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/**
* @file
*
* @brief Destroy a Condition Variable
* @ingroup POSIXAPI
*/
/*
* COPYRIGHT (c) 1989-2007.
* 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 <rtems/posix/condimpl.h>
/**
* 11.4.2 Initializing and Destroying a Condition Variable,
* P1003.1c/Draft 10, p. 87
*/
int pthread_cond_destroy( pthread_cond_t *cond )
{
POSIX_Condition_variables_Control *the_cond;
unsigned long flags;
Thread_queue_Context queue_context;
the_cond = _POSIX_Condition_variables_Get( cond );
POSIX_CONDITION_VARIABLES_VALIDATE_OBJECT( the_cond, flags );
_Thread_queue_Context_initialize( &queue_context );
_POSIX_Condition_variables_Acquire( the_cond, &queue_context );
if ( !_Thread_queue_Is_empty( &the_cond->Queue.Queue ) ) {
_POSIX_Condition_variables_Release( the_cond, &queue_context );
return EBUSY;
}
_POSIX_Condition_variables_Release( the_cond, &queue_context );
_POSIX_Condition_variables_Destroy( the_cond );
return 0;
}
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