* winsup.api/pthread/rwlock1.c: New test.

* winsup.api/pthread/rwlock2.c: Ditto.
* winsup.api/pthread/rwlock3.c: Ditto.
* winsup.api/pthread/rwlock4.c: Ditto.
* winsup.api/pthread/rwlock5.c: Ditto.
* winsup.api/pthread/rwlock6.c: Ditto.
* winsup.api/pthread/rwlock7.c: Ditto.

winsup/testsuite/winsup.api/pthread/rwlock1.c

@@ -0,0 +1,63 @@
+/* 
+ * rwlock1.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 1998 John E. Bossom
+ *      Copyright(C) 1999,2002 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@ise.canberra.edu.au
+ * 
+ *      The current list of contributors is contained
+ *      in the file CONTRIBUTORS included with the source
+ *      code distribution. The list can also be seen at the
+ *      following World Wide Web location:
+ *      http://sources.redhat.com/pthreads-win32/contributors.html
+ * 
+ *      This library is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU Lesser General Public
+ *      License as published by the Free Software Foundation; either
+ *      version 2 of the License, or (at your option) any later version.
+ * 
+ *      This library is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *      Lesser General Public License for more details.
+ * 
+ *      You should have received a copy of the GNU Lesser General Public
+ *      License along with this library in the file COPYING.LIB;
+ *      if not, write to the Free Software Foundation, Inc.,
+ *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Create a simple rwlock object and then destroy it.
+ *
+ * Depends on API functions:
+ * 	pthread_rwlock_init()
+ *	pthread_rwlock_destroy()
+ */
+
+#include "test.h"
+
+pthread_rwlock_t rwlock = NULL;
+
+int
+main()
+{
+  assert(rwlock == NULL);
+
+  assert(pthread_rwlock_init(&rwlock, NULL) == 0);
+
+  assert(rwlock != NULL);
+
+  assert(pthread_rwlock_destroy(&rwlock) == 0);
+
+  assert(rwlock == NULL);
+
+  return 0;
+}