6 int val; /* Value for SETVAL */
7 struct semid_ds *buf; /* Buffer for IPC_STAT, IPC_SET */
8 unsigned short *array; /* Array for GETALL, SETALL */
9 struct seminfo *__buf; /* Buffer for IPC_INFO
21 id = semget(IPC_PRIVATE, 1, 0600);
24 printf("semget\\(IPC_PRIVATE, 1, 0600\\) += %d\n", id);
27 if (semctl(id, 0, IPC_STAT, un))
29 printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_STAT, \\[?%p\\]?\\) += 0\n",
33 int max = semctl(0, 0, SEM_INFO, un);
36 printf("semctl\\(0, 0, (IPC_64\\|)?SEM_INFO, \\[?%p\\]?\\) += %d\n",
40 rc = semctl(id, 0, SEM_STAT, un);
43 * In linux < v2.6.24-rc1 the first argument must be
44 * an index in the kernel's internal array.
46 if (-1 != rc || EINVAL != errno)
48 printf("semctl\\(%d, 0, (IPC_64\\|)?SEM_STAT, \\[?%p\\]?\\)"
49 " += -1 EINVAL \\(Invalid argument\\)\n", id, &ds);
51 printf("semctl\\(%d, 0, (IPC_64\\|)?SEM_STAT, \\[?%p\\]?\\)"
52 " += %d\n", id, &ds, id);
57 if (semctl(id, 0, IPC_RMID, 0) < 0)
59 printf("semctl\\(%d, 0, (IPC_64\\|)?IPC_RMID, \\[?0\\]?\\) += 0\n", id);