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authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-02 17:19:23 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-02 17:19:23 +0000
commit96c041c42ba7cf9489113bb337c8dc9b344f152e (patch)
treebd6b328f8cd3b82963d3b27a05403c6fe11699bb /cpukit/posix/src/mutexdestroy.c
parentSplit mqueue into multiple files. (diff)
downloadrtems-96c041c42ba7cf9489113bb337c8dc9b344f152e.tar.bz2
Split mutex.c into multiple files.
Diffstat (limited to 'cpukit/posix/src/mutexdestroy.c')
-rw-r--r--cpukit/posix/src/mutexdestroy.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/cpukit/posix/src/mutexdestroy.c b/cpukit/posix/src/mutexdestroy.c
new file mode 100644
index 0000000000..33debda77c
--- /dev/null
+++ b/cpukit/posix/src/mutexdestroy.c
@@ -0,0 +1,83 @@
+/*
+ * $Id$
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <pthread.h>
+
+#include <rtems/system.h>
+#include <rtems/score/coremutex.h>
+#include <rtems/score/watchdog.h>
+#if defined(RTEMS_MULTIPROCESSING)
+#include <rtems/score/mpci.h>
+#endif
+#include <rtems/posix/mutex.h>
+#include <rtems/posix/priority.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ * 11.3.2 Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87
+ */
+
+int pthread_mutex_destroy(
+ pthread_mutex_t *mutex
+)
+{
+ register POSIX_Mutex_Control *the_mutex;
+ Objects_Locations location;
+
+ the_mutex = _POSIX_Mutex_Get( mutex, &location );
+ switch ( location ) {
+ case OBJECTS_REMOTE:
+#if defined(RTEMS_MULTIPROCESSING)
+ _Thread_Dispatch();
+ return POSIX_MP_NOT_IMPLEMENTED();
+ return EINVAL;
+#endif
+ case OBJECTS_ERROR:
+ return EINVAL;
+ case OBJECTS_LOCAL:
+ /*
+ * XXX: There is an error for the mutex being locked
+ * or being in use by a condition variable.
+ */
+
+ if ( _CORE_mutex_Is_locked( &the_mutex->Mutex ) ) {
+ _Thread_Enable_dispatch();
+ return EBUSY;
+ }
+
+ _Objects_Close( &_POSIX_Mutex_Information, &the_mutex->Object );
+
+ _CORE_mutex_Flush(
+ &the_mutex->Mutex,
+#if defined(RTEMS_MULTIPROCESSING)
+ _POSIX_Mutex_MP_Send_object_was_deleted,
+#else
+ NULL,
+#endif
+ EINVAL
+ );
+
+ _POSIX_Mutex_Free( the_mutex );
+
+#if defined(RTEMS_MULTIPROCESSING)
+ if ( the_mutex->process_shared == PTHREAD_PROCESS_SHARED ) {
+
+ _Objects_MP_Close( &_POSIX_Mutex_Information, the_mutex->Object.id );
+
+ _POSIX_Mutex_MP_Send_process_packet(
+ POSIX_MUTEX_MP_ANNOUNCE_DELETE,
+ the_mutex->Object.id,
+ 0, /* Not used */
+ 0 /* Not used */
+ );
+ }
+#endif
+ _Thread_Enable_dispatch();
+ return 0;
+ }
+ return POSIX_BOTTOM_REACHED();
+}