JP2003330908A - Information processing equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To monitor a deviation of an RTC itself in a client device based on a standard time in the client device. A standard time generation device (32) for generating a standard time, and a year information generation unit (1) in a processing unit (3).
When an access to 1) occurs, a comparison circuit (41) that compares the standard time fetched from the standard time generation device (32) with the year and date and time information generated by the year and date and time information generation unit (11). And the year / date information generation unit (1) of the processing unit based on the result of the comparison by the comparison circuit (41).
And a gate circuit (44, 45) for setting an access result to 1) and notifying the processing unit.

Description

Description of the Related Art [Technical Field to which the Invention pertains] Means for Solving the Problems to be Solved by the Prior Art [Description of the First Embodiment] (FIG. 1) -Fig. 4)-Description of a first modification of the first embodiment (Fig. 5)-Description of a second modification of the first embodiment (Figs. 6-9)-Description of a second embodiment (Figs. 10-10) (FIG. 12)-Description of Modification of Second Embodiment (FIG. 13)-Description of Third Embodiment (FIGS. 14 to 17)-Description of Modification of Third Embodiment (FIG. 18)-Fourth Embodiment (FIGS. 19 to 29) ・ Description of Fifth Embodiment (FIGS. 30 to 35) ・ Effects of the Invention
Information suitable for use when performing various information processing
It relates to a processing device. 2. Description of the Related Art Conventionally, in information processing apparatuses,
We will carry the information processing by holding the year information along with the time information
But can be used in multiple information processing devices
File data is managed collectively, and the file is
Information processing systems that share data
, The year information is managed only by the lower two digits
There are many things. That is, for the upper two digits of the year information,
Unchanged until the year 2000, so the last two digits
By reducing the redundancy of information by managing only
Swelling. In other words, there is the information processing device described above.
Or the information processing system, the lower two digits of the year information
To save data to a file or
To execute the application process,
Of the resource utilization of both hardware and software
We are trying to be more efficient. [0004] However, the Christian era
As we approach 2000, the two-digit yearly tube
The difference between 1900 and 2000
Has proved impossible, and
Measures that consider both hardware and software are required
Have been. That is, the year information of only the lower two digits is rearranged.
Hardware specification that automatically counts with real time clock
In the above, the upper two digits are CMOS (data is
Only by putting "19" in the buffer where the data remains)
Equipment does not exceed 2000 years
At this point, you can have accurate AD information,
When the year 2000 is reached, the year information in the device is 190
It is 0 years, and the distinction between 2000 and 1900
There is a problem of disappearing. Thus, for example, information on 2005
Is registered as information of 1905.
In this case, if you try to search for 2005 information
Can't search.
When deleting a file using calendar information as a key
Even, the key is only the lower two digits or incorrect year information
Files that you don't want to delete
And the file to be deleted cannot be deleted.
Live. [0007] In other words, the user can use the date from the data itself.
It is difficult to determine if the information is incorrect.
Even if you use it normally without any problems, it has become 2000
In that case, the file with the year information as the key was gone
Cannot find the file you want to search.
That would happen. Also hard
In the case of taking care of software specifications by software
However, it is difficult to respond to all models,
In some cases, a response is taken. [0008] In order to solve the problems as described above,
Now you can issue warnings or modify software
However, when it comes to fixing the software,
Installed on the hardware that makes up the data system.
All software needs to be modified
There are also issues. In addition, information processing system network
As the number of clients increases, server devices become more
In an information processing system that accommodates devices,
As a data management method, one place (server side)
From data management methods that centrally manage data,
Data management method that manages data in distributed
It is becoming the center, but each client device is
If the reference time of the place where the
RTC (Real Time Clock)
There is also a need to respond to the time generated. That is, in each client device,
Standard deviation of RTC in client device
It is necessary to be able to monitor based on time.
It is important. The present invention has been made in view of such problems.
The deviation of the RTC itself in the client device
Monitoring based on standard time in the client device
To provide an information processing device capable of
The purpose is to: [0010] Therefore, the information of the present invention
The processor uses the latest year and date information based on the internal clock.
And a date and time information generation unit
The current date and time information
Retrieves the current year / date information and performs the desired information processing
In an information processing device equipped with a
A standard time generator that generates time intervals, and
When access to the information generator occurs, the standard time
Standard time and date and time information
Comparison times to compare the year and date information generated by Narita
And the processing unit based on the result of the comparison by the comparison circuit.
Set the access result to the year / date / time information generation unit
It is configured with a gate circuit that notifies the processing unit.
It is characterized by. BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment of the present invention will now be described. (A) Description of First Embodiment FIG. 2 shows an information processing apparatus according to the first embodiment of the present invention.
FIG. 1 is a block diagram illustrating an information processing system used.
The information processing system shown in FIG.
Server device 1 and a plurality of client devices 2
No, to function as a client-server system
It has become. Here, each client device 2 has a hardware
In terms of hardware, a CP that performs command control of information and arithmetic processing
U (Central Processing Unit) 3, used by CPU3
Main storage unit 4 for storing data, program information, etc.
I / O device 5 as external interface for data
And a disk device 6 as an external storage device
Have been. Note that the server 1 described above also
The configuration is basically the same as that of the client device 2. Further, each client device 2 communicates with each client.
File used for information processing in the client device 2.
Attached to (or constitute the data in the file)
Solving the so-called year 2000 problem with AD information
The function is shown in FIG.
As shown, the memory unit 7, the file access control unit 8,
The application processing unit 9 and the restoration processing unit 10
It is composed. The above-described file access control unit 8 and
The function as the application processing unit 9 is, for example,
The command information and the like stored in the main storage device 4 are used by the CPU 3.
This is achieved by performing
Disk medium (hard disk), CD-ROM or
Program recorded on a recording medium such as a kibble disk
Is loaded on the main storage device 4 and executed by the CPU 3.
The file access control unit 8 and the application
Function as the application processing unit 9 can be realized.
You. Here, the memory unit 7 is a client device.
File format used when performing information processing within 2
And mainly stores the main memory described above.
This is realized by the device 4 and the disk device 6.
Note that this file contains, for example,
Date and time information (4-digit year information, date information and time information)
It is included. The application processing unit 9 stores a memo
Along with the file data stored in the
Lower two digits of the year information (the year information of the first digit)
Using the year information (year information of the second digit)
This is to carry out the solution processing. In addition, file
The access control unit 8 receives a request from the application processing unit 9.
Upon request, file format data for the memory unit 7
Functions as a driver for writing / reading data
In particular, focusing on the function of the present invention,
Unit 8a and a read-out Christian information output unit 8b.
Have been. Here, the judging unit 8a determines whether the application
The year in the file stored in the memory unit 7 from the processing unit 9
Request to read information (for example, year / date information in file
Information read request or file registration date
Request to read the year and date information)
The year information in the file in the memory unit 7 is a predetermined
Whether the date indicates the year after the Christian era (for example, the year 2000)
It is to determine whether or not. The read year information output unit 8b is provided with a determination unit.
8a, the read-requested year information is year 2
If it is determined that the date is after 000 years,
Interrupt factor information (application
Interruption processing occurs during processing in the application processing unit 9
Year information that has
Therefore, in detail, the first read processing unit 8b-1 and the first storage
It is configured with a processing unit 8b-2. That is, the first read processing unit 8b-1
Year information requested to be read from the application processing unit 9
The report was determined to indicate the year 2000 or later
In this case, the lower digit of the four-digit year information in the file
Two-digit year information includes interrupt factor information (for example, 2000
With a flag “1” indicating that the year has passed, and
To the application processing unit 9 as outgoing year information
Output. Further, the first storage processing section 8b-2 is configured to
At least the top 2 that make up the 4-digit year information in the file
Request to read the year (for example, the upper two digits)
The specified data is linked to the received file format data.
This is stored in the storage area. For example, this first case
The payment processing unit 8b-2 has the upper two digits of the year 2000 and later.
The constant "20" as the year information is stored in the first reading process described above.
Corresponding to the interrupt factor information added in section 8b-1
Registered in a predetermined area such as CMOS (not shown) together with the flag
In addition, the west of the upper two digits before the year 2000
A place such as a CMOS which does not show the constant "19" as calendar information
It can be registered in a fixed area. Note that the first read processing unit 8b-1 described above
The year information requested to be read out by the determination unit 8a is the year 20
If it is determined that the date is before 2000,
The lower two digits of the four-digit year information in the file
Information as it is and read it as application information.
Output to the application processing unit 9. Also,
Data is sent from the application processing unit 9 to the memory unit 7.
When performing data write processing, file access
Through the control of the control unit 8, the client device
RTC (Real Time) configured by registers and the like in
Clock) and the four-digit year and time information from
They are recorded in a file. Further, the restoration processing unit 10
Read by application processing by the application processing unit 9
The file format data in the memory unit 7
If the generated AC information includes interrupt factor information,
In this case, it is restored to 4-digit year information by interrupt processing.
Things. Specifically, in the application processing unit 9
When comparing the year information through the process of
The first read described above is added to the year information in the read file.
The interrupt generation factor information added by the processing unit 8b-1 is included.
If it is, the interruption processing as the restoration processing unit 10 is performed.
Occurs, and this interrupt processing converts the four-digit year information
It can be restored. That is,
The application processing unit 9 converts the year information into only the last two digits.
Even in the case of management, the 1900s
And the 2000s. The first embodiment of the present invention having the above configuration.
Operation is referred to the flowcharts of FIGS. 3 and 4.
This will be described below. First, according to the first embodiment
Perform client server system startup operation
In each client device 2, various programs are executed as described above.
Is expanded in the main storage unit 4 as shown in FIG.
Transition. At this time, the 1900s AD and 2000 AD
Of memory such as CMOS used to distinguish between
The predetermined area has been cleared (step A1 in FIG. 3). In each client device 2, initialization is performed.
Once this is done, launch the desired application (scan
Step A2). This allows each client device
In the device 2, the application processing unit 9 is in the operating state.
It becomes. Here, processing by the application processing unit 9
, The year of the file stored in the memory unit 7
Reading of date information (of the file to the memory unit 7)
(Read request) (step A3), the
The file access control unit 8 as a server becomes active.
You. That is, the file access control unit 8
In the setting unit 8a, the file stored in the memory unit 7 is stored.
As a result of reading the date and date information of
If it is determined to indicate the following, the first storage
In the processing unit 8b-2, a flag (for example,
"1") is a predetermined region (not shown) such as CMOS (not shown).
(Step A31). It should be noted that the above-mentioned flag "1" is at least
If the file is supported, the same file
May have additional information as a
You may have. Further, the first read processing unit 8b-1
Is above the lower two digits that make up the four-digit year of the file
1 bit is set (indicating that it is after 2000 AD)
Flag “1”), and read the date as year information
It is output together with the time information (steps A31 and A32). The first read processing unit 8b-1 described above
Indicates that the year information requested to be read by the determination unit 8a is the year
If it is determined that the date indicates before 2000
Is the west of the last two digits of the four-digit year information in the file
The calendar information is read as it is and the date and time information is
Output to the application processing unit 9 (step
A32). Also, if the year information is 2000 or later,
Of the upper one bit added to the read
The flag is updated by the application processing unit 9 described later.
Trigger that causes interrupt processing during application processing
Information. In the application processing unit 9,
Reads the year and date information of the file as if
The lower two digits of the year information read by the instruction
Is converted to numerical data together with date and time information (step of FIG. 4).
A4). In the above-described application processing unit 9,
When converting the year / date information to numerical data,
If the 2-digit year information is flagged,
Operation, and the flag is read.
A flag indicating that the year's AD information is after the year 2000
Then, it is determined whether or not it is a service (step A41). here
The flag attached to the lower two digits of the year information is read out.
Indicates that the year information is after the year 2000
If the data is not converted,
Application processing unit 9
And return from the interrupt (step A41).
Step A42) from the YES route, the lower two digits of the year
The flag attached to the report indicates that the read AC information is AD 2
If it does not indicate that it is
-Process and return from interrupt process (step
Step A43 from the NO route of A41). The year / date information is converted into numerical data.
Then, the subsequent processing by the application processing unit 9 is performed.
The conversion result (the year information with the flag attached
Is the normal conversion result.)
All the year information is compared with multiple year information (data
(Step A5). here
Then, the ratio of the Christian era information by the application processing unit 9
When performing the comparison process, the year information to be compared
If the date information is attached, the processing is performed by the restoration processing unit 1
The processing shifts to the interrupt processing as 0. That is, the flag attached to the year information is
The year information read from the file is from the year 2000
If it indicates that it is descending (step A51)
YES route), a plurality of year information
Take it out (step A52), and add
The upper two digits of the year information from the identification mark on the CMOS
To generate four-digit year information (step A5).
3). Specifically, 20 years are included in the extracted year information.
If a flag indicating that it is 2000 or later is attached
Together with the lower two digits of year data excluding the flag
From the identification mark on the CMOS corresponding to the flag,
Retrieve the two-digit year information "20" and obtain the four-digit year information
Generate information. In addition, 2000 years are included in the extracted year information.
If there is no flag indicating that it is after the year
Converts the constant "19", which is the upper two digits of the year, to CMO
Extract from specified area such as S to generate 4-digit year information
I do. As a result, the restoration processing unit 10
4-digit year information from upper 2 digit and lower 2 digit year information
Through a flagged readout west
Calendar information can be restored to 4-digit year information.
You. As mentioned above, the year information to be compared is four-digit year information
When restoring, the comparison process is performed again and the correct value and
Return the lag and the comparison result to the application processing unit 9
After clearing the identification flag, interrupt
And the process returns to the application processing unit 9 (step
A54, A55). Note that the west by the application processing unit 9
Flag attached to the year information that was the subject of calendar comparison processing
But read that the AD information is after the year 2000
If not, an error handling interrupt occurs
Interrupt processing returns (step A51).
Step A56 from the NO route). Also, the application
The year that was subjected to the comparison process of the year by the processing unit 9
If any of the information is before the year 2000
Is the read lower two digits of the year information is the 1900s
Since it can be identified as
Further, comparison processing can be performed. Thereafter, in the application processing unit 9,
The application processing result such as the comparison result of the year information,
Printing is performed as necessary (step A6). in this way,
According to the first embodiment of the present invention, file access control
Unit 8 and the restoration processing unit 10,
Year information in the file or attached to the file is managed with 4 digits
And two-digit year information for application processing
In the case of processing, the application processing unit 9
Performs application processing using the lower two digits of the year.
While distinguishing between the year 2000 and 1900
Application software
Do not change the lower two digits of the software.
It can be used as it is even after 2000 years
There are advantages. (A1) Description of a First Modification of the First Embodiment In the above-described first embodiment, four digits in a file are used.
Of the year is read by the application processing unit 9
The lower two digits of the year information in the application processor 9
1900 AD and 2 CE when performing comparison processing, etc.
Details of the structure for distinguishing between the 000s
However, the two-digit year information in the file
Read from the memory unit 7A and the application processing unit 9A
When performing comparison processing etc. as 4-digit year information in
As shown in FIG. 5, a client device as an information processing device
By constructing the device 2, the 1900s AD
The distinction of the 000's can be made. FIG. 5 shows a first embodiment of the present invention.
FIG. 2 is a block diagram showing a client device according to a first modification.
And the client device 2A shown in FIG.
Also, the memory unit 7A, the file access control unit 8A and
With an application processing unit 9A, RT
It is configured with C11. Here, RTC11
Is to generate the latest Christian information inside the device,
Functions as a year information generator. Also, the memory unit 7A
Stores data in file format.
When writing data to the memory unit 7A in file format
Are the same as those in the first embodiment (see reference numeral 7).
Unlike RTC11, it contains only two-digit year information
It is designed to remember. Further, the application processing unit 9A
Along with the data stored in the memory unit 7A, a four-digit
Application processing using the year information
is there. In addition, the file access control unit 8A
Receiving a request from the memory processing unit 9A,
For writing / reading file format data to / from
The judgment unit 8c and the writing Christian information output
A part 8d is provided. Here, the judging unit 8c determines whether the application
A 4-digit year generated by the RTC 11 from the processing unit 9A
Information writing request (writing of file to memory unit 7A)
Request), the 4-digit year information is the year
To judge whether it indicates 2000 or later
It is. Further, the writing-year information output unit 8d includes the determination unit 8
c, this four-digit year information is from 2000 AD
Is determined to indicate an interrupt occurrence factor information.
Generates year information with information and writes it as year information
The first write processing unit 8d-1 and the
3 storage processing section 8d-2. That is, the first write processing unit 8d-1
Of the lower two digits of the four-digit year information of
As the same interrupt occurrence factor information as in the first embodiment,
Flag (for example, “1”)
It is output as information. Also, a third storage processing unit
8d-2 is at least the top 2
Digit (for example, the upper two digits)
Graphically linked to requested file format data
Not stored in a predetermined storage area (identification mark) such as CMOS
It is something to keep. With such a configuration, the client shown in FIG.
In the ant device 2A, the application processing unit 9
In the file access control unit 8A receiving the request from A
Constitutes four-digit year information generated by RTC11.
Data containing the lower two digits of year information
And writes it in the memory section 7A. Here, file access
In the determination unit 8c of the control unit 8A, the four digits from the RTC 11
Whether the year information of the year indicates the year 2000 or later
The four-digit year information is from the year 2000
Is determined, the first writing process is performed.
In part 8d-1, the lower two digits of the four-digit year information
Flag as the interrupt occurrence factor information
Then, this is written and output as Christian information, and the memory unit 7
A is written. Note that the application processing unit 9A
The file written in the memory unit 7A as described above
Is read, the file access control unit 8A
The two-digit number in the file in the memory unit 7A.
The year information is read as it is and output as year information.
That is, the two-digit year information in the file is flagged.
If so, the flagged year information is
To the processing unit 9. After that, the application processing unit 9A sends
For example, the year information is the year information after the year 2000.
If you read from the file,
Since the interrupt factor information of the first
As in the case of the embodiment, the interruption processing in the restoration processing unit 10
To extract lower two digits of year information excluding flags
In the third storage processing unit 8d-2 corresponding to this flag,
Extracts the upper two digits of the year information stored in the
Calendar information can be restored. As described above, in the first modification of the first embodiment,
According to this, the file access control unit 8A and the restoration processing unit
Year 10 in the file or attached to the file
Information is managed in two digits and application processing
When processing the year information with four digits, the application
The processing unit 9A stores the lower two digits of the file
For the year information, the year 2000 and 1900 are separated.
Process can be performed separately
Without changing the application software
It can be used as it is even after 2000 years
There is a point. The client device shown in FIG.
In 2A, the third storage processing unit 8d-2 outputs a memo.
During the file writing process to the
The year information is written in CMOS etc.
As in the first embodiment, the year is between 2000 and 2099
If only files of the period are targeted, they will be flagged
If so, set the upper two digits of the year information uniquely to "20"
Can be used for each year in the file to be written.
It is no longer necessary to write the upper two digits of the year
To omit the function as the third storage processing unit 8d-2.
be able to. That is, in this case, the file
The year information after 2000 is stored as the year information in the memory
When writing to the unit 7A, the first write processing unit 8d-1
Lower 2 flagged as interrupt factor information
While the year information of the digit is used as the writing year information,
The storing of the year information of the digits in the CMOS or the like is omitted. This
The year information in the file written
At the time, a flag as interrupt occurrence factor information is included in the year information.
If so, the flag is stored in a CMOS or the like.
Keep it. The flag stored in the CMOS or the like can be used.
By the interruption processing by the restoration processing unit 10 at the subsequent stage,
Uniquely extract the upper two digits of the year information "20"
You can. Therefore, the client device shown in FIG.
According to 2A, the file access control unit 8A and the restoration
The processing unit 10 appends the contents to the file or to the file.
Application that manages the year information in two digits
When processing the year information of the process with 4 digits, the application
In the application processing unit 9A, the lower
Year 2000 and 1900 for two-digit year information
Processing can be performed while distinguishing between
Change the installed application software
No, it can be used as it is even after 2000 years
There are advantages. (A2) Description of the Second Modification of the First Embodiment In the first embodiment of the present invention, the application
The year information requested to be read from the option processing unit 9 is the year 2
If it is determined to indicate the year 000 or later,
The 1-read processing unit 8b-1 flags the lower two digits of the year information.
Output to the application processing unit 9 with "1"
In the first storage processing unit 8b-2, the upper two digits of the year information
To the file format data requested to be read
Are stored in a predetermined storage area in association with each other.
You. On the other hand, in a second modification of the first embodiment,
In such a client device, the application
The year information requested to be read from the processing unit 9 is 200 AD
If it is determined that the value indicates year 0 or later, the first reading
The output processing unit 8b-1 flags the upper two digits of the year information.
"1" is added to the output to the application processing unit 9, and the
The 1 storage processing unit 8b-2 stores the lower two digits of the year information in the upper part.
Link to file format data requested to read / write
Can be stored in a predetermined storage area
Are different from those in the first embodiment described above.
different. Specifically, the first storage processing unit 8b-2
The four-digit year information in the above file
Flagged high-order two-digit year information and at least
The lower two digits (for example, lower two digits) of the year information is stored in, for example, FIG.
Or, as shown in FIG.
Link to the calendar information (the file requested to be read)
A predetermined storage area 20 such as a CMOS.
A, 20B. Specifically, the first storage processing unit 8b-2
File registration date and time information attached to the file
At the time of reading, for example, as shown in FIG.
Construct 4-digit year information in file registration date and time information
The lower two digits of information are stored in a predetermined storage area 20 such as a CMOS.
In A, the upper two digits of the year information and the POI corresponding to the file name
To link (associate) and store
Has become. Further, the first storage processing unit 8b-2
When reading the date and time information that constitutes the data in the file,
For example, as shown in Fig. 7, each year data in the file is composed
Is stored in a predetermined storage area 2 such as a CMOS.
0B, linked with upper two digits of year information by pointer
(Association) and store them. to this
In the application processing unit 9, the year information
When comparing the two digits of the year information
Interrupt processing occurs as restoration processing unit 10 due to lag
Then, this interrupt processing restores the 4-digit year information.
Can be used. That is, in this case
In the application processing unit 9, the
1900's and 2
We can distinguish it from the 000's. In this case, the information processing device
The operation of the client device 2 will be described with reference to FIGS.
This will be described below using a flowchart. First, Claire
Start the client server system and set up each client device.
At 2, initialization is performed. For example, each client
In device 2, the year 1900 and the year 2000
Of memory such as CMOS used to distinguish between
The predetermined area is cleared (step A11 in FIG. 8). In each client device 2, initialization is performed.
Once this is done, launch the desired application (scan
Step A12). This allows each client
In the device 2, the application processing unit 9 operates.
State. Here, the processing by the application processing unit 9 is performed.
Of the file stored in the memory unit 7
Read calendar / date information (file for memory unit 7)
(A request to read out) (step A13),
The file access control unit 8 as a driver
Become. That is, the file access control unit 8
In the setting unit 8a, the file stored in the memory unit 7 is stored.
As a result of reading the date and date information of
If it is determined to indicate the following, the first storage
In the processing unit 8b-2, a flag (for example,
"1") is a predetermined region (not shown) such as CMOS (not shown).
(Step A131). Further, in the first read processing section 8b-1, the file is read.
1 digit of the upper 2 digits that make up the 4-digit year information of the file
(With a flag indicating that it is after the year 2000)
(Attached to “1”), and read date and time information as year information
(Steps A131 and A132). What
In the above-described first read processing unit 8b-1, the determination unit 8a
The year information requested to be read is less than the year 2000
If it is determined to indicate the previous,
The upper two digits of the four-digit year information "19"
It is read as it is and the date and time information
Output to the application processing unit 9 (step A1).
32). Also, if the year information is 2000 or later,
Of the upper one bit added to the read
The flag is set by the application processing unit 9 in the subsequent stage.
Trigger for interrupt processing during application processing
Information. In the application processing unit 9,
Reads the year and date information of the file as if
The upper two digits of the year information read by the command
Is converted into numerical data (step A14 in FIG. 9). In the above-described application processing section 9,
When converting the year / date information to numerical data,
If the 2-digit year information is flagged,
Cause the flag to be
The year information of the read file is 20 instead of the information.
It is determined whether or not it indicates 2000 or later (step A
141). Here, the file attached to the upper two digits of the year information is
The lag is that the read Christian information is 2000 or later
If the data is not
While returning to the application processing unit 9 and returning from the interrupt
(From the YES route of step A141 to step A14
2) The flag attached to the upper two digits of the year information is read
File that indicates that the entered Christian information is after the year 2000
If there is no lag, perform error processing and interrupt processing.
(From the NO route in step A141)
Step A143). The year / date information is converted into numerical data.
Then, the subsequent processing by the application processing unit 9 is performed.
The conversion result (the year information with the flag attached
Is the normal conversion result.)
All the year information is compared with multiple year information (data
(Step A15). here
Then, the ratio of the Christian era information by the application processing unit 9
When performing the comparison process, the year information to be compared is flagged.
If the processing has been performed, the processing is performed by the restoration processing unit 10.
Move to all interrupt processing. That is, the flag attached to the year information is
The year information read from the file is from the year 2000
If it indicates that it is descending (step A15
1 YES route), multiple sets of year information related to comparison
(Step A152), and each
The upper two digits of the year from the identification mark on the CMOS
Extract information and generate 4-digit year information (step
A153). Specifically, 20 years are included in the extracted year information.
If a flag indicating that it is 2000 or later is attached
Together with the upper two digits of year data excluding the flag
From the identification mark on the CMOS corresponding to the flag,
Extracts the 2-digit year information and generates 4-digit year information
I do. In addition, in the extracted Christian information,
If the flag indicating that there is no flag, the lower 2
Retrieve digit year data from specified area such as CMOS
To extract four-digit year information. As a result, the restoration processing unit 10
4-digit year information from lower 2 digit and upper 2 digit year information
Through a flagged readout west
Calendar information can be restored to 4-digit year information.
You. As mentioned above, the year information to be compared is four-digit year information
Is restored, the comparison process is performed again and the correct value and
Return the lag and the comparison result to the application processing unit 9
After clearing the identification flag, interrupt
And the process returns to the application processing unit 9 (step
A154, A155). The west by the application processing unit 9
Flag attached to the year information that was the subject of calendar comparison processing
But read that the AD information is after the year 2000
If not, an error handling interrupt occurs
After that, the interrupt processing returns (step A151).
From the NO route of step A156). Also, application
Subject to the comparison process of the Christian era by the application processing unit 9
If the year information is before 2000 AD
In this case, the read lower two-digit year information is 1900
Since it can be specified as the year information of the age,
The comparison process can be performed as it is. Thereafter, the application processing unit 9
The application processing result such as the comparison result of the year information,
Printing is performed as needed (step A16). like this
In the second modification of the first embodiment of the present invention,
In the same manner as in the first embodiment described above,
The year information attached to the file is managed in four digits and
When processing the year information for application in two digits
In the application processing unit 9, the lower two digits of the year
While performing application processing using information,
Calendar 2000 and 1900 can be distinguished.
In application software used since then
2000 without changing the lower two digits of data
There is an advantage that it can be used as it is even if it exceeds. It should be noted that the second modification of the first embodiment described above is different from the first embodiment.
On the other hand, the 2-digit year information in the file is stored in the memory unit 7A.
And 4 digits in the application processing unit 9A.
When performing comparison processing etc. as the year information of
Client as information processing device according to first embodiment
If the device 2 is configured, the 1900s AD and the 200
The 0s can be distinguished. (B) Description of Second Embodiment FIG. 10 shows an information processing apparatus according to a second embodiment of the present invention.
FIG. 11 is a block diagram showing the information processing apparatus shown in FIG.
Is the same as that in the first embodiment described above.
As a client device of the information processing system (see FIG. 2)
The hardware of the information processing device 12
The client configuration according to the first embodiment is also
This is the same as the ant device 2 (see FIG. 3). Now, the information processing apparatus according to the second embodiment
Also for file 12, the file used for information processing
The so-called year 2000 problem with attached Christian information
The first embodiment has a function to solve the problem.
Memory section 7 and application processing as in the case of
Unit 9, but the file access control unit 18
Client apparatus 2 according to the first embodiment described above
And different. That is, in the memory section 7, the aforementioned
Information including 4-digit year information as in the first embodiment.
Stores data for processing in a file format
The processing unit 9 stores the data stored in the memory unit 7.
The lower two digits of the four-digit year information contained in the data
Started to process applications using information
I have. The file access control unit 18
Upon receiving a request from the application processing unit 9, the memory unit
Read / write of file format data to / from
It functions as a driver that performs processing.
Focusing on the functions of the present invention, the first embodiment described above
A determination unit 8a similar to that in the case
The information output unit 18b is provided. The read Christian information output section 18b is provided with a judgment section 8a.
In the above, the year information requested to be read is 200
If it is determined to indicate 0 years or later, so
Year with interrupt factor information as identification information to indicate
Information is generated and read out to the memory unit 7 as year information.
The first conversion unit 18b-1 and the second reading process.
Processor 18b-2 and the second storage processor 18b-3.
It is composed. Here, the first conversion unit 18b-1
File received a read request from the application processing unit 9
The year information in (or attached to the file) is the year 20
If the date indicates the year 2000 or later,
The upper two digits of the four-digit year information are interrupted
Raw factor information (for processing in the application processing unit 9)
Information that may cause an interrupt to occur at the time)
Is converted to More specifically, the first converter 18b-1
In the calendar year 2000, the upper two digits of the year information is "A0",
In the year 2100, it is "A1", and in the year 3000,
As "B0", the highest digit "A", "B", etc.
Generate upper two digits of year information including raw factor information
It has become. Further, the second read processing unit 18b-2
1 reads the year information converted by the conversion unit 18b-1
Year information that constitutes the requested file format data
Output to the application processing unit 9 as information.
It is. Further, the second storage processing unit 18b-3
The four-digit year information in the file
For example, the lower two digits (for example, lower two digits)
As shown in FIG. 6 or FIG.
Associated with the requested year information (reception
(Corresponding to the digitized file), a predetermined description such as CMOS
It is stored in the storage areas 20A and 20B. Specifically, the second storage processing section 18b-3
Is the file registration date and time information (A.D.
At the same time, for example, as shown in FIG. 6,
The 4-digit year information in this file registration date and time information
The lower two digits of information to be formed are stored in a predetermined storage area such as a CMOS.
20A, with the upper two digits of the year information corresponding to the file name
It is linked and stored by pointer.
You. Further, the second storage processing unit 18b-3
When reading the date and time information that constitutes the data in the file,
For example, as shown in FIG.
The lower two digits of information that composes the data
In the storage area 20B, the upper two digits of the year information by the pointer
Linked (associated) and stored
You. The above-mentioned second read processing unit 18b-2
Indicates that the year information requested to be read by the determination unit 8a is the year
If it is determined that the date indicates before 2000
Is the west of the last two digits of the four-digit year information in the file
Calendar information is read out as is,
Output to the processing unit 9. Toko
In addition, from the application processing unit 9 to the memory unit 7
When writing data with
Through the control of the access control unit 18,
RTC configured by a register or the like in the client device 2
The four-digit year and time information together with the above data
Record in the file. Further, the restoration processing unit 10
As in the case of the embodiment, the application processing unit 9
File format data in the memory unit 7
Year information that constitutes the data contains interrupt factor information
If there is, restore to 4-digit year information by interrupt processing
Things. Specifically, the application processing unit 9
When comparing year information, etc., through processing within
In the read file, the interrupt factor
If the information is included, the restoration processing unit 10
Interrupt processing occurs, and this interrupt processing causes four digits
Of the year can be restored.
That is, the application processing unit 9 converts the year information into
Even if only the last two digits are managed,
A distinction is made between the 1900s and the 2000s. The second embodiment of the present invention having the above configuration
The operation of FIG.
This will be described below with reference to FIG. First, the second embodiment
Perform the startup operation of the client-server system
In the information processing device 12 as a client device,
Various programs are developed in the main storage unit 4 as described above.
To the program operation state. At this time, 19
Used to distinguish between the 00s and the 2000s
Clear a predetermined area of memory such as CMOS
(Step B1 in FIG. 11). In the information processing apparatus 12, initialization is performed.
The desired application starts up (step
B2), the application processing unit 9 is in the operating state.
You. Here, the processing by the application processing unit 9 is performed.
And date of the file stored in the memory unit 7
Reading of attached information (reading of file to memory unit 7)
Is issued (step B3), the driver and
The file access control unit 18 is put into an operating state. Here, the file access control unit 18 determines
In the setting unit 8a, the file stored in the memory unit 7 is stored.
As a result of reading the date and date information of
If it is determined to indicate the following, the first conversion
In the unit 18b-1, the four-digit year information in the file is
The upper two digits of the year information, including the interrupt factor information
The second read processing unit 18b-2 converts the
The read year information is read as application information
To the processing unit 9. More specifically, the first conversion unit 18b-1
In the calendar year 2000, the upper two digits of the year information is "A0",
In the year 2100, it is "A1", and in the year 3000,
As "B0", the highest digit "A", "B", etc.
The upper two digits of the year information including the raw factor information is generated. This
Interruption factor information such as
Interrupt processing during application processing by the processing unit 9
This is trigger information that causes processing. In this case, the second storage processing unit 18b
-3 configures the 4-digit year information in the above file.
Year information of at least the lower two digits (for example, the lower two digits)
Is linked to the year information that received the read request
Stored in predetermined storage areas 20A and 20B such as CMOS
(Steps B31 and B32). Note that the above-described second reading process
In the processing unit 18b-2, a read request is issued by the determination unit 8a.
Year is determined to be before the year 2000
The lower digit of the four-digit year information in the file
Read the 2-digit year information as it is and read the date and time as the year information
Output to the application processing unit 9 together with the information
(Step B32). In the application processing unit 9,
Reads the year and date information of the file as if
Then, the instruction reads the two-digit year information read
It is converted into value data (step B4 in FIG. 12). Sand
That is, the two-digit year information to be converted contains interrupt factor information
If it is included, an interrupt operation is performed and the
The year information of the file from which the
It is determined whether or not it indicates that it is after the calendar year 2000.
(Step B41). Here, the interrupt source included in the two-digit year information is
If the raw factor information is not just textual information,
Indicates that the found year information is after the year 2000
If this is the case, the
Year information as it is normally sent to the application processing unit 9
While returning from the interrupt (Y in step B41)
Step B42 from ES route) Included in 2-digit year information
The interrupt factor information to be read
If it does not indicate that it is calendar year 2000 or later,
Perform error processing and return from interrupt processing (step
Step B43 from the NO route of step B41). The year / date information is converted to numerical data.
And the subsequent processing by the application processing unit 9
The year information as the conversion result is
Performs comparison processing between year information (data)
B5). Here, the application processing unit 9
When comparing the year information, the year information
If the information includes interrupt factor information,
The processing shifts to an interruption processing as the restoration processing unit 10. That is, the restoration processing unit 10
Is generated from the file.
Indicates that the year information is after the year 2000
(YES route of step B51),
Retrieve a plurality of Christian era information (step B5)
2) A predetermined area on the CMOS for each year information
Referring to the identification marks in the areas 20A and 20B,
And the lower two digits of the year information are extracted to produce four digits of the year information.
(Step B53). More specifically, the extracted
Interruption factor indicating that the date is 2000 or later in the year information
If information is included, the original upper two digits of the year information
And predetermined regions 20A, 2A on the CMOS.
The corresponding lower two-digit year information is extracted from 0B, and 4
Generates year information in digits. Also, take out
Issued to indicate that the year is after 2000
If raw factor information is not included,
Is the lower two digits of the west of the year 2000
Calendar information, along with the year information, such as CMOS
4-digit west using the constant “19” extracted from the constant area
Extract calendar information. As a result, the restoration processing unit 10
4-digit year information from upper 2 digit and lower 2 digit year information
Through the generation of interrupt factor information
It is possible to restore the read Christian information to 4-digit calendar information.
I can come. Four digits of the year information to be compared as described above
Is restored, the comparison process is performed again,
The new value, flag, and comparison result
Return to 9 and clear the identification flag before interrupt
The process returns, and the process returns to the application processing unit 9
(Steps B54 and B55). The west by the application processing unit 9
Issuance of an interrupt included in the year information that has been subjected to calendar comparison processing
The raw factor information is read out, and the Christian era is read after the year 2000
If it does not indicate that the
Return to the original application processing after interrupt
(From the NO route of step B51 to step B5)
6). Further, the west by the application processing unit 9
The year information that was the subject of the calendar comparison process is the year
If it is older than 2000, read
The lower two digits of the year information is the year information of the 1900s.
The comparison process is performed as it is.
Can be. Then, the application processing unit 9
Now, the application processing results such as the comparison result
The result is printed as needed (step B6). As described above, according to the second embodiment of the present invention.
For example, the file access control unit 18 and the restoration processing unit 10
Year information attached to or in the file by
Is managed in 4 digits and the year of application processing
When processing information with two digits, the application
The processing unit 9 uses the lower two digits of the year information to execute the application.
2000 and 1900 AD
Can be distinguished from the
Change the lower two digits of data in the application software
Use it as it is, even after 2000 years
There are advantages that can be. According to the second embodiment of the present invention,
2100 after 2000 or upper 2 digits after that
Even if the year changes, the interrupt is issued for each year
It can be recognized with 2-digit information including raw factor information
In addition to the distinction between the year 2000 and 1900,
A distinction can also be made for the year 2100 and later. (B1) Description of Modification of Second Embodiment In the above-described second embodiment, four digits in a file are used.
Of the year is read by the application processing unit 9
In the application processing unit 9, the lower two digits of the year information
1900s in the Christian era when performing comparison processing etc.
Details on the structure for distinguishing the 2000s
In contrast, the two-digit year information in the file
Information from the memory unit 7A, and
The processing unit 9A performs comparison processing and the like as 4-digit year information
In such a case, the information processing apparatus is configured as shown in FIG.
As a result, the districts of the 1900s and the 2000s
You can do another. FIG. 13 shows a second embodiment of the present invention.
Information processing device as a client device according to a modification of
FIG. 14 is a block diagram showing an arrangement, and the information processing shown in FIG.
The device 12A includes a memory unit 7A, a file access control unit
18A and application processing unit 9A
Both are configured with an RTC 11. here
The information processing apparatus 12A shown in FIG.
5, the file access control unit 18A
Only the differences are the same for other configurations.
is there. 13, the same reference numerals as those in FIG. 5 denote the same parts.
Minutes are shown. The file access control unit 18A
After receiving a request from the application processing unit 9A,
Writing / reading of file format data to / from the storage unit 7A
A judging unit 8c and a writing year
An information output unit 18d is provided. Here, the determination unit 8c
Is the same as in the client device 2A shown in FIG.
Similarly to the above, the application processing unit 9A sends the RTC1
Request to write the four-digit year information generated in step 1 (file
File write request to the memory section 7A)
The four-digit year information indicates the year 2000 or later.
It is determined whether or not it is. Further, the writing Christian information output unit 18d outputs
In the setting unit 8c, the four-digit
Judgment that the year information indicates the year 2000 or later
If this happens, the year information with interrupt factor information is generated.
And output it as written year information.
3 conversion unit 18d-1, second writing processing unit 18d-2,
It is configured to include a fourth storage processing unit 8d-2. Here, the third conversion unit 18d-1 performs the above-described processing.
The four-digit year information that received the write request is year 2000
If it indicates the following, assign the upper two digits of the year information.
Incident factor information (a code indicating that the date is after 2000 AD)
Is converted into information including the second information.
The processing unit 18d-2 is converted by the third conversion unit 18d-1.
The calendar information is written in the memory unit 7A. Further, the fourth storage processing unit 18d-3 is
At least the following that constitutes the Christian information after 2000
The two-digit year information is converted to the year information requested to be written.
Link (to the file that was the target of the write request
Link), to a predetermined storage area such as CMOS, etc.
For example, they are stored in the same manner as in FIG. 6 or FIG. With such a configuration, the cluster shown in FIG.
In the client device 12A, application processing
File access control unit 18 receiving a request from the unit 9A
In A, the 4-digit year information generated by the RTC 11 is composed.
Write the data containing the lower two digits of the year
The data is written into the memory unit 7A as the data. Here, the file
In the determination unit 8c of the access control unit 18A, the RTC 11
The 4-digit year information indicates the year 2000 or later.
Is determined. Further, the writing year information output unit 18
In the third conversion unit 18d-1 of d, the determination unit 8c outputs a 4-digit
Judgment that the year information indicates the year 2000 or later
If this is done, the upper two digits of the year are added to the interrupt factor information.
Information, and write the converted year information in the second writing
The data is written into the memory unit 7A by the processing unit 18d-2. Further, in the fourth storage processing unit 18d-3,
At least the year 2000 information above
The year information that received the write request for the last two digits of the year information
And stored in a predetermined storage area such as a CMOS.
Keep it. Then, the application processing unit 9A
The file written in the memory unit 7A as described above
Is read, the file access control unit 18A
Is the year in the file in the memory unit 7A.
The information is read out as it is and output as the year information. Further, the application processing unit 9A
And the year information contains the year information after 2000.
When reading from the file,
Since the interrupt factor information is included, the above-described second implementation is performed.
As in the case of the embodiment, the interruption processing as the restoration processing unit 10
Convert and extract the lower two digits of the year
Is stored in the CMOS in association with a file.
And extract the upper two digits of the year
Can be restored. Therefore, also in this case,
As in the first modification of the first embodiment, the file access
The control unit 18A and the restoration processing unit 10
Or that the year information attached to the file is managed with two digits
Process the year information of application processing with 4 digits
In some cases, the application processing unit 9A
The lower two digits of the year information written in the
Process while distinguishing between 000 and 1900
And application software used in the past
Without changing the wear, even after 2000 years
There is an advantage that it can be used as it is. (C) Description of Third Embodiment FIG. 14 shows an information processing apparatus according to a third embodiment of the present invention.
FIG. 15 is a block diagram showing the information processing apparatus shown in FIG.
22 is the same as that in the first embodiment.
Client device of the information processing system (see FIG. 2)
The information processing device 22 has a hardware
The hardware configuration according to the first embodiment is also used for the hardware configuration.
It is basically the same as the client device 2 (see FIG. 3). An information processing apparatus according to the third embodiment
22 is also included in the file used for information processing.
The so-called year 2000 problem with attached Christian information
The first embodiment has a function to solve the problem.
Memory section 7 and application processing as in the case of
Unit 9, but the file access control unit 28
Client whose configuration is according to the first and second embodiments described above.
It is different from the device 2 and the information processing device 12. That is, the memory unit 7 stores the first and second
As in the case of the second embodiment, the information processing including the 4-digit year information is performed.
Data in a file format,
The data processing unit 9 stores the data stored in the memory unit 7.
Of the lower two digits of the four-digit year information included in
Is used to perform application processing.
You. Further, the file access control unit 28
Upon receiving a request from the application processing unit 9, the memory unit
Read / write of file format data to / from
It functions as a driver that performs processing.
Focusing on the functions of the present invention, the first embodiment described above
A determination unit 8a similar to that in the case
The information output unit 28b is provided. The read Christian information output section 28b is provided with a judgment section 8a.
In the above, the year information requested to be read is 200
If it is determined to indicate 0 years or later, so
Year with interrupt factor information as identification information to indicate
Information is generated and read out to the memory unit 7 as year information.
The second conversion unit 28b-1 and the third reading unit
The output processing unit 28b-2 is provided. Here, the second conversion unit 28b-1
File received a read request from the application processing unit 9
The four-digit year information within the two-digit information including interrupt factor information
It is converted into information. Specifically, as shown in FIG.
In the year 2000, two-digit year information is hexadecimal
Notation "F0", hexadecimal for 2009 AD
Notation "F9", in the case of the year 2010, two digits
"E0" in hexadecimal notation, and similarly in the year 2060
In the case of the year, it is "A0" in two-digit hexadecimal notation,
In the case of 2069, "A9" in hexadecimal notation
Interrupt factor information such as “F” to “A” in the most significant digit
(Character information other than "0" to "9")
The year information is generated. Further, the third reading processing unit 28b-2
2 Read the year information converted by the conversion unit 28b-1
Year information that constitutes the requested file format data
Output to the application processing unit 9 as information.
It is. By the way, the application processing unit 9
When writing data to the memory unit 7
Can be controlled by the file access control unit 28.
Is configured by a register or the like in the client device 2.
The 4-digit year and time information from the generated RTC is
The data is recorded in a file together with the data. Further, the restoration processing unit 10 performs the first
As in the case of the embodiment, the application processing unit 9
File format data in the memory unit 7
The year information that constitutes the data contains interrupt factor information.
If so, interrupt processing converts the 4-digit year information to
It is to restore. Specifically, the application
The comparison of the Christian era information was performed through the processing in the control section 9.
When an interrupt occurs in the calendar information in the read file
If factor information is included, the restoration processing unit 10
Interrupt processing occurs, and this interrupt processing
Can be restored to 4-digit year information
You. In other words, the application processing unit 9
Even if you only manage the last two digits of a report,
Distinguish between the 1900s and the 2000s
You. The third embodiment of the present invention having the above configuration
16 and FIG.
This will be described below with reference to FIG. First, the second embodiment
Perform the startup operation of the client-server system
In the information processing device 22 as a client device,
Various programs are developed in the main storage unit 4 as described above.
To the program operation state. At this time, 19
Used to distinguish between the 00s and the 2000s
Clear a predetermined area of memory such as CMOS
(Step C1 in FIG. 16). In the information processing device 22, initialization is performed.
The desired application starts up (step
C2), the application processing unit 9 is in the operating state.
You. Here, the processing by the application processing unit 9 is performed.
And date of the file stored in the memory unit 7
Reading of attached information (reading of file to memory unit 7)
Is issued (step C3), the driver
The file access control unit 28 becomes active. Here, the file access control unit 28
In the setting unit 8a, the file stored in the memory unit 7 is stored.
As a result of reading the date and date information of
If it is determined to indicate the following, read the year
In the second conversion unit 28b-1 of the information output unit 28b, the application
File received a read request from the application processing unit 9
The four-digit year information within the two-digit information including interrupt factor information
Information (hexadecimal notation). Third read processing unit 28b-
In application 2, this conversion result is read out as
Output to the application processing unit 9 (step C3).
2). In the application processing unit 9,
Reads the year and date information of the file as if
Then, the instruction reads the two-digit year information read
It is converted into value data (step C4 in FIG. 12). Sand
That is, the two-digit year information to be converted contains interrupt factor information
If it is included, an interrupt operation is performed and the
The year information of the file from which the
Determines if it is after calendar 2000
(Step C41). Here, the interrupt source included in the two-digit year information is
The raw factor information is read and the year is 2000
If it indicates that it is later, it is not converted
Is returned to the application processing unit 9 normally and
While returning from the stack (YES in step C41).
From step C42) to the two-digit year information
The read factor information is 200 AD.
If it does not indicate that it is after 0 years, error processing
To return from the interrupt processing (step C41).
From the NO route of step C43). The year / date information is converted into numerical data
And the subsequent processing by the application processing unit 9
The year information as the conversion result is
Performs comparison processing between year information (data)
C5). Here, the interrupt factor
If the information is included, the processing is performed by the restoration processing unit 10
The processing shifts to interrupt processing. That is, the restoration processing unit 10
Is generated from the file.
Indicates that the year information is after the year 2000
(YES route of step C51),
Retrieve a plurality of Christian eras as the elephant (step C5
2) The original 4-digit year information for each year information
The information is converted and restored (step C53). More specifically, the extracted
Interruption factor indicating that the date is 2000 or later in the year information
If information is included, this interrupt factor information
2-digit year information is converted to the original 4-digit year information
And 2000 in the year information extracted as a comparison object.
Does not include interrupt factor information indicating that
In this case, the year information is the year information before 2000
Is the lower two digits of the year, and the lower two digits of the year
From the information to the original 4-digit year information
it can. As a result, the restoration processing unit 10
4-digit year information from upper 2 digit and lower 2 digit year information
By generating interrupt factor information
It is possible to restore the read Christian information to 4-digit calendar information.
I can come. Four digits of the year information to be compared as described above
Is restored, the comparison process is performed again,
The new value, flag, and comparison result
Return to 9 and clear the identification flag before interrupt
The process returns, and the process returns to the application processing unit 9
(Steps C54 and C55). The west by the application processing unit 9
Issuance of an interrupt included in the year information that has been subjected to calendar comparison processing
The raw factor information is read out, and the Christian era is read after the year 2000
If it does not indicate that the
Interrupt processing returns after the interrupt occurs (step
Step C56 from the NO route of step C51). Also,
The subject of the comparison process of the Christian era by the application processing unit 9
All of the Christian information that came before the year 2000
In some cases, the read lower two digits of the year information is 19
Can be identified as the year information of the 00s
Thus, the comparison process can be performed as it is. Thereafter, in the application processing section 9,
The application processing result such as the comparison result of the year information,
Printing is performed as needed (step C6). in this way,
According to the third embodiment of the present invention, file access control
Unit 28 and the restoration processing unit 10,
The year information in the file or attached to the file is managed in four digits.
2 digits of the year information for application processing
In the case of processing by the application processing unit 9
In the application processing using the lower two digits of the year information
And distinguish between the year 2000 and 1900
Can be used for traditionally used applications
Changing the lower two digits of data in software
No, it can be used as it is even after 2000 years
There are advantages. (C1) Description of Modification of Third Embodiment In the above third embodiment, the file access control
The part 28 reads the four-digit year information in the file.
And the lower 2 digits of the year
When performing comparison processing as information, the 1900s
Information processing device for distinguishing between the year 2000 and the Christian era
The structure of the file was described in detail.
The two-digit year information read from the memory unit 7A
The application processing unit 9A compares the four-digit year
When performing comparison processing, etc., as shown in FIG.
By constructing a logical device, the 1900s
A distinction can be made for the 2000s. FIG. 18 shows a third embodiment of the present invention.
Information processing device as a client device according to a modification of
FIG. 19 is a block diagram showing a configuration of the information processing apparatus shown in FIG.
The device 22A includes a memory unit 7A, a file access control unit
With 28A and application processing unit 9A
Both are configured with RTC (Real Time Clock) 11
(The RTC 11 is shown in FIG.
Are not shown). The information processing device 2 shown in FIG.
2A is a fan compared to those shown in FIGS. 5 and 13 described above.
Only the file access control unit 28A is different.
Is basically the same. Note that, in FIG.
5, the same reference numerals as those in FIG. 13 indicate the same parts.
In addition, the file access control unit 28A
Receiving a request from the memory processing unit 9A,
Write / read data in file format
The determination unit 8c and the writing Christian information output unit 2
8d. Here, the judgment unit 8c operates as shown in FIG.
As with the client device 2A, the application
4 digit generated by RTC11 from the application processing unit 9A
Request to write the year information (to the memory part 7A of the file)
), The 4-digit year information
Determines if is a year 2000 or later
Things. Further, the writing Christian information output unit 28d outputs
In the setting unit 8c, the four-digit
Judgment that the year information indicates the year 2000 or later
If this happens, the year information with interrupt factor information is generated.
And output it as written year information.
4 conversion unit 28d-1 and third writing processing unit 28d-2
It is configured with it. Here, the fourth conversion unit 28d-1 performs the above-described processing.
The four-digit year information that received the write request is used as the identification information.
Converts to two-digit information including all interrupt factor information
And the third write processing unit 28d-2
Write the year information converted in d-1 to the memory unit 7A
It is a thing. With such a configuration, the clip shown in FIG.
File access control unit 28A of client device 22A
Then, the writing of the year information from the application processing unit 9A
4 digits generated by RTC11
Year information in two digits (including interrupt factor information)
), And uses this as write data in the memory unit 7.
Write to A. Here, the file access control unit 28A
In the determining unit 8c, the four-digit year information from the RTC 11 is
It is determined whether or not the date indicates the year 2000 or later.
Further, the fourth conversion unit 28d of the writing Christian information output unit 28d
In the case of -1, the 4-digit year information is set to 200 AD by the judging unit 8c.
If it is determined that the value indicates the year 0 or later,
4-digit year information, 2-digit information including interrupt factor information
And converts the converted Christian information into the third writing processing unit 28d.
The data is written to the memory unit 7A at -2. Thereafter, the application processing unit 9A sends
And the file written in the memory unit 7A as described above.
When reading the file, the file access control unit 28A
, The west of the file in the memory unit 7A
The calendar information is read out as it is and output as the Christian calendar information. A
In the application processing unit 9A, the year information is
Importing the year 2000 information from a file
However, the year information includes the interrupt factor information described above.
Is included, so that it is the same as that of the third embodiment described above.
The original 4 digits by the interrupt processing as the restoration processing unit 10
Can be converted and restored. Therefore, also in this case,
As in the modification of the first and second embodiments, the file access
The file control unit 8A and the restoration processing unit 10
Or if you manage the year information attached to the file with two digits
Both process the year information of application processing with 4 digits
The application processing unit 9A
For the lower two digits of the year information written in the file,
Process while distinguishing between 2000 and 1900
Application software
Without changing the software, even after 2000
There is an advantage that it can be used as it is. (D) Description of Fourth Embodiment FIG. 19 shows an information processing system according to a fourth embodiment of the present invention.
Block showing client server system as system
The information processing system shown in FIG.
As in the first embodiment, the server device 1 and the server device 1
A plurality of accommodated client devices (information processing devices) 2
B and the server 1
Below, reference time notification device 31 and standard time generation device
It has 32. The server device 1 and the client
Both the monitoring device 2B and the monitoring device 31
In terms of hardware, CPU, main storage device and disk device
6 etc.
Can be done. Here, according to the fourth embodiment.
In the information processing system 30, the client device 2B
(Or file attached to the file used for
Composing the data in the file)
Information processing device to solve the year 2000 problem
The point of having all the functions in the first embodiment described above.
Is the same as the one in the client device 2B.
To monitor the time lag of the RTC 11 itself.
The point that the mechanism is provided is the same as that of the first embodiment described above.
Different from. Here, the reference time notification device 31 is set to the standard time.
Year / date serving as the reference time generated by the interval generation device 32
The time information is imported, and the year and date
Information, the year and date information generation unit of each client device 2B
Of year and date information generated by RTC11
Information for monitoring and automatically correcting
To the client device 2B, and functionally
The RTC correction information storage unit 31a and the monitoring unit 31b are
It is structured. The RTC correction information storage section 31a stores
Year and date generated by RTC11 of client device 2B
Stores information for correcting time information in a table configuration
Generated by the RTC 11 of each client device 2B
Information when an error occurs in the year and date information
Functions as a pre-stored abnormality occurrence timing storage
Is what you do. The RTC correction information storage section 31a
In detail, as shown in FIG.
For each 2B number (machine No.), the year 2000 problem correction information
Report 31a-1, leap year problem correction information 31a-2, date correction
Necessity information 31a-3, date correction information 31a-4, time supplement
Correctness necessity information 31a-5 and time correction information 31a-6
It is to be remembered. Here, the year 2000 problem correction information 31a-
1 is the year and date information generated by the above-mentioned RTC 11
Make a distinction between the 2000s and 1900s
As shown later, the last two digits of the year
To the client device 2B having the RTC 11
Is stored in the RTC correction information storage section 31a.
When the received year 2000 problem correction information 31a-1 is received, R
2000s about the year and date information from TC11
And the 1900s.
ing. The leap year problem correction information 31a-2 is
Year and date information generated by RTC11
To compensate for the shift due to leap years.
No, it does not correspond to leap years.
The client device 2B having the RTC 11)
Is stored in the RTC correction information storage unit 31a.
When receiving the leap year correction information 31a-2, the RTC 11 sets the leap year.
It can be corrected in accordance with. Furthermore, the date correction necessity information 31a-3 is
Specific of RTC 11 itself in each client device 2B
Due to the nature of the date information (for example,
Date information that should be corrected by eye))
The date correction information 31a-
4 performs date correction based on the date correction necessity information 31a-3.
It indicates a time interval (period) to be performed. The time correction necessity information 31a-5 is
The reliability of the RTC 11 itself in the client device 2B
It is necessary to correct the time information in a certain cycle
It is for identifying whether or not there is
31a-6 is time supplemented by the time correction necessity information 31a-5.
It indicates the time interval at which the correction should be performed. Monitoring unit 31
b indicates the state of the RTC 11 in each client device 2B.
Monitors the contents of the above-mentioned RTC correction information storage unit 31a.
Based on each client device 2B
Of year and date information generated by RTC 11
Information for the purpose. It should be noted that the standard time generation device 32 has hardware
In terms of hardware, use a circuit board or card type circuit, etc.
And an unillustrated extension in the client device 2B.
It works by installing it in a slot, card slot, etc.
Swelling. By the way, the client device 2B
As in the case of the first embodiment described above, the file
(Or make up the data in the file)
To solve the so-called Y2K problem
And monitoring of the reference time notification device 31 described above.
Based on the notification information from the unit 31b, the own RTC 11
Has a correction function of correcting In other words, each of the classes according to the fourth embodiment.
Also in the client device 2B, the first embodiment described above is used.
(See reference numeral 7 in FIG. 1)
-10), but focus on the above-mentioned correction function
Then, as shown in FIG. 19, the patrol monitor 2B-1
And OS / monitor 2B-2
You. Here, the patrol monitor 2B-1 is
Exchange information with the reference time notification device 31
And perform the function of this patrol monitor.
The program for realizing is to drive the client device 2B.
After performing the initial settings,
(Steps E1 and E in FIG. 25)
2). This patrol monitor 2B-1 is
Client apparatus 2B performs information processing according to the fourth embodiment
When connected to the network as a system, OS /
The monitor 2B-2 is started (see FIG. 26).
Step E3). Also, the OS / monitor 2B-2 is
Notification information input via patrol monitor 2B-1
The RTC 11 is corrected based on the
Stored in the RTC correction information storage unit 31a of the device 31.
Patrol the RTC correction information about your own device.
Update or delete via the monitor 2B-1.
You. Note that each client device 2B
If they are located at different times,
In the OS / monitor 2B-2 of the client device 2B, the standard
Notification information from the time notification device 31 (standard time generation device 3
Standard time from 2) and the location where your device is located
Generated by RTC11 considering the time difference from the standard time
The date and time information
I have. In other words, each client device 2B
The reference time notified from the reference time notification device 31 is
Configured to correspond to the reference time of the country where the equipment is located
Have been. In addition, when the client device 2B is arranged,
And the standard time generated by the standard time generator 32
Regarding the time difference from the standard time, the RTC correction information storage unit 3
It is also possible to collectively hold at 1a
Then, the notification information from the monitoring unit 31b is transmitted to each client.
Time difference due to the location of the remote device 2B.
You. The fourth embodiment of the present invention having the above configuration
The operation of the information processing system according to FIG.
This will be described below with reference to the flowchart shown in FIG. sand
That is, in the monitoring unit 31b of the reference time notification device 31,
Contents stored in the RTC correction information storage unit 31a
To monitor the status of the RTC 11 of each client device 2B
In the previous stage of performing
Of RTC correction information for each client device 2B
Initial settings such as registration of the C correction information storage unit 31a are performed.
(Step D1 in FIG. 21). That is, as shown in FIG.
Request from the client device 2B to the server device 1.
The RTC 11 in the client device 2B
RTC correction information to be used when correcting
If not stored in the primary information storage unit 31a (step
(NO route of D11), the client device 2B
Of the RTC 11 from the patrol monitor 2B-1
Receive notification of problem information causing the cause (step D1)
2). [0149] In other words, the client device 2B
Notify the time of the year / time correction function (patrol function)
When registering in the device 31a, use the OS / monitor 2B-2.
Is sent to the monitoring unit 31b of the reference time notification device 31.
Correct the RTC 11 in the client device 2B
The information for RTC correction to be used at the time of patrol monitor 2
B-1 (step F1 in FIG. 27, FIG.
8 Step F11). At this time, the data generated by its own RTC 11
When the monitoring unit 31b is notified of
In the viewing unit 31b, the mark generated by the standard time generation device 32 is used.
The difference from the quasi-time is calculated, and this difference is referred to as the date correction information 3 described above.
Register as 1a-4 or time correction information 31a-6
Can be In this way, the RTC correction information storage
The client connected to the server device 1
For RTC correction on RTC 11 in remote device 2B
When the information is registered, the monitoring unit 31b displays the RTC correction information.
Based on the RTC correction information stored in the report storage unit 31a.
Monitor the RTC 11 of each client device 2B (FIG. 2)
Step D2). That is, as shown in FIG.
1b is in the driving state (NO in step D21)
Route), the monitoring unit 31b uses the standard time generation device 32
These standard times are stored in the RTC correction information storage unit 31a.
Based on what is currently being addressed (RT
An error occurs in the year and date information generated in C11
Is expected) client device 2B is selected and selected.
Patrol monitor 2B of selected client device 2B
Information for correcting the year and date information for -1
Notify (step D22). Notification information (problem information) from monitoring unit 31b
OS / monitor 2B-2 of client device 2B that received
Then, as shown in FIG. 27, the patrol monitor 2B-1
(Step F)
3) If the RTC 11 is to be corrected, make the correction and
If only a notification is made, a warning is displayed (step F).
4). In the OS / monitor 2B-2, the monitoring unit
31b between the patrol monitor 2B-1
Overhead required for information exchange (monitoring unit 31b
Information sent by the monitoring unit 31b
Received by the patrol monitor 2B-1 from the
/ Compensation with monitor 2B-2
) Is calculated beforehand, and the subsequent communication from the monitoring unit 31b is performed.
When correcting the RTC 11 based on the knowledge information,
(Step F5, Step F5)
F6). The client device that has received the notification information
2B is the standard time generated by the standard time generation device 32
Placed in a place (country) where time elapses with a different standard time
In the case of OS / monitor 2B-2,
Notification information from the interval notification device 31 (the standard time generation device 32
Standard time from) and the location of your equipment
Generated by the RTC 11 in consideration of the time difference from the quasi-time
Correct the year and date information. As a result, in the monitoring unit 31b, RT
RTC stored in the C correction information storage unit 31a
If an error occurs in the year and date information generated in step 11,
West generated by the RTC 11 based on the imaging information
Monitors the calendar / date / time information for abnormalities and sends it to the OS / monitor 2B-2.
This abnormality can be corrected more (step F
7). That is, use of each client device 2B
The user performs the time adjustment by the RTC 11 every time the user moves.
Time is no longer necessary, and the time
Even if you use files without being aware of
Also the contents stored in the RTC correction information storage unit 31a.
Since the RTC11 abnormality due to is not generated,
Minimize control errors related to the year and time
You. After that, as shown in FIG.
From the client device 2B connected to the server 1
When there is a request, the client device 2B
RTC correction information to be used when correcting the RTC 11
Is stored in the RTC correction information storage unit 31a
(YES route in step D13),
The regular information is deleted (step D14). In other words, the connection to the server 1
That there is a connection release request from the client device 2B
Communication from the OS / monitor 2B-2 to the monitoring unit 31b
The information stored in the RTC correction information storage unit 31a
RTC correction information in the client device 2B
Open and not shown in the client device 2B.
Patrol monitor 2B-1 resident in
Release the function (step F2 in FIG. 27, step F2 in FIG. 29).
See F21 and F22). As described above, according to the fourth embodiment of the present invention,
Also in the information processing system described in the above embodiments.
In addition to the same advantages as those described above, the reference time notification device 3
1. Generated at RTC11 of client device 2B
Period that occurs in the year and date information that is expected to be
To the client device 2B of a temporary abnormality
So that the so-called year 2000 problem and leap
In addition to the year problem, correction of daylight saving time and winter time by country and state
Also the hardware specifications of the device and the version of the software.
In addition to being able to respond without being aware of
Clients frequently move between locations with different standard times
In the case where the client device 2B is used,
Time control in each country)
There are advantages that can be done. The RTC 11 of the client device 2B
Have a mechanism to automatically correct the time skew
Operates a time-aware system that is accurate (precise)
Data that can be used, and thus, accurately
Contributes to processing and data compensation, and
File destruction or the like can be prevented. The standard
The time notification device 31 is generated by the standard time generation device 32.
Time to be notified as one unified time
If the client device 2B is used,
Time is not conscious,
Time difference must be considered when moving to the set place
And the convenience for the operator can be achieved. Further, the reference time notification device 31 is
Network, so it can be
To each client device 2B
Depending on where the device 2B is located,
To build a remote monitoring system for RTC11
it can. (E) Fifth Embodiment FIG. 30 shows an information processing apparatus according to a fifth embodiment of the present invention.
Client server applied as a client device
FIG. 31 is a block diagram showing a system.
Also, as in the above-described embodiments, the server device
Server 1 and a plurality of servers 1
Client device 2C. Here, the client device 2C operates as described above.
Unlike in each embodiment, each client device
The time lag of RTC 11 itself in 2C
Monitoring based on the standard time in the ant device 2C
It has a mechanism for That is, in the fifth embodiment
The client device 2C is the same as the first embodiment described above.
Hardware, CPU3, main
In addition to having a storage device (not shown),
Paying attention to the function of Ming Ming, as shown in FIG.
In addition, an RTC 11 and a comparison / correction circuit 40 are provided.
On the other hand, the standard time generation connected to the comparison / correction circuit 40
It comprises a device 32. Note that the above-described standard time generation device 32 and
The comparison / correction circuit 40 is, in terms of hardware, a circuit board.
Card or a card-type circuit.
Expansion slot, card slot (not shown) in
It is designed to operate by being attached to a lot or the like. here
The RTC 11 then updates the latest year / date information with the internal clock.
Function as a calendar and date / time information generator that generates based on
The CPU 3 accesses the RTC 11.
By extracting the current year and date and time information,
Information processing (for example, as shown in the first to third embodiments)
Processing unit for performing file write / read processing)
It works. Furthermore, the standard time generation device 32
Connected to the outside of the client device 2C,
Generates the standard time of the place (country) where 2C is located
The comparison / correction circuit 40 is generated by the RTC 11.
Monitor year and date information
The configuration shown in FIG. Here, FIG.
The comparison / correction circuit 40 shown in FIG.
A positive circuit 42, a setting register 43, a partial gate circuit 44,
45 and a register 46. Here, the comparison circuit 41 is connected to the RTC 11.
When an access occurs, the standard time generation device 32
Standard time information taken in and generated by RTC11
Year and date and time information (including day of the week information, etc.)
It is. Also, the automatic correction circuit 42
From the RTC 11
The information as the access result of the standard time generation device 32
Output after correcting based on the standard time.
Based on the value from the constant register 43,
A gate instruction is issued to 44 and 45. Further, the setting register 43 stores the above comparison
To set the state of the circuit 41 and the automatic correction circuit 42
And the value set in this setting register 43
The comparison object in the comparison circuit 41 is based on
Appropriately selected date (day of the week) or time
You can do it. Furthermore, the latter part
The state of the minute gate circuits 44 and 45 is determined via the automatic correction circuit 42.
The output value to CPU 3 (access
As a result, the corrected year and date information or alarm
Report information.
You. The partial gate circuit 44 and the comparison circuit 41
The connection state / disconnection state with the transistor 46 is changed to
The port circuit 45 connects the automatic correction circuit 42 and the register 46 with each other.
The connection status / disconnection status between these components is variable.
Gate circuits 44 and 45 are provided with gates from automatic correction circuit 42.
Receiving the instruction, the comparison circuit 41 and the automatic correction circuit 4 described above.
2 changes the connection state / disconnection state of the register 46 with respect to
It has become. For example, when the partial gate circuit 44 is connected,
If the minute gate circuit 45 is disconnected, the comparison circuit 41
Is output to the register 46 at the subsequent stage, and the partial game
The gate circuit 44 is disconnected and the partial gate circuit 45 is connected.
If there is, the correction result from the automatic correction circuit 42 is
The data is output to the star 46. Register 46
Is the partial gate circuit 44 or the partial gate circuit 45
The year / date information is set via
The set AD / date information is sent to CPU3.
Can be read directly. In other words, the partial gate circuit 44 is connected
State, if the partial gate circuit 45 is disconnected, the CPU 3
Is a result of access to the RTC 11
If 1 is normal, the value is read from the register 46 as it is.
If the RTC11 is abnormal, compare
The alarm information generated by the circuit 41 is read from the register 46.
Can be found. Similarly, the partial gate circuit 44 is turned off,
If the minute gate circuit 45 is in the connected state, the CPU 3
As a result of the access to the RTC 11, the RTC 11
If normal, the same value is read from the register 46
On the other hand, if RTC11 is abnormal, automatic correction
Reads the information corrected by the circuit 42 from the register 46
Can be Therefore, the above-described automatic correction circuit 42,
Register 43, partial gate circuits 44 and 45, and register
Star 46 based on the result of the comparison by the comparing circuit 41.
And sets the access result of the CPU 3 to the RTC 11.
Function as a gate circuit to notify the CPU 3
are doing. With the above configuration, in the fifth embodiment of the present invention,
Is the RTC in the CPU 3 of the client device 2C.
11 (access to RTC 11)
Occurs), the comparison circuit 4 of the comparison / correction circuit 40
1, the year and date information from RTC11
The standard time from the synthesizer 32 is compared. As a result of comparison in comparison circuit 41, RTC
When the year and date information from 11 is abnormal
Is the west automatically corrected according to the setting of the setting register 43.
Calendar / date information or the year / date information from RTC11
Alert information indicating that an error has occurred in the
The access result is set in the register 46 and sent to the CPU 3.
Notice. As described above, according to the fifth embodiment of the present invention.
For example, the comparison / correction circuit 40 allows simple hardware
Due to the addition, when the RTC 11 is accessed by the CPU 3
Standard time while showing that RTC11 is used
Access time information corrected to the exact time based on the time
As the result can be output, RTC11
Automatically when an error occurs in the generated AC / date information
AD, date and time accurately through making corrections
Can operate a system that is aware of In particular, positive
Perform data processing and data compensation using accurate time.
To prevent file destruction due to time.
You can also. In the fifth embodiment described above, each
RTC11 error in client device 2C
Is monitored in the client device 2C.
A mechanism for hardware is provided by a hardware circuit (reference numerals 32 and 4).
0), but is not limited to this.
The trap monitor resident in the memory and the fourth embodiment described above.
The patrol monitor is the same as in
It can also be realized through a complex process. Also in this case, the fifth embodiment described above.
The date and date information generated by RTC11 is the same as
That automatic correction should be performed when an error
System that accurately considers the year, date and time
Can be operated. In particular, data using accurate time
Data processing and data compensation, and save time.
Can also prevent file destruction or the like. For example, the client device 2D shown in FIG.
OS / app for normal data processing
A trap monitor 52 together with the application processing unit 51.
In addition, the OS / application processing unit 51 executes RTC1
When access is made to the first time, the standard time generator 32
Set accurate time to RTC11 based on their standard time
You can also. Here, the trap monitor 52 is configured as shown in FIG.
As shown in (a), the standard time generation device 32
When installed in a card slot or the like of the
G1) stored in the standard time generation device 32
Program data for operating the trap monitor 52
Is written to the main memory (monitor environment setting; step
G2). This program data is stored in a standard time generator
32 will be resident and operate while it is mounted.
(Step G3). Also, the trap monitor 52 is always stored in the main memory.
As shown in FIG. 33B, the OS /
RTC1 as a timer when application processing unit 51 is used
1 (step H1), the OS /
The application processing unit 51 is trapped and an interrupt is
Occurs (step H2), and from the standard time generator 32
The exact time is set in RTC11 based on the standard time of
(Step H3). Note that this trap monitor 52 is
As shown in (c), the standard time generation device 32 is
When the memory card is removed from the memory slot (step J1), the main memory
It is released from the unit (step J2).
The trap monitor 52 is provided with an input / output device (not shown).
Register specified by the data read command
Generates a trap at the time of accessing
Return read data after setting exact time to 1
Can also be configured. In this case a fixed interval
To start the trap monitor, and the trap monitor
While checking whether or not the
A trap may be generated by a command. Further, as shown in FIG.
The function of the server device according to the embodiment is
The client device 2E has the client device 2E.
The abnormality (time lag) of RTC11 in E
It can be monitored in the client device 2E. You
That is, the client device 2E shown in FIG.
OS / application for normal data processing
Patrol monitor 53 and problems with processing unit 51
With storage area 54, patrol monitor 53
Based on the information stored in the problem storage area 54
Generated by the RTC 11 of the client device 2E
Calendar / date information is corrected. Here, the problem storage area 54 has a client
Year / date and time generated by the RTC 11 of the ant device 2E
Timing information when an error occurs in the information and the error
Information on the amount of correction for correction is stored in advance.
For example, an abnormality occurs in the RTC 11
The aspect includes the RTC1 as in the case of the above-described fourth embodiment.
1 Due to own clock error or 2000 years
Title, leap year problem, etc. As a result, the patrol monitor 53
R based on the information stored in the problem storage area 54
Monitor TC11 and the current time is abnormal in the year / date information
When the timing (time point) at which
The value of the RTC 11 is changed based on the correction amount for correcting the
Can be corrected. Specifically, as shown in FIG.
The patroller that has been set to the initial state and has been activated
In the monitor 53 (step K1), the problem storage area 5
4 is read (step K2),
The time information generated by the RTC 11 itself becomes abnormal.
When the expected time is reached, the state of this RTC11 abnormality
The problematic information is extracted according to the conditions (step K
3). For example, in the patrol monitor 53, the year
・ Dates from December 31, 1999 to January 1, 2000
If the date changes, it is stored in the problem storage area 54
Read information about the Year 2000 problem
Correct the abnormalities of the year information generated at 11
Yes (step K4). In addition, the RTC 11
When the time information needs to be corrected due to the difference compensation
In the patrol monitor 53, the problem storage area 54
Reads the information stored in the
The time information to be generated can also be corrected (step K
5). Further, for example, at the turn of the month,
If an error occurs in the date information, use the patrol monitor
Information stored in the problem storage area 54 in 53
Is read, and the date information from the RTC 11 where the abnormality has occurred is read.
The information can be corrected normally (step K6). (F) Others In each of the above embodiments, the server device and the server device
With multiple client devices housed in
Client device in client server system
Apply the function of the present invention, but it is not limited to this.
The server according to the above-described embodiments does not
It may have the functions of a client device and
On a single computer that does not constitute a remote server system
The present invention can also be applied to the present invention. As described in detail above, according to the present invention,
By the comparison circuit and the gate circuit,
When accessing the date and time information generation unit,
It is based on standard time while
Time information corrected to the exact time
The date and time information generation unit
If an error occurs in the year and date information generated by
Through the automatic correction, the year, date and
Operate a time-aware system. Special
Data processing and data compensation using accurate time
To prevent file destruction due to time.
You can also stop it.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a client device as an information processing device according to a first embodiment of the present invention. FIG. 2 is a block diagram illustrating an information processing system to which the information processing apparatus according to the first embodiment of the present invention is applied. FIG. 3 is a flowchart for explaining the operation of the first embodiment of the present invention. FIG. 4 is a flowchart for explaining the operation of the first embodiment of the present invention. FIG. 5 is a block diagram showing a client device according to a first modification of the first embodiment of the present invention. FIG. 6 is a diagram showing a storage area for storing upper two digits of year information and lower two digits of year information in a second modification of the first embodiment of the present invention. FIG. 7 is a diagram showing a storage area for storing upper two digits of year information and lower two digits of year information in a second modified example of the first embodiment of the present invention. FIG. 8 is a flowchart illustrating an operation of a client device as an information processing device according to a second modification of the first embodiment of the present invention. FIG. 9 is a flowchart illustrating an operation of a client device as an information processing device according to a second modification of the first embodiment of the present invention. FIG. 10 is a block diagram illustrating an information processing apparatus according to a second embodiment of the present invention. FIG. 11 is a flowchart for explaining the operation of the second embodiment of the present invention. FIG. 12 is a flowchart for explaining the operation of the second embodiment of the present invention. FIG. 13 is a block diagram showing an information processing device as a client device according to a modification of the second embodiment of the present invention. FIG. 14 is a block diagram illustrating an information processing apparatus according to a third embodiment of the present invention. FIG. 15 is a diagram showing a conversion example in which four-digit year information is converted into two-digit information including interrupt occurrence factor information in the third embodiment of the present invention. FIG. 16 is a flowchart for explaining the operation of the third embodiment of the present invention. FIG. 17 is a flowchart for explaining the operation of the third embodiment of the present invention. FIG. 18 is a block diagram showing an information processing device as a client device according to a modification of the third embodiment of the present invention. FIG. 19 is a block diagram showing a client server system as an information processing system according to a fourth embodiment of the present invention. FIG. 20 is a diagram illustrating an RTC correction information storage unit according to a fourth embodiment of the present invention. FIG. 21 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 22 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 23 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 24 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 25 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 26 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 27 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 28 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 29 is a flowchart illustrating an operation of the information processing system according to the fourth embodiment of the present invention. FIG. 30 is a block diagram showing a client-server system to which the information processing device according to the fifth embodiment of the present invention is applied as a client device. FIG. 31 is a block diagram illustrating a main part of an information processing apparatus according to a fifth embodiment of the present invention. FIG. 32 is a block diagram showing a client device as an information processing device according to a modification of the fifth embodiment of the present invention. FIGS. 33A to 33C are flowcharts illustrating the operation of a client device as an information processing device according to a modification of the fifth embodiment of the present invention. FIG. 34 is a block diagram showing a client device as an information processing device according to a modification of the fifth embodiment of the present invention. FIG. 35 is a flowchart illustrating an operation of a client device as an information processing device according to a modification of the fifth embodiment of the present invention. [Description of Signs] 1 server device 2, 2A to 2E, 12, 12A, 22, 22A client device (information processing device) 2B-1 patrol monitor 2B-2 OS / monitor 3 CPU 4 main storage unit 5 input / output device 6 Disk unit 7, 7A Memory unit 8, 8A, 18, 18A, 28, 28A File access control unit 8a, 8c Judgment unit 8b, 18b Reading Christian information output unit 8b-1 First reading processing unit 8b-2 First storage processing Unit 8d-1 first write processing unit 8d-2 third storage processing unit 9, 9A application processing unit 10 restoration processing unit 11 RTC 18b-1 first conversion unit 18b-2 second read processing unit 18b-3 second Storage processing unit 18d-1 Third conversion unit 18d-2 Second writing processing unit 18d-3 Fourth storage processing units 20A and 20B Storage area 28b-1 Second conversion unit 28b-2 Third reading Processing unit 28d-1 Fourth conversion unit 28d-2 Third writing processing unit 31 Reference time notification device 31a RTC correction information storage unit 31a-1 Year 2000 problem correction information 31a-2 Leap year problem correction information 31a-3 Date correction Necessity information 31a-4 Date correction information 31a-5 Time correction necessity information 31a-6 Time correction information 31b Monitoring unit 32 Standard time generator 40 Comparison / correction circuit 41 Comparison circuit 42 Automatic correction circuit 43 Setting registers 44, 45 Gate circuit 46 Register 51 OS / application processing unit 52 Trap monitor 53 Patrol monitor 54 Problem storage area

Claims (1)

Claims: 1. A year / date / time information generation unit for generating the latest year / date / time information based on an internal clock, and accessing the year / date / time information generation unit by accessing the year / date / time information generation unit. An information processing apparatus including a processing unit that extracts date and time information and performs desired information processing; a standard time generation device that generates a standard time; and when the processing unit accesses the year information generation unit, The standard time fetched from the standard time generation device and the year and date generated by the
A comparison circuit that compares the date and time information; and a gate circuit that sets an access result of the processing unit to the year / date and time information generation unit based on a result of the comparison by the comparison circuit and notifies the processing unit of the result. An information processing apparatus characterized by comprising: