concurrent-programs/seqlock/tests.c at master · sysprog21/concurrent-programs

23 lines (20 loc) · 561 Bytes

#include <stdio.h>

#include <string.h>

#include "expect.h"

#include "seqlock.h"

int main(void)

{

seqlock_t sync;

seqlock_t s;

char data[24] = {0};

data[23] = (char) 255;

seqlock_init(&sync);

s = seqlock_acquire_rd(&sync);

EXPECT(seqlock_release_rd(&sync, s) == true);

s = seqlock_acquire_rd(&sync);

seqlock_write(&sync, "Mary had a little lamb", data, 23);

EXPECT(seqlock_release_rd(&sync, s) == false);

EXPECT(strncmp(data, "Mary had a little lamb", 23) == 0);

EXPECT(data[23] == (char) 255);

return 0;

}

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