POSIX Compliance Matrix

QuantumRT implements a portable subset of the POSIX.1-2024 API focused on real-time and embedded use. The following tables list supported APIs.

Threads (pthread.h)

Function	Status
`pthread_attr_init()`	Supported
`pthread_attr_destroy()`	Supported
`pthread_attr_setstack()`	Supported
`pthread_attr_getstack()`	Supported
`pthread_attr_setstacksize()`	Supported
`pthread_attr_getstacksize()`	Supported
`pthread_attr_setschedparam()`	Supported
`pthread_attr_getschedparam()`	Supported
`pthread_attr_setschedpolicy()`	Supported
`pthread_attr_getschedpolicy()`	Supported
`pthread_attr_setdetachstate()`	Supported
`pthread_attr_getdetachstate()`	Supported
`pthread_attr_setinheritsched()`	Supported
`pthread_attr_getinheritsched()`	Supported
`pthread_attr_setscope()`	Not supported
`pthread_attr_getscope()`	Not supported
`pthread_attr_setguardsize()`	Not supported
`pthread_attr_getguardsize()`	Not supported

Function	Status
`pthread_mutex_init()`	Supported
`pthread_mutex_destroy()`	Supported
`pthread_mutex_lock()`	Supported
`pthread_mutex_trylock()`	Supported
`pthread_mutex_timedlock()`	Supported
`pthread_mutex_unlock()`	Supported
`pthread_mutex_setprioceiling()`	Supported
`pthread_mutex_getprioceiling()`	Supported
`pthread_mutex_consistent()`	Not supported

Function	Status
`pthread_mutexattr_init()`	Supported
`pthread_mutexattr_destroy()`	Supported
`pthread_mutexattr_settype()`	Supported
`pthread_mutexattr_gettype()`	Supported
`pthread_mutexattr_setprotocol()`	Supported
`pthread_mutexattr_getprotocol()`	Supported
`pthread_mutexattr_setprioceiling()`	Supported
`pthread_mutexattr_getprioceiling()`	Supported
`pthread_mutexattr_setpshared()`	Not supported
`pthread_mutexattr_getpshared()`	Not supported
`pthread_mutexattr_setrobust()`	Not supported
`pthread_mutexattr_getrobust()`	Not supported

Function	Status
`pthread_cond_init()`	Not supported
`pthread_cond_destroy()`	Not supported
`pthread_cond_wait()`	Not supported
`pthread_cond_timedwait()`	Not supported
`pthread_cond_signal()`	Not supported
`pthread_cond_broadcast()`	Not supported
`pthread_condattr_init()`	Not supported
`pthread_condattr_destroy()`	Not supported
`pthread_condattr_getclock()`	Not supported
`pthread_condattr_setclock()`	Not supported
`pthread_condattr_getpshared()`	Not supported
`pthread_condattr_setpshared()`	Not supported

Function	Status
`pthread_rwlock_init()`	Not supported
`pthread_rwlock_destroy()`	Not supported
`pthread_rwlock_rdlock()`	Not supported
`pthread_rwlock_tryrdlock()`	Not supported
`pthread_rwlock_wrlock()`	Not supported
`pthread_rwlock_trywrlock()`	Not supported
`pthread_rwlock_unlock()`	Not supported
`pthread_rwlock_timedrdlock()`	Not supported
`pthread_rwlock_timedwrlock()`	Not supported
`pthread_rwlockattr_init()`	Not supported
`pthread_rwlockattr_destroy()`	Not supported
`pthread_rwlockattr_setpshared()`	Not supported
`pthread_rwlockattr_getpshared()`	Not supported

Function	Status
`pthread_barrier_wait()`	Not supported
`pthread_barrier_init()`	Not supported
`pthread_barrier_destroy()`	Not supported
`pthread_barrierattr_init()`	Not supported
`pthread_barrierattr_destroy()`	Not supported
`pthread_barrierattr_setpshared()`	Not supported
`pthread_barrierattr_getpshared()`	Not supported