forked from Imagelibrary/rtems
a2e3f33f39
Move implementation specific parts of object.h and object.inl into new header file objectimpl.h. The object.h contains now only the application visible API.
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/**
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* @file
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*
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* @brief Implements wake up version of the "signal" operation
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* @ingroup POSIX_COND_VARS Condition Variables
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*/
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/*
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* COPYRIGHT (c) 1989-2007.
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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.com/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 <pthread.h>
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#include <errno.h>
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#include <rtems/system.h>
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#include <rtems/score/watchdog.h>
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#include <rtems/posix/condimpl.h>
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#include <rtems/posix/time.h>
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#include <rtems/posix/muteximpl.h>
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/*
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* _POSIX_Condition_variables_Signal_support
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*
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* A support routine which implements guts of the broadcast and single task
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* wake up version of the "signal" operation.
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*/
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int _POSIX_Condition_variables_Signal_support(
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pthread_cond_t *cond,
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bool is_broadcast
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)
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{
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register POSIX_Condition_variables_Control *the_cond;
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Objects_Locations location;
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Thread_Control *the_thread;
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the_cond = _POSIX_Condition_variables_Get( cond, &location );
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switch ( location ) {
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case OBJECTS_LOCAL:
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do {
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the_thread = _Thread_queue_Dequeue( &the_cond->Wait_queue );
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if ( !the_thread )
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the_cond->Mutex = POSIX_CONDITION_VARIABLES_NO_MUTEX;
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} while ( is_broadcast && the_thread );
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_Objects_Put( &the_cond->Object );
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return 0;
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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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return EINVAL;
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}
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