Reference
Enable this option with CONFIG_POSIX_THREAD_PRIO_PROTECT.
CONFIG_POSIX_THREAD_PRIO_PROTECT
API
Supported
pthread_mutex_getprioceiling()
yes †
pthread_mutex_setprioceiling()
pthread_mutexattr_getprioceiling()
pthread_mutexattr_getprotocol()
pthread_mutexattr_setprioceiling()
pthread_mutexattr_setprotocol()