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/*
* 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>
static bool _POSIX_Condition_variables_Check_id_and_auto_init(
pthread_cond_t *cond
)
{
if ( cond == NULL ) {
return false;
}
if ( *cond == PTHREAD_COND_INITIALIZER ) {
int eno;
_Once_Lock();
if ( *cond == PTHREAD_COND_INITIALIZER ) {
eno = pthread_cond_init( cond, NULL );
} else {
eno = 0;
}
_Once_Unlock();
if ( eno != 0 ) {
return false;
}
}
return true;
}
POSIX_Condition_variables_Control *_POSIX_Condition_variables_Get(
pthread_cond_t *cond,
ISR_lock_Context *lock_context
)
{
if ( !_POSIX_Condition_variables_Check_id_and_auto_init( cond ) ) {
return NULL;
}
return (POSIX_Condition_variables_Control *) _Objects_Get_local(
(Objects_Id) *cond,
lock_context,
&_POSIX_Condition_variables_Information
);
}
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