1 files changed, 77 insertions, 0 deletions
diff --git a/nptl/tst-pthread-stack-env.c b/nptl/tst-pthread-stack-env.c
new file mode 100644
index 0000000000..09f03044c0
--- /dev/null
+++ b/nptl/tst-pthread-stack-env.c
@@ -0,0 +1,77 @@
+/* Verify that pthreads uses the default thread stack size set with the
+   GLIBC_PTHREAD_DEFAULT_STACKSIZE environment variable.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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 <pthread.h>
+#include <stdio.h>
+#include <string.h>
+
+/* It is possible that the default stack size somehow ends up being 1MB, thus
+   giving a false positive.  The ideal way to test this would be to get the
+   current stacksize fork a process with the default stack size set to
+   something different to the current stack size and verify in the child
+   process that the environment variable worked.  */
+#define STACKSIZE 1024 * 1024L
+
+void *
+thr (void *u)
+{
+  size_t stacksize, guardsize;
+  pthread_attr_t attr;
+  pthread_getattr_np (pthread_self (), &attr);
+
+  pthread_attr_getstacksize (&attr, &stacksize);
+  pthread_attr_getguardsize (&attr, &guardsize);
+
+  /* FIXME once guardsize is excluded from stacksize.  */
+  if (stacksize - guardsize != STACKSIZE)
+    {
+      printf ("Stack size is %zu, should be %zu\n", stacksize - guardsize,
+	      STACKSIZE);
+      return (void *) 1;
+    }
+
+  return NULL;
+}
+
+int
+do_test (int argc, char **argv)
+{
+  pthread_t t;
+  void *thr_ret;
+  int ret;
+
+  if ((ret = pthread_create (&t, NULL, thr, NULL)) != 0)
+    {
+      printf ("thread create failed: %s\n", strerror (ret));
+      return 1;
+    }
+
+  if ((ret = pthread_join (t, &thr_ret)) != 0)
+    {
+      printf ("join failed: %s\n", strerror (ret));
+      return 1;
+    }
+
+  if (thr_ret != NULL && thr_ret != PTHREAD_CANCELED)
+    return 1;
+
+  return 0;
+}
+
+#include "../test-skeleton.c"