8000 Update information about configuring SysV IPC parameters on NetBSD. · sqlparser/postgres@0564f62 · GitHub
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    Update information about configuring SysV IPC parameters on NetBSD.
    Per Emmanuel Kasper, sysctl works fine as of NetBSD 5.0.
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    ‎doc/src/sgml/runtime.sgml

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    @@ -285,10 +285,11 @@ fi
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    <listitem>
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    <para>
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    On <productname>NetBSD</productname>, either use the
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    On <productname>NetBSD</productname>, use either the
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    <productname>FreeBSD</productname> or
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    <productname>Linux</productname> start scripts, depending on
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    preference. <indexterm><primary>NetBSD</><secondary>start script</secondary></>
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    preference.
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    <indexterm><primary>NetBSD</><secondary>start script</secondary></>
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    </para>
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    </listitem>
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    @@ -776,36 +777,63 @@ options "SEMMNS=240"
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    </para>
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    <para>
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    <systemitem class="osname">FreeBSD</> versions before 4.0 work like
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    <systemitem class="osname">NetBSD</> and <systemitem class="osname">
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    OpenBSD</> (see below).
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    <systemitem class="osname">FreeBSD</> versions before 4.0 work like
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    <systemitem class="osname">OpenBSD</> (see below).
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    </para>
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    </listitem>
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    </varlistentry>
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    <varlistentry>
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    <term><systemitem class="osname">NetBSD</></term>
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    <term><systemitem class="osname">OpenBSD</></term>
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    <indexterm><primary>NetBSD</><secondary>IPC configuration</></>
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    <listitem>
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    <para>
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    In <systemitem class="osname">NetBSD</> 5.0 and later,
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    IPC parameters can be adjusted using <command>sysctl</command>,
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    for example:
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    <screen>
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    <prompt>$</prompt> <userinput>sysctl -w kern.ipc.shmmax=16777216</userinput>
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    </screen>
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    To have these settings persist over reboots, modify
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    <filename>/etc/sysctl.conf</filename>.
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    </para>
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    <para>
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    You might also want to configure your kernel to lock shared
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    memory into RAM and prevent it from being paged out to swap.
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    This can be accomplished using the <command>sysctl</command>
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    setting <literal>kern.ipc.shm_use_phys</literal>.
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    </para>
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    <para>
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    <systemitem class="osname">NetBSD</> versions before 5.0 work like
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    <systemitem class="osname">OpenBSD</> (see below), except that
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    parameters should be set with the keyword <literal>options</> not
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    <literal>option</>.
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    </para>
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    </listitem>
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    </varlistentry>
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    <varlistentry>
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    <term><systemitem class="osname">OpenBSD</></term>
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    <indexterm><primary>OpenBSD</><secondary>IPC configuration</></>
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    <listitem>
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    <para>
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    The options <varname>SYSVSHM</> and <varname>SYSVSEM</> need
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    to be enabled when the kernel is compiled. (They are by
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    default.) The maximum size of shared memory is determined by
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    the option <varname>SHMMAXPGS</> (in pages). The following
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    shows an example of how to set the various parameters
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    (<systemitem class="osname">OpenBSD</> uses <literal>option</> instead):
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    shows an example of how to set the various parameters:
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    <programlisting>
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    options SYSVSHM
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    options SHMMAXPGS=4096
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    options SHMSEG=256
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    options SYSVSEM
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    options SEMMNI=256
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    options SEMMNS=512
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    options SEMMNU=256
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    options SEMMAP=256
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    option SYSVSHM
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    option SHMMAXPGS=4096
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    option SHMSEG=256
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    option SYSVSEM
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    option SEMMNI=256
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    option SEMMNS=512
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    option SEMMNU=256
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    option SEMMAP=256
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    </programlisting>
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    </para>
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    @@ -818,7 +846,6 @@ options SEMMAP=256
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    </listitem>
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    </varlistentry>
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    <varlistentry>
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    <term><systemitem class="osname">HP-UX</></term>
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    <indexterm><primary>HP-UX</><secondary>IPC configuration</></>

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