test/nptl/: tests for NPTL

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 191 insertions, 0 deletions

diff --git a/test/nptl/tst-mutex4.c b/test/nptl/tst-mutex4.c
new file mode 100644
index 000000000..0ce7313ca
--- /dev/null
+++ b/test/nptl/tst-mutex4.c
@@ -0,0 +1,191 @@
+/* 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+
+
+static int
+do_test (void)
+{
+  size_t ps = sysconf (_SC_PAGESIZE);
+  char tmpfname[] = "/tmp/tst-mutex4.XXXXXX";
+  char data[ps];
+  void *mem;
+  int fd;
+  pthread_mutex_t *m;
+  pthread_mutexattr_t a;
+  pid_t pid;
+  char *p;
+  int err;
+  int s;
+
+  fd = mkstemp (tmpfname);
+  if (fd == -1)
+    {
+      printf ("cannot open temporary file: %m\n");
+      return 1;
+    }
+
+  /* Make sure it is always removed.  */
+  unlink (tmpfname);
+
+  /* Create one page of data.  */
+  memset (data, '\0', ps);
+
+  /* Write the data to the file.  */
+  if (write (fd, data, ps) != (ssize_t) ps)
+    {
+      puts ("short write");
+      return 1;
+    }
+
+  mem = mmap (NULL, ps, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+  if (mem == MAP_FAILED)
+    {
+      printf ("mmap failed: %m\n");
+      return 1;
+    }
+
+  m = (pthread_mutex_t *) (((uintptr_t) mem + __alignof (pthread_mutex_t))
+			   & ~(__alignof (pthread_mutex_t) - 1));
+  p = (char *) (m + 1);
+
+  if (pthread_mutexattr_init (&a) != 0)
+    {
+      puts ("mutexattr_init failed");
+      return 1;
+    }
+
+  if (pthread_mutexattr_getpshared (&a, &s) != 0)
+    {
+      puts ("1st mutexattr_getpshared failed");
+      return 1;
+    }
+
+  if (s != PTHREAD_PROCESS_PRIVATE)
+    {
+      puts ("default pshared value wrong");
+      return 1;
+    }
+
+  if (pthread_mutexattr_setpshared (&a, PTHREAD_PROCESS_SHARED) != 0)
+    {
+      puts ("mutexattr_setpshared failed");
+      return 1;
+    }
+
+  if (pthread_mutexattr_getpshared (&a, &s) != 0)
+    {
+      puts ("2nd mutexattr_getpshared failed");
+      return 1;
+    }
+
+  if (s != PTHREAD_PROCESS_SHARED)
+    {
+      puts ("pshared value after setpshared call wrong");
+      return 1;
+    }
+
+  if (pthread_mutex_init (m, &a) != 0)
+    {
+      puts ("mutex_init failed");
+      return 1;
+    }
+
+  if (pthread_mutex_lock (m) != 0)
+    {
+      puts ("mutex_lock failed");
+      return 1;
+    }
+
+  if (pthread_mutexattr_destroy (&a) != 0)
+    {
+      puts ("mutexattr_destroy failed");
+      return 1;
+    }
+
+  err = pthread_mutex_trylock (m);
+  if (err == 0)
+    {
+      puts ("mutex_trylock succeeded");
+      return 1;
+    }
+  else if (err != EBUSY)
+    {
+      puts ("mutex_trylock didn't return EBUSY");
+      return 1;
+    }
+
+  *p = 0;
+
+  puts ("going to fork now");
+  pid = fork ();
+  if (pid == -1)
+    {
+      puts ("fork failed");
+      return 1;
+    }
+  else if (pid == 0)
+    {
+      /* Play some lock ping-pong.  It's our turn to unlock first.  */
+      if ((*p)++ != 0)
+	{
+	  puts ("child: *p != 0");
+	  return 1;
+	}
+
+      if (pthread_mutex_unlock (m) != 0)
+	{
+	  puts ("child: 1st mutex_unlock failed");
+	  return 1;
+	}
+
+      puts ("child done");
+    }
+  else
+    {
+      if (pthread_mutex_lock (m) != 0)
+	{
+	  puts ("parent: 2nd mutex_lock failed");
+	  return 1;
+	}
+
+      if (*p != 1)
+	{
+	  puts ("*p != 1");
+	  return 1;
+	}
+
+      puts ("parent done");
+    }
+
+  return 0;
+}
+
+#define TIMEOUT 4
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"