1 files changed, 72 insertions, 0 deletions
diff --git a/pthreads/tests/spin3.c b/pthreads/tests/spin3.c
new file mode 100644
index 000000000..8c0dae69f
--- /dev/null
+++ b/pthreads/tests/spin3.c
@@ -0,0 +1,72 @@
+/* 
+ * spin3.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      Pthreads-win32 - POSIX Threads Library for Win32
+ *      Copyright(C) 1998 John E. Bossom
+ *      Copyright(C) 1999,2005 Pthreads-win32 contributors
+ * 
+ *      Contact Email: rpj@callisto.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Thread A locks spin - thread B tries to unlock.
+ * This should succeed, but it's undefined behaviour.
+ *
+ */
+
+#include "test.h"
+
+static int wasHere = 0;
+
+static pthread_spinlock_t spin;
+ 
+void * unlocker(void * arg)
+{
+  int expectedResult = (int) arg;
+
+  wasHere++;
+  assert(pthread_spin_unlock(&spin) == expectedResult);
+  wasHere++;
+  return NULL;
+}
+ 
+int
+main()
+{
+  pthread_t t;
+
+  wasHere = 0;
+  assert(pthread_spin_init(&spin, PTHREAD_PROCESS_PRIVATE) == 0);
+  assert(pthread_spin_lock(&spin) == 0);
+  assert(pthread_create(&t, NULL, unlocker, (void *) 0) == 0);
+  assert(pthread_join(t, NULL) == 0);
+  assert(pthread_spin_unlock(&spin) == EPERM);
+  assert(pthread_spin_destroy(&spin) == 0);
+  assert(wasHere == 2);
+
+  return 0;
+}