2011-07-31 Joel Sherrill <joel.sherrilL@OARcorp.com>

PR 1867/cpukit
	* Makefile.am, configure.ac, psx12/task.c, psxkey03/init.c,
	psxrwlock01/test.c: Correct implementation of pthread_exit() and
	pthread_join() to support the case where a thread is joinable but
	calls pthread_exit() before a thread has attempted to join.

testsuites/psxtests/psx12/task.c

@@ -30,6 +30,11 @@ void *Task_1(
   void *argument
 )
 {
+  /*
+   * Detach ourselves so we don't wait for a join that won't happen.
+   */
+  pthread_detach( pthread_self() );
+
   puts( "Task_1: exitting" );
   pthread_exit( NULL );