strace/tests/ipc_sem.c
Mike Frysinger d79ed12376 tests: skip ipc_sem.test on broken kernels
Rather than trigger an ERROR which fails `make check`, go with SKIP
instead.  We don't want the testsuite failing due to kernel bugs.

* tests/ipc_sem.c (main): Change 99 to 77.
2015-03-03 01:13:23 +00:00

54 lines
1.2 KiB
C

#include <stdio.h>
#include <errno.h>
#include <sys/sem.h>
int
main(void)
{
int rc, id;
struct semid_ds ds;
struct seminfo info;
id = semget(IPC_PRIVATE, 1, 0600);
if (id < 0)
return 77;
printf("semget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id);
if (semctl(id, 0, IPC_STAT, &ds))
goto fail;
printf("semctl\\(%d, 0, IPC_STAT, %p\\) += 0\n", id, &ds);
int max = semctl(0, 0, SEM_INFO, &info);
if (max < 0)
goto fail;
printf("semctl\\(0, 0, SEM_INFO, %p\\) += %d\n", &info, max);
rc = semctl(id, 0, SEM_STAT, &ds);
if (rc != id) {
/*
* In linux < v2.6.24-rc1 the first argument must be
* an index in the kernel's internal array.
*/
if (-1 != rc || EINVAL != errno)
goto fail;
printf("semctl\\(%d, 0, SEM_STAT, %p\\) += -1 EINVAL \\(Invalid argument\\)\n", id, &ds);
} else {
printf("semctl\\(%d, 0, SEM_STAT, %p\\) += %d\n", id, &ds, id);
}
rc = 0;
done:
if (semctl(id, 0, IPC_RMID, 0) < 0)
return 1;
printf("semctl\\(%d, 0, IPC_RMID, 0\\) += 0\n", id);
return rc;
fail:
/*
* If the kernel failed, SKIP the test. We want to ignore
* such failures as they're out of scope for this project.
*/
rc = errno == EFAULT ? 77 : 1;
goto done;
}