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/*
* 16.1.3 Wait for Thread Termination, P1003.1c/Draft 10, p. 147
*
* COPYRIGHT (c) 1989-1999.
* 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.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <pthread.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/posix/pthread.h>
int pthread_join(
pthread_t thread,
void **value_ptr
)
{
register Thread_Control *the_thread;
POSIX_API_Control *api;
Objects_Locations location;
void *return_pointer;
the_thread = _POSIX_Threads_Get( thread, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE:
return ESRCH;
case OBJECTS_LOCAL:
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
if ( api->detachstate == PTHREAD_CREATE_DETACHED ) {
_Thread_Enable_dispatch();
return EINVAL;
}
if ( _Thread_Is_executing( the_thread ) ) {
_Thread_Enable_dispatch();
return EDEADLK;
}
/*
* Put ourself on the threads join list
*/
_Thread_Executing->Wait.return_argument = (unsigned32 *) &return_pointer;
_Thread_queue_Enter_critical_section( &api->Join_List );
_Thread_queue_Enqueue( &api->Join_List, WATCHDOG_NO_TIMEOUT );
_Thread_Enable_dispatch();
if ( value_ptr )
*value_ptr = return_pointer;
return 0;
}
return POSIX_BOTTOM_REACHED();
}
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