Check PTHREAD_DESTRUCTOR_ITERATIONS handling.

diff --git a/nptl/tst-tsd4.c b/nptl/tst-tsd4.c
new file mode 100644 (file)
index 0000000..44bbadb
--- /dev/null
+++ b/nptl/tst-tsd4.c
@@ -0,0 +1,103 @@
+/* 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 <limits.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static pthread_key_t key;
+
+
+static int rounds;
+
+
+static void
+destr (void *arg)
+{
+  ++rounds;
+
+  if (pthread_setspecific (key, (void *) 1l) != 0)
+    {
+      puts ("destr: setspecific failed");
+      exit (1);
+    }
+}
+
+
+static void *
+tf (void *arg)
+{
+  if (pthread_setspecific (key, (void *) 1l) != 0)
+    {
+      puts ("tf: setspecific failed");
+      exit (1);
+    }
+
+  return NULL;
+}
+
+
+/* This test check non-standard behavior.  The standard does not
+   require that the implementation has to stop calling TSD destructors
+   when they are set over and over again.  But NPTL does.  */
+static int
+do_test (void)
+{
+  /* Allocate two keys, both with destructors.  */
+  if (pthread_key_create (&key, destr) != 0)
+    {
+      puts ("key_create failed");
+      return 1;
+    }
+
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+    {
+      puts ("create failed");
+      return 1;
+    }
+
+  if (pthread_join (th, NULL) != 0)
+    {
+      puts ("join failed");
+      return 1;
+    }
+
+  if (rounds < PTHREAD_DESTRUCTOR_ITERATIONS)
+    {
+      printf ("rounds == %d, PTHREAD_DESTRUCTOR_ITERATIONS = %d\n",
+             rounds, PTHREAD_DESTRUCTOR_ITERATIONS);
+      return 1;
+    }
+
+  if (pthread_getspecific (key) != NULL)
+    {
+      puts ("key data != NULL");
+      return 1;
+    }
+
+  return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"