task_1: added to handle cases of waiting tasks on condition variables

c/src/tests/psxtests/psx10/task.c

@@ -0,0 +1,60 @@
+/*  Task_1
+ *
+ *  This routine serves as a test task.
+ *
+ *  Input parameters:
+ *    argument - task argument
+ *
+ *  Output parameters:  NONE
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#include "system.h"
+
+void *Task_1(
+  void *argument
+)
+{
+  int  status;
+
+  Task_id = pthread_self();
+  printf( "Task_1: ID is 0x%08x\n", Task_id );
+
+  status = pthread_mutex_init( &Mutex_id, NULL );
+  assert( !status );
+
+  status = pthread_mutex_lock( &Mutex_id );
+  assert( !status );
+
+  puts( "Task_1: pthread_cond_wait" );
+  status = pthread_cond_wait( &Cond1_id, &Mutex_id );
+  assert( !status );
+
+  puts( "Task_1: back from pthread_cond_wait release mutex" );
+  status = pthread_mutex_unlock( &Mutex_id );
+  assert( !status );
+
+  status = pthread_mutex_lock( &Mutex_id );
+  assert( !status );
+
+  puts( "Task_1: pthread_cond_wait" );
+  status = pthread_cond_wait( &Cond1_id, &Mutex_id );
+  assert( !status );
+
+  puts( "Task_1: back from pthread_cond_wait release mutex" );
+  status = pthread_mutex_unlock( &Mutex_id );
+  assert( !status );
+
+  pthread_exit( NULL );
+
+  return NULL; /* just so the compiler thinks we returned something */
+}