posix: Fix rwlock auto initialization

Add more test cases.

cpukit/posix/src/prwlockunlock.c

@@ -35,7 +35,7 @@ bool _POSIX_RWLock_Auto_initialization( POSIX_RWLock_Control *the_rwlock )
     return false;
   }
 
-  the_rwlock->flags = POSIX_RWLOCK_MAGIC;
+  the_rwlock->flags = (uintptr_t) the_rwlock ^ POSIX_RWLOCK_MAGIC;
   return true;
 }
 

testsuites/psxtests/psx05/init.c

@@ -374,6 +374,12 @@ static void test_mutex_auto_initialization( void )
 
     eno = pthread_mutex_lock( &mutex );
     rtems_test_assert( eno == 0 );
+
+    eno = pthread_mutex_unlock( &mutex );
+    rtems_test_assert( eno == 0 );
+
+    eno = pthread_mutex_destroy( &mutex );
+    rtems_test_assert( eno == 0 );
   }
 
   {

testsuites/psxtests/psxcond01/init.c

@@ -51,6 +51,41 @@ void *BlockingThread(
   return NULL;
 }
 
+static void test_cond_auto_initialization( void )
+{
+  int eno;
+
+  {
+    pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+
+    eno = pthread_cond_destroy( &cond );
+    rtems_test_assert( eno == 0 );
+
+    eno = pthread_cond_destroy( &cond );
+    rtems_test_assert( eno == EINVAL );
+  }
+
+  {
+    pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+
+    eno = pthread_cond_signal( &cond );
+    rtems_test_assert( eno == 0 );
+
+    eno = pthread_cond_destroy( &cond );
+    rtems_test_assert( eno == 0 );
+  }
+
+  {
+    pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+
+    eno = pthread_cond_broadcast( &cond );
+    rtems_test_assert( eno == 0 );
+
+    eno = pthread_cond_destroy( &cond );
+    rtems_test_assert( eno == 0 );
+  }
+}
+
 void *POSIX_Init(
   void *argument
 )
@@ -60,6 +95,8 @@ void *POSIX_Init(
 
   TEST_BEGIN();
 
+  test_cond_auto_initialization();
+
   puts( "Init - pthread_mutex_init - Mutex1 - OK" );
   sc = pthread_mutex_init( &Mutex1, NULL );
   fatal_posix_service_status( sc, 0, "mutex1 create ok" );

testsuites/psxtests/psxrwlock01/test.c

@@ -259,6 +259,12 @@ static void test_rwlock_auto_initialization( void )
 
     eno = pthread_rwlock_rdlock( &rw );
     rtems_test_assert( eno == 0 );
+
+    eno = pthread_rwlock_unlock( &rw );
+    rtems_test_assert( eno == 0 );
+
+    eno = pthread_rwlock_destroy( &rw );
+    rtems_test_assert( eno == 0 );
   }
 
   {