| #include "tests.h" |
| #include <sys/ipc.h> |
| #include <sys/sem.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| #include "xlat.h" |
| #include "xlat/semop_flags.h" |
| |
| union semun |
| { |
| int val; |
| struct semid_ds *buf; |
| unsigned short *array; |
| struct seminfo *__buf; |
| }; |
| |
| static int id = -1; |
| |
| static void |
| cleanup(void) |
| { |
| semctl(id, 0, IPC_RMID, 0); |
| id = -1; |
| } |
| |
| int |
| main(void) |
| { |
| static const int bogus_semid = 0xfdb97531; |
| static void * const bogus_sops = (void *) -1L; |
| static const size_t bogus_nsops = (size_t) 0xdefaceddeadbeefULL; |
| |
| static const struct timespec ts_data = { 1, 123456789 }; |
| |
| struct timespec *ts = tail_memdup(&ts_data, sizeof(*ts)); |
| int rc; |
| |
| id = semget(IPC_PRIVATE, 1, 0600); |
| if (id < 0) |
| perror_msg_and_skip("semget"); |
| atexit(cleanup); |
| |
| union semun sem_union = { .val = 0 }; |
| if (semctl(id, 0, SETVAL, sem_union) == -1) |
| perror_msg_and_skip("semctl"); |
| |
| struct sembuf *const sem_b = tail_alloc(sizeof(*sem_b)); |
| struct sembuf *const sem_b2 = tail_alloc(sizeof(*sem_b2)); |
| |
| rc = semop(bogus_semid, NULL, bogus_nsops); |
| printf("semop(%d, NULL, %u) = %s\n", |
| bogus_semid, (unsigned) bogus_nsops, sprintrc(rc)); |
| |
| rc = semop(bogus_semid, bogus_sops, 1); |
| printf("semop(%d, %p, %u) = %s\n", |
| bogus_semid, bogus_sops, 1, sprintrc(rc)); |
| |
| sem_b->sem_num = 0; |
| sem_b->sem_op = 1; |
| sem_b->sem_flg = SEM_UNDO; |
| |
| sem_b2->sem_num = 0xface; |
| sem_b2->sem_op = 0xf00d; |
| sem_b2->sem_flg = 0xbeef; |
| |
| rc = semop(bogus_semid, sem_b2, 2); |
| printf("semop(%d, [{%hu, %hd, %s%s%#hx}, %p], %u) = %s\n", |
| bogus_semid, sem_b2->sem_num, sem_b2->sem_op, |
| sem_b2->sem_flg & SEM_UNDO ? "SEM_UNDO|" : "", |
| sem_b2->sem_flg & IPC_NOWAIT ? "IPC_NOWAIT|" : "", |
| sem_b2->sem_flg & ~(SEM_UNDO | IPC_NOWAIT), |
| sem_b2 + 1, 2, sprintrc(rc)); |
| |
| if (semop(id, sem_b, 1)) |
| perror_msg_and_skip("semop, 1"); |
| printf("semop(%d, [{0, 1, SEM_UNDO}], 1) = 0\n", id); |
| |
| sem_b->sem_op = -1; |
| if (semop(id, sem_b, 1)) |
| perror_msg_and_skip("semop, -1"); |
| printf("semop(%d, [{0, -1, SEM_UNDO}], 1) = 0\n", id); |
| |
| rc = semtimedop(bogus_semid, NULL, bogus_nsops, NULL); |
| printf("semtimedop(%d, NULL, %u, NULL) = %s\n", |
| bogus_semid, (unsigned) bogus_nsops, sprintrc(rc)); |
| |
| rc = semtimedop(id, sem_b + 1, 1, ts + 1); |
| printf("semtimedop(%d, %p, 1, %p) = %s\n", |
| id, sem_b + 1, ts + 1, sprintrc(rc)); |
| |
| rc = semtimedop(bogus_semid, sem_b2, 2, ts); |
| printf("semtimedop(%d, [{%hu, %hd, %s%s%#hx}, %p], %u, " |
| "{tv_sec=%jd, tv_nsec=%jd}) = %s\n", |
| bogus_semid, sem_b2->sem_num, sem_b2->sem_op, |
| sem_b2->sem_flg & SEM_UNDO ? "SEM_UNDO|" : "", |
| sem_b2->sem_flg & IPC_NOWAIT ? "IPC_NOWAIT|" : "", |
| sem_b2->sem_flg & ~(SEM_UNDO | IPC_NOWAIT), |
| sem_b2 + 1, 2, |
| (intmax_t) ts->tv_sec, (intmax_t) ts->tv_nsec, |
| sprintrc(rc)); |
| |
| sem_b->sem_op = 1; |
| if (semtimedop(id, sem_b, 1, NULL)) |
| perror_msg_and_skip("semtimedop, 1"); |
| printf("semtimedop(%d, [{0, 1, SEM_UNDO}], 1, NULL) = 0\n", id); |
| |
| sem_b->sem_op = -1; |
| if (semtimedop(id, sem_b, 1, ts)) |
| perror_msg_and_skip("semtimedop, -1"); |
| printf("semtimedop(%d, [{0, -1, SEM_UNDO}], 1, " |
| "{tv_sec=%jd, tv_nsec=%jd}) = 0\n", id, |
| (intmax_t) ts->tv_sec, (intmax_t) ts->tv_nsec); |
| |
| puts("+++ exited with 0 +++"); |
| return 0; |
| } |