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authorUlrich Drepper <drepper@redhat.com>2003-11-21 09:20:45 +0000
committerUlrich Drepper <drepper@redhat.com>2003-11-21 09:20:45 +0000
commit53f9084e3f565d62f2a1293a72cb838b759382ce (patch)
treed12244cbe15795af699f7c656e9fcede50e3c97d /nptl
parentc13c99fa92bff8320d2af23717c3e4d656923932 (diff)
downloadglibc-53f9084e3f565d62f2a1293a72cb838b759382ce.tar.gz
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Update.
2003-11-21  Ulrich Drepper  <drepper@redhat.com>

	* Makefile: Add rules to build and run tst-cond12.
	* tst-cond12.c: New file.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog5
-rw-r--r--nptl/Makefile2
-rw-r--r--nptl/tst-cond12.c184
3 files changed, 190 insertions, 1 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 2af37b8914..e0c329d222 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,8 @@
+2003-11-21  Ulrich Drepper  <drepper@redhat.com>
+
+	* Makefile: Add rules to build and run tst-cond12.
+	* tst-cond12.c: New file.
+
 2003-11-17  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/pthread/configure.in: Make missing forced unwind support
diff --git a/nptl/Makefile b/nptl/Makefile
index f3ba929c31..ce1b5fe0e3 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -193,7 +193,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \
 	tst-mutex7 tst-mutex8 tst-mutex9 \
 	tst-spin1 tst-spin2 tst-spin3 \
 	tst-cond1 tst-cond2 tst-cond3 tst-cond4 tst-cond5 tst-cond6 tst-cond7 \
-	tst-cond8 tst-cond9 tst-cond10 tst-cond11 \
+	tst-cond8 tst-cond9 tst-cond10 tst-cond11 tst-cond12 \
 	tst-rwlock1 tst-rwlock2 tst-rwlock3 tst-rwlock4 tst-rwlock5 \
 	tst-rwlock6 tst-rwlock7 tst-rwlock8 tst-rwlock9 tst-rwlock10 \
 	tst-rwlock11 tst-rwlock12 \
diff --git a/nptl/tst-cond12.c b/nptl/tst-cond12.c
new file mode 100644
index 0000000000..256c8a9b9e
--- /dev/null
+++ b/nptl/tst-cond12.c
@@ -0,0 +1,184 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   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 <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+
+
+static char fname[] = "/tmp/tst-cond12-XXXXXX";
+static int fd;
+
+
+static void
+prepare (void)
+{
+  fd = mkstemp (fname);
+  if (fd == -1)
+    {
+      printf ("mkstemp failed: %m\n");
+      exit (1);
+    }
+  add_temp_file (fname);
+  if (ftruncate (fd, 1000) < 0)
+    {
+      printf ("ftruncate failed: %m\n");
+      exit (1);
+    }
+}
+#define PREPARE(argc, argv) prepare ()
+
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
+
+static int
+do_test (void)
+{
+  struct
+  {
+    pthread_mutex_t m;
+    pthread_cond_t c;
+    int var;
+  } *p = mmap (NULL, sizeof (*p), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+  if (p == MAP_FAILED)
+    {
+      printf ("initial mmap failed: %m\n");
+      return 1;
+    }
+
+  pthread_mutexattr_t ma;
+  if (pthread_mutexattr_init (&ma) != 0)
+    {
+      puts ("mutexattr_init failed");
+      return 1;
+    }
+  if (pthread_mutexattr_setpshared (&ma, 1) != 0)
+    {
+      puts ("mutexattr_setpshared failed");
+      return 1;
+    }
+  if (pthread_mutex_init (&p->m, &ma) != 0)
+    {
+      puts ("mutex_init failed");
+      return 1;
+    }
+  if (pthread_mutexattr_destroy (&ma) != 0)
+    {
+      puts ("mutexattr_destroy failed");
+      return 1;
+    }
+
+  pthread_condattr_t ca;
+  if (pthread_condattr_init (&ca) != 0)
+    {
+      puts ("condattr_init failed");
+      return 1;
+    }
+  if (pthread_condattr_setpshared (&ca, 1) != 0)
+    {
+      puts ("condattr_setpshared failed");
+      return 1;
+    }
+  if (pthread_cond_init (&p->c, &ca) != 0)
+    {
+      puts ("mutex_init failed");
+      return 1;
+    }
+  if (pthread_condattr_destroy (&ca) != 0)
+    {
+      puts ("condattr_destroy failed");
+      return 1;
+    }
+
+  if (pthread_mutex_lock (&p->m) != 0)
+    {
+      puts ("initial mutex_lock failed");
+      return 1;
+    }
+
+  p->var = 42;
+
+  pid_t pid = fork ();
+  if (pid == -1)
+    {
+      printf ("fork failed: %m\n");
+      return 1;
+    }
+
+  if (pid == 0)
+    {
+      void *oldp = p;
+      p = mmap (NULL, sizeof (*p), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+
+      if (p == oldp)
+	{
+	  puts ("child: mapped to same address");
+	  kill (getppid (), SIGKILL);
+	  exit (1);
+	}
+
+      munmap (oldp, sizeof (*p));
+
+      if (pthread_mutex_lock (&p->m) != 0)
+	{
+	  puts ("child: mutex_lock failed");
+	  kill (getppid (), SIGKILL);
+	  exit (1);
+	}
+
+      p->var = 0;
+
+      if (pthread_cond_broadcast (&p->c) != 0)
+	{
+	  puts ("child: cond_broadcast failed");
+	  kill (getppid (), SIGKILL);
+	  exit (1);
+	}
+
+      if (pthread_mutex_unlock (&p->m) != 0)
+	{
+	  puts ("child: mutex_unlock failed");
+	  kill (getppid (), SIGKILL);
+	  exit (1);
+	}
+
+      exit (0);
+    }
+
+  do
+    pthread_cond_wait (&p->c, &p->m);
+  while (p->var != 0);
+
+  if (TEMP_FAILURE_RETRY (waitpid (pid, NULL, 0)) != pid)
+    {
+      printf ("waitpid failed: %m\n");
+      kill (pid, SIGKILL);
+      return 1;
+    }
+
+  return 0;
+}