25 lines
465 B
C
25 lines
465 B
C
#include <stdio.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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int
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main (int argc, char **argv)
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{
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int pid, n;
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if ((pid = fork ()) == 0)
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exit (0);
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sleep (2);
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if ((n = waitpid (pid, NULL, 0)) != pid)
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{
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printf ("wait pid failed, pid %d, n %d, errno %d\n", pid, n, errno);
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exit(1);
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}
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else
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{
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printf ("wait pid succeeded, pid %d, n %d, errno %d\n", pid, n, errno);
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exit (0);
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}
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}
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