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-mutex5.c | 185 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 185 insertions(+)
 create mode 100644 test/nptl/tst-mutex5.c

(limited to 'test/nptl/tst-mutex5.c')

diff --git a/test/nptl/tst-mutex5.c b/test/nptl/tst-mutex5.c
new file mode 100644
index 0000000..85dddef
--- /dev/null
+++ b/test/nptl/tst-mutex5.c
@@ -0,0 +1,185 @@
+/* Copyright (C) 2002, 2003, 2004 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 <time.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+#ifndef TYPE
+# define TYPE PTHREAD_MUTEX_NORMAL
+#endif
+
+
+static int
+do_test (void)
+{
+  pthread_mutex_t m;
+  struct timespec ts;
+  struct timeval tv;
+  struct timeval tv2;
+  int err;
+  pthread_mutexattr_t a;
+
+  if (pthread_mutexattr_init (&a) != 0)
+    {
+      puts ("mutexattr_init failed");
+      return 1;
+    }
+
+  if (pthread_mutexattr_settype (&a, TYPE) != 0)
+    {
+      puts ("mutexattr_settype failed");
+      return 1;
+    }
+
+  if (pthread_mutex_init (&m, &a) != 0)
+    {
+      puts ("mutex_init failed");
+      return 1;
+    }
+
+  if (pthread_mutexattr_destroy (&a) != 0)
+    {
+      puts ("mutexattr_destroy failed");
+      return 1;
+    }
+
+  if (pthread_mutex_lock (&m) != 0)
+    {
+      puts ("mutex_lock failed");
+      return 1;
+    }
+
+  if (pthread_mutex_trylock (&m) == 0)
+    {
+      puts ("mutex_trylock succeeded");
+      return 1;
+    }
+
+  gettimeofday (&tv, NULL);
+  TIMEVAL_TO_TIMESPEC (&tv, &ts);
+
+  ts.tv_sec += 2;	/* Wait 2 seconds.  */
+
+  err = pthread_mutex_timedlock (&m, &ts);
+  if (err == 0)
+    {
+      puts ("timedlock succeeded");
+      return 1;
+    }
+  else if (err != ETIMEDOUT)
+    {
+      printf ("timedlock error != ETIMEDOUT: %d\n", err);
+      return 1;
+    }
+  else
+    {
+      int clk_tck = sysconf (_SC_CLK_TCK);
+
+      gettimeofday (&tv2, NULL);
+
+      tv2.tv_sec -= tv.tv_sec;
+      tv2.tv_usec -= tv.tv_usec;
+      if (tv2.tv_usec < 0)
+	{
+	  tv2.tv_usec += 1000000;
+	  tv2.tv_sec -= 1;
+	}
+
+      /* Be a bit tolerant, add one CLK_TCK.  */
+      tv2.tv_usec += 1000000 / clk_tck;
+      if (tv2.tv_usec >= 1000000)
+	{
+	  tv2.tv_usec -= 1000000;
+	  ++tv2.tv_sec;
+	}
+
+      if (tv2.tv_sec < 2)
+	{
+	  printf ("premature timeout: %ld.%06ld difference\n",
+		  tv2.tv_sec, tv2.tv_usec);
+	  return 1;
+	}
+    }
+
+  (void) gettimeofday (&tv, NULL);
+  TIMEVAL_TO_TIMESPEC (&tv, &ts);
+
+  ts.tv_sec += 2;	/* Wait 2 seconds.  */
+  /* The following makes the ts value invalid.  */
+  ts.tv_nsec += 1000000000;
+
+  err = pthread_mutex_timedlock (&m, &ts);
+  if (err == 0)
+    {
+      puts ("2nd timedlock succeeded");
+      return 1;
+    }
+  else if (err != EINVAL)
+    {
+      printf ("2nd timedlock error != EINVAL: %d\n", err);
+      return 1;
+    }
+
+  if (pthread_mutex_unlock (&m) != 0)
+    {
+      puts ("mutex_unlock failed");
+      return 1;
+    }
+
+  (void) gettimeofday (&tv, NULL);
+  TIMEVAL_TO_TIMESPEC (&tv, &ts);
+
+  ts.tv_sec += 2;	/* Wait 2 seconds.  */
+  if (pthread_mutex_timedlock (&m, &ts) != 0)
+    {
+      puts ("3rd timedlock failed");
+    }
+
+  (void) gettimeofday (&tv2, NULL);
+
+  /* Check that timedlock didn't delay.  We use a limit of 0.1 secs.  */
+  timersub (&tv2, &tv, &tv2);
+  if (tv2.tv_sec > 0 || tv2.tv_usec > 100000)
+    {
+      puts ("3rd timedlock didn't return right away");
+      return 1;
+    }
+
+  if (pthread_mutex_unlock (&m) != 0)
+    {
+      puts ("final mutex_unlock failed");
+      return 1;
+    }
+
+  if (pthread_mutex_destroy (&m) != 0)
+    {
+      puts ("mutex_destroy failed");
+      return 1;
+    }
+
+  return 0;
+}
+
+#define TIMEOUT 4
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
-- 
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