/** * @file * * @brief Support Call to function Enables Locking of Mutex Object * @ingroup POSIXAPI */ /* * COPYRIGHT (c) 1989-2014. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rtems.org/license/LICENSE. */ #if HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include THREAD_WAIT_QUEUE_OBJECT_ASSERT( POSIX_Mutex_Control, Mutex.Wait_queue ); /* * _POSIX_Mutex_Lock_support * * A support routine which implements guts of the blocking, non-blocking, and * timed wait version of mutex lock. */ int _POSIX_Mutex_Lock_support( pthread_mutex_t *mutex, bool blocking, Watchdog_Interval timeout ) { POSIX_Mutex_Control *the_mutex; Objects_Locations location; ISR_lock_Context lock_context; Thread_Control *executing; the_mutex = _POSIX_Mutex_Get_interrupt_disable( mutex, &location, &lock_context ); switch ( location ) { case OBJECTS_LOCAL: executing = _Thread_Executing; _CORE_mutex_Seize( &the_mutex->Mutex, executing, the_mutex->Object.id, blocking, timeout, &lock_context ); return _POSIX_Mutex_Translate_core_mutex_return_code( (CORE_mutex_Status) executing->Wait.return_code ); #if defined(RTEMS_MULTIPROCESSING) case OBJECTS_REMOTE: #endif case OBJECTS_ERROR: break; } return EINVAL; }