about summary refs log tree commit diff
path: root/nptl/tst-atfork1.c
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/tst-atfork1.c')
-rw-r--r--nptl/tst-atfork1.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/nptl/tst-atfork1.c b/nptl/tst-atfork1.c
new file mode 100644
index 0000000000..25bd3f2f09
--- /dev/null
+++ b/nptl/tst-atfork1.c
@@ -0,0 +1,112 @@
+/* Copyright (C) 2002 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 <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static int val;
+
+
+static void
+prepare1 (void)
+{
+  val *= 2;
+}
+
+static void
+prepare2 (void)
+{
+  ++val;
+}
+
+static void
+parent1 (void)
+{
+  val += 4;
+}
+
+static void
+parent2 (void)
+{
+  val *= 4;
+}
+
+static void
+child1 (void)
+{
+  val += 8;
+}
+
+static void
+child2 (void)
+{
+  val *= 8;
+}
+
+
+static int
+do_test (void)
+{
+  pid_t pid;
+
+  if (pthread_atfork (prepare1, parent1, child1) != 0)
+    {
+      puts ("1st atfork failed");
+      exit (1);
+    }
+  if (pthread_atfork (prepare2, parent2, child2) != 0)
+    {
+      puts ("2nd atfork failed");
+      exit (1);
+    }
+
+  pid = fork ();
+  if (pid == -1)
+    {
+      puts ("fork failed");
+      exit (1);
+    }
+
+  if (pid != 0)
+    {
+      /* Parent.  */
+      if (val != 24)
+	{
+	  printf ("expected val=%d, got %d\n", 24, val);
+	  exit (1);
+	}
+    }
+  else
+    {
+      /* Child.  */
+      if (val != 80)
+	{
+	  printf ("expected val=%d, got %d\n", 80, val);
+	  exit (1);
+	}
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"