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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-01-25 23:20:52 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-01-25 23:20:52 +0000 |
commit | 03598b162e66b6f3df8d9ed55ac18865c5ad2a22 (patch) | |
tree | 46278571b5897f389d05c312b444c8776e18792a /cpukit/posix/src/pthreadjoin.c | |
parent | Added enough prototypes to allow most of POSIX Threads Manager to be (diff) | |
download | rtems-03598b162e66b6f3df8d9ed55ac18865c5ad2a22.tar.bz2 |
Split most of POSIX Threads Manager into multiple files.
Diffstat (limited to 'cpukit/posix/src/pthreadjoin.c')
-rw-r--r-- | cpukit/posix/src/pthreadjoin.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/cpukit/posix/src/pthreadjoin.c b/cpukit/posix/src/pthreadjoin.c new file mode 100644 index 0000000000..004e591eb5 --- /dev/null +++ b/cpukit/posix/src/pthreadjoin.c @@ -0,0 +1,70 @@ +/* + * 16.1.3 Wait for Thread Termination, P1003.1c/Draft 10, p. 147 + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * 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(); +} + |