3aa45f3cc2
* tests/ipc_msg.c (main): Optionally match "IPC_64|" in the third argument of the ipc call. * tests/ipc_sem.c (main): Likewise. * tests/ipc_shm.c (main): Likewise.
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
#include <stdio.h>
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#include <errno.h>
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#include <sys/shm.h>
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int
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main(void)
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{
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int rc, id;
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struct shmid_ds ds;
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id = shmget(IPC_PRIVATE, 1, 0600);
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if (id < 0)
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return 77;
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printf("shmget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id);
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if (shmctl(id, IPC_STAT, &ds))
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goto fail;
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printf("shmctl\\(%d, (IPC_64\\|)?IPC_STAT, %p\\) += 0\n", id, &ds);
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int max = shmctl(0, SHM_INFO, &ds);
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if (max < 0)
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goto fail;
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printf("shmctl\\(0, (IPC_64\\|)?SHM_INFO, %p\\) += %d\n", &ds, max);
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rc = shmctl(id, SHM_STAT, &ds);
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if (rc != id) {
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/*
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* In linux < v2.6.24-rc1 the first argument must be
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* an index in the kernel's internal array.
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*/
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if (-1 != rc || EINVAL != errno)
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goto fail;
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printf("shmctl\\(%d, (IPC_64\\|)?SHM_STAT, %p\\) += -1 EINVAL \\(Invalid argument\\)\n", id, &ds);
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} else {
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printf("shmctl\\(%d, (IPC_64\\|)?SHM_STAT, %p\\) += %d\n", id, &ds, id);
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}
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rc = 0;
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done:
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if (shmctl(id, IPC_RMID, 0) < 0)
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return 1;
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printf("shmctl\\(%d, (IPC_64\\|)?IPC_RMID, 0\\) += 0\n", id);
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return rc;
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fail:
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rc = 1;
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goto done;
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}
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