forked from Imagelibrary/rtems
21789a2117
Rename _POSIX_Absolute_timeout_to_ticks() to _TOD_Absolute_timeout_to_ticks() and move it to the score directory. Delete empty <rtems/posix/time.h>.
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
/**
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* @file
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*
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* @brief POSIX Semaphore Wait Support
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* @ingroup POSIXSemaphorePrivate
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*/
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/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdarg.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <semaphore.h>
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#include <limits.h>
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#include <rtems/system.h>
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#include <rtems/posix/semaphoreimpl.h>
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#include <rtems/seterr.h>
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int _POSIX_Semaphore_Wait_support(
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sem_t *sem,
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bool blocking,
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Watchdog_Interval timeout
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)
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{
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POSIX_Semaphore_Control *the_semaphore;
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Objects_Locations location;
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Thread_Control *executing;
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ISR_lock_Context lock_context;
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the_semaphore = _POSIX_Semaphore_Get_interrupt_disable(
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sem,
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&location,
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&lock_context
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);
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switch ( location ) {
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case OBJECTS_LOCAL:
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executing = _Thread_Executing;
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_CORE_semaphore_Seize(
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&the_semaphore->Semaphore,
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executing,
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the_semaphore->Object.id,
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blocking,
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timeout,
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&lock_context
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);
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if ( !executing->Wait.return_code )
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return 0;
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rtems_set_errno_and_return_minus_one(
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_POSIX_Semaphore_Translate_core_semaphore_return_code(
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executing->Wait.return_code
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)
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);
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#if defined(RTEMS_MULTIPROCESSING)
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case OBJECTS_REMOTE:
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#endif
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case OBJECTS_ERROR:
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break;
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}
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rtems_set_errno_and_return_minus_one( EINVAL );
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}
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