BSD syscall#276
svc · unix #276
sem_destroy
POSIX entry point pairing with sem_init; also unsupported on Darwin.
Prototype
int sem_destroy(sem_t *sem);Returns: int
Arguments
| Name | Type | Dir | Description |
|---|---|---|---|
| sem | sem_t | - |
Version history
| XNU tag | macOS | # |
|---|---|---|
| xnu-1456.1.26 | macOS 10.6 Snow Leopard | 276 |
| xnu-1699.24.8 | macOS 10.7 Lion | 276 |
| xnu-2050.18.24 | macOS 10.8 Mountain Lion | 276 |
| xnu-2422.115.4 | macOS 10.9 Mavericks | 276 |
| xnu-1486.2.11 | — | 276 |
| xnu-1504.15.3 | — | 276 |
| xnu-1504.3.12 | — | 276 |
| xnu-1504.7.4 | — | 276 |
| xnu-1504.9.17 | — | 276 |
| xnu-1504.9.26 | — | 276 |
| xnu-1504.9.37 | — | 276 |
| xnu-1699.22.73 | — | 276 |
| xnu-1699.22.81 | — | 276 |
| xnu-1699.24.23 | — | 276 |
| xnu-1699.26.8 | — | 276 |
| xnu-1699.32.7 | — | 276 |
| xnu-2050.22.13 | — | 276 |
| xnu-2050.24.15 | — | 276 |
| xnu-2050.48.11 | — | 276 |
| xnu-2050.7.9 | — | 276 |
| xnu-2050.9.2 | — | 276 |
| xnu-2422.1.72 | — | 276 |
| xnu-2422.100.13 | — | 276 |
| xnu-2422.110.17 | — | 276 |
| xnu-2422.90.20 | — | 276 |
Notes
Like sem_init(3), sem_destroy(3) is a stub that returns ENOSYS on macOS because unnamed POSIX semaphores are unimplemented. Use sem_close(3) + sem_unlink(3) for the named variant.
Related APIs
sem_initsem_closesem_unlink