# POSIX不支持接口
Huawei LiteOS的POSIX接口中，有一些未支持，具体参见下表。
| 头文件         | 接口名                            |
|:---|:---|
| mqueue.h    | mq_notify                      |
| pthread.h   | pthread_atfork                 |
| pthread.h   | pthread_attr_getguardsize      |
| pthread.h   | pthread_attr_getstack          |
| pthread.h   | pthread_attr_setguardsize      |
| pthread.h   | pthread_attr_setstack          |
| pthread.h   | pthread_barrier_destroy        |
| pthread.h   | pthread_barrier_init           |
| pthread.h   | pthread_barrier_wait           |
| pthread.h   | pthread_barrierattr_destroy    |
| pthread.h   | pthread_barrierattr_getpshared |
| pthread.h   | pthread_barrierattr_init       |
| pthread.h   | pthread_barrierattr_setpshared |
| pthread.h   | pthread_getconcurrency         |
| pthread.h   | pthread_getcpuclockid          |
| pthread.h   | pthread_mutex_consistent       |
| pthread.h   | pthread_mutexattr_getpshared   |
| pthread.h   | pthread_mutexattr_getrobust    |
| pthread.h   | pthread_mutexattr_setpshared   |
| pthread.h   | pthread_mutexattr_setrobust    |
| pthread.h   | pthread_rwlock_destroy         |
| pthread.h   | pthread_rwlock_init            |
| pthread.h   | pthread_rwlock_rdlock          |
| pthread.h   | pthread_rwlock_timedrdlock     |
| pthread.h   | pthread_rwlock_timedwrlock     |
| pthread.h   | pthread_rwlock_tryrdlock       |
| pthread.h   | pthread_rwlock_trywrlock       |
| pthread.h   | pthread_rwlock_unlock          |
| pthread.h   | pthread_rwlock_wrlock          |
| pthread.h   | pthread_rwlockattr_destroy     |
| pthread.h   | pthread_rwlockattr_getpshared  |
| pthread.h   | pthread_rwlockattr_init        |
| pthread.h   | pthread_rwlockattr_setpshared  |
| pthread.h   | pthread_setconcurrency         |
| pthread.h   | pthread_spin_destroy           |
| pthread.h   | pthread_spin_init              |
| pthread.h   | pthread_spin_lock              |
| pthread.h   | pthread_spin_trylock           |
| pthread.h   | pthread_spin_unlock            |
| sched.h     | sched_getparam                 |
| sched.h     | sched_getscheduler             |
| sched.h     | sched_rr_get_interval          |
| sched.h     | sched_setparam                 |
| sched.h     | sched_setscheduler             |
| sem.h       | semctl                         |
| sem.h       | semget                         |
| sem.h       | semop                          |
| semaphore.h | sem_close                      |
| semaphore.h | sem_open                       |
| semaphore.h | sem_unlink                     |
| signal.h    | kill                           |
| signal.h    | killpg                         |
| signal.h    | psiginfo                       |
| signal.h    | psignal                        |
| signal.h    | pthread_kill                   |
| signal.h    | pthread_sigmask                |
| signal.h    | raise                          |
| signal.h    | sigaction                      |
| signal.h    | sigaddset                      |
| signal.h    | sigaltstack                    |
| signal.h    | sigdelset                      |
| signal.h    | sigemptyset                    |
| signal.h    | sigfillset                     |
| signal.h    | sighold                        |
| signal.h    | sigignore                      |
| signal.h    | siginterrupt                   |
| signal.h    | sigismember                    |
| signal.h    | sigpause                       |
| signal.h    | sigpending                     |
| signal.h    | sigprocmask                    |
| signal.h    | sigqueue                       |
| signal.h    | sigrelse                       |
| signal.h    | sigsuspend                     |
| signal.h    | sigtimedwait                   |
| signal.h    | sigwait                        |
| signal.h    | sigwaitinfo                    |
| signalfd.h  | signalfd                       |