From 7988979a722b4cdf287b2093956a76a3f19b9897 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@uclibc-ng.org>
Date: Mon, 24 Oct 2016 20:22:12 +0200
Subject: add uClibc-ng test directory

---
 test/nptl/tst-mutex2.c | 222 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 222 insertions(+)
 create mode 100644 test/nptl/tst-mutex2.c

(limited to 'test/nptl/tst-mutex2.c')

diff --git a/test/nptl/tst-mutex2.c b/test/nptl/tst-mutex2.c
new file mode 100644
index 0000000..707afe9
--- /dev/null
+++ b/test/nptl/tst-mutex2.c
@@ -0,0 +1,222 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C 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 2.1 of the License, or (at your option) any later version.
+
+   The GNU C 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 the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static pthread_mutex_t m;
+static pthread_barrier_t b;
+
+
+static void *
+tf (void *arg)
+{
+  int e = pthread_mutex_unlock (&m);
+  if (e == 0)
+    {
+      puts ("child: 1st mutex_unlock succeeded");
+      exit (1);
+    }
+  else if (e != EPERM)
+    {
+      puts ("child: 1st mutex_unlock error != EPERM");
+      exit (1);
+    }
+
+  e = pthread_mutex_trylock (&m);
+  if (e == 0)
+    {
+      puts ("child: 1st trylock suceeded");
+      exit (1);
+    }
+  if (e != EBUSY)
+    {
+      puts ("child: 1st trylock didn't return EBUSY");
+      exit (1);
+    }
+
+  e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("child: 1st barrier_wait failed");
+      exit (1);
+    }
+
+  e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("child: 2nd barrier_wait failed");
+      exit (1);
+    }
+
+  e = pthread_mutex_unlock (&m);
+  if (e == 0)
+    {
+      puts ("child: 2nd mutex_unlock succeeded");
+      exit (1);
+    }
+  else if (e != EPERM)
+    {
+      puts ("child: 2nd mutex_unlock error != EPERM");
+      exit (1);
+    }
+
+  if (pthread_mutex_trylock (&m) != 0)
+    {
+      puts ("child: 2nd trylock failed");
+      exit (1);
+    }
+
+  if (pthread_mutex_unlock (&m) != 0)
+    {
+      puts ("child: 3rd mutex_unlock failed");
+      exit (1);
+    }
+
+  return NULL;
+}
+
+
+static int
+do_test (void)
+{
+  pthread_mutexattr_t a;
+  int e;
+
+  if (pthread_mutexattr_init (&a) != 0)
+    {
+      puts ("mutexattr_init failed");
+      exit (1);
+    }
+
+  if (pthread_mutexattr_settype (&a, PTHREAD_MUTEX_ERRORCHECK) != 0)
+    {
+      puts ("mutexattr_settype failed");
+      exit (1);
+    }
+
+  if (pthread_mutex_init (&m, &a) != 0)
+    {
+      puts ("mutex_init failed");
+      exit (1);
+    }
+
+  if (pthread_barrier_init (&b, NULL, 2) != 0)
+    {
+      puts ("barrier_init failed");
+      exit (1);
+    }
+
+  if ((e = pthread_mutex_unlock (&m)) == 0)
+    {
+      puts ("1st mutex_unlock succeeded");
+      exit (1);
+    }
+  else if (e != EPERM)
+    {
+      puts ("1st mutex_unlock error != EPERM");
+      exit (1);
+    }
+
+  if (pthread_mutex_lock (&m) != 0)
+    {
+      puts ("mutex_lock failed");
+      exit (1);
+    }
+
+  if ((e = pthread_mutex_lock (&m)) == 0)
+    {
+      puts ("2nd mutex_lock succeeded");
+      exit (1);
+    }
+  else if (e != EDEADLK)
+    {
+      puts ("2nd mutex_lock error != EDEADLK");
+      exit (1);
+    }
+
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+    {
+      puts ("create failed");
+      exit (1);
+    }
+
+  e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("1st barrier_wait failed");
+      exit (1);
+    }
+
+  if (pthread_mutex_unlock (&m) != 0)
+    {
+      puts ("2nd mutex_unlock failed");
+      exit (1);
+    }
+
+  if ((e = pthread_mutex_unlock (&m)) == 0)
+    {
+      puts ("3rd mutex_unlock succeeded");
+      exit (1);
+    }
+  else if (e != EPERM)
+    {
+      puts ("3rd mutex_unlock error != EPERM");
+      exit (1);
+    }
+
+  e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("2nd barrier_wait failed");
+      exit (1);
+    }
+
+  if (pthread_join (th, NULL) != 0)
+    {
+      puts ("join failed");
+      exit (1);
+    }
+
+  if (pthread_mutex_destroy (&m) != 0)
+    {
+      puts ("mutex_destroy failed");
+      exit (1);
+    }
+
+  if (pthread_barrier_destroy (&b) != 0)
+    {
+      puts ("barrier_destroy failed");
+      exit (1);
+    }
+
+  if (pthread_mutexattr_destroy (&a) != 0)
+    {
+      puts ("mutexattr_destroy failed");
+      exit (1);
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
-- 
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