From 51c55d85632d43aa362b625ae519d00d559f9e5c Mon Sep 17 00:00:00 2001
From: "Neal H. Walfield" <neal@gnu.org>
Date: Thu, 10 Oct 2002 23:05:06 +0000
Subject: Import libpthread.

---
 tests/test-10.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 tests/test-10.c

(limited to 'tests/test-10.c')

diff --git a/tests/test-10.c b/tests/test-10.c
new file mode 100644
index 0000000..bec05c1
--- /dev/null
+++ b/tests/test-10.c
@@ -0,0 +1,46 @@
+/* Test error checking mutexes.  */
+
+#define _GNU_SOURCE
+
+#include <pthread.h>
+#include <assert.h>
+#include <error.h>
+#include <errno.h>
+
+int
+main (int argc, char **argv)
+{
+  error_t err;
+  pthread_mutexattr_t mattr;
+  pthread_mutex_t mutex;
+
+  err = pthread_mutexattr_init (&mattr);
+  if (err)
+    error (1, err, "pthread_mutexattr_init");
+
+  err = pthread_mutexattr_settype (&mattr, PTHREAD_MUTEX_ERRORCHECK);
+  if (err)
+    error (1, err, "pthread_mutexattr_settype");
+
+  err = pthread_mutex_init (&mutex, &mattr);
+  if (err)
+    error (1, err, "pthread_mutex_init");
+
+  err = pthread_mutexattr_destroy (&mattr);
+  if (err)
+    error (1, err, "pthread_mutexattr_destroy");
+
+  err = pthread_mutex_lock (&mutex);
+  assert (err == 0);
+
+  err = pthread_mutex_lock (&mutex);
+  assert (err == EDEADLK);
+
+  err = pthread_mutex_unlock (&mutex);
+  assert (err == 0);
+
+  err = pthread_mutex_unlock (&mutex);
+  assert (err == EPERM);
+
+  return 0;
+}
-- 
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