25 lines
418 B
C
Executable file
25 lines
418 B
C
Executable file
/* update - do sync periodically Author: Andy Tanenbaum */
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#include <sys/types.h>
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#include <signal.h>
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#include <unistd.h>
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_PROTOTYPE(int main, (void));
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int main()
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{
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/* Release all (?) open file descriptors. */
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close(0);
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close(1);
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close(2);
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/* Release current directory to avoid locking current device. */
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chdir("/");
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/* Flush the cache every 30 seconds. */
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while (1) {
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sync();
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sleep(30);
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}
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}
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