(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 97 insertions, 0 deletions

diff --git a/linuxthreads/tst-stack1.c b/linuxthreads/tst-stack1.c
new file mode 100644
index 0000000000..057bfa3f9f
--- /dev/null
+++ b/linuxthreads/tst-stack1.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@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.  */
+
+/* Test pthread_create/pthread_join with user defined stacks.  */
+
+#include <limits.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+static int seen;
+
+static void *
+tf (void *p)
+{
+  ++seen;
+  return NULL;
+}
+
+#define N 16
+
+static int
+do_test (void)
+{
+  void *stack;
+  int res = posix_memalign (&stack, getpagesize (), N * 4 * PTHREAD_STACK_MIN);
+  if (res)
+    {
+      printf ("malloc failed %s\n", strerror (res));
+      return 1;
+    }
+
+  pthread_attr_t attr;
+  pthread_attr_init (&attr);
+
+  int result = 0;
+  for (int i = 0; i < N; ++i)
+    {
+      res = pthread_attr_setstack (&attr, stack + i * 4 * PTHREAD_STACK_MIN,
+				   4 * PTHREAD_STACK_MIN);
+      if (res)
+	{
+	  printf ("pthread_attr_setstack failed %d\n", res);
+	  result = 1;
+	  continue;
+	}
+
+      /* Create the thread.  */
+      pthread_t th;
+      res = pthread_create (&th, &attr, tf, NULL);
+      if (res)
+	{
+	  printf ("pthread_create failed %d\n", res);
+	  result = 1;
+	}
+      else
+	{
+	  res = pthread_join (th, NULL);
+	  if (res)
+	    {
+	      printf ("pthread_join failed %d\n", res);
+	      result = 1;
+	    }
+	}
+    }
+
+  pthread_attr_destroy (&attr);
+
+  if (seen != N)
+    {
+      printf ("seen %d != %d\n", seen, N);
+      result = 1;
+    }
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"