Update.

2003-11-05  Jakub Jelinek  <jakub@redhat.com>

	* unwind.c (FRAME_LEFT): Define.
	(unwind_stop): Handle old style cleanups here.
	(__pthread_unwind): Handle old style cleanups only if
	!HAVE_FORCED_UNWIND.
	* Makefile (tests): Add tst-cleanup4 and tst-cleanupx4.
	(CFLAGS-tst-cleanupx4.c): Add -fexceptions.
	($(objpfx)tst-cleanup4): Depend on $(objpfx)tst-cleanup4aux.o.
	($(objpfx)tst-cleanupx4): Likewise.
	* tst-cleanup4.c: New test.
	* tst-cleanup4aux.c: New.
	* tst-cleanupx4.c: New test.

1 files changed, 198 insertions, 0 deletions

diff --git a/nptl/tst-cleanup4.c b/nptl/tst-cleanup4.c
new file mode 100644
index 0000000000..1489fd31b8
--- /dev/null
+++ b/nptl/tst-cleanup4.c
@@ -0,0 +1,198 @@
+/* Copyright (C) 2003 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.  */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* LinuxThreads pthread_cleanup_{push,pop} helpers.  */
+extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer,
+                                   void (*__routine) (void *),
+                                   void *__arg);
+extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer,
+                                  int __execute);
+
+static int fds[2];
+static pthread_barrier_t b2;
+static int global;
+
+/* Defined in tst-cleanup4aux.c, never compiled with -fexceptions.  */
+extern void fn5 (void);
+extern void fn7 (void);
+extern void fn9 (void);
+
+void
+clh (void *arg)
+{
+  int val = (long int) arg;
+
+  printf ("clh (%d)\n", val);
+
+  global *= val;
+  global += val;
+}
+
+
+static __attribute__((noinline)) void
+fn_read (void)
+{
+  int r = pthread_barrier_wait (&b2);
+  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      printf ("%s: barrier_wait failed\n", __FUNCTION__);
+      exit (1);
+    }
+
+  char c;
+  read (fds[0], &c, 1);
+}
+
+
+__attribute__((noinline)) void
+fn0 (void)
+{
+  pthread_cleanup_push (clh, (void *) 1l);
+
+  fn_read ();
+
+  pthread_cleanup_pop (1);
+}
+
+
+__attribute__((noinline)) void
+fn1 (void)
+{
+  /* This is the old LinuxThreads pthread_cleanup_{push,pop}.  */
+  struct _pthread_cleanup_buffer b;
+  _pthread_cleanup_push (&b, clh, (void *) 2l);
+
+  fn0 ();
+
+  _pthread_cleanup_pop (&b, 1);
+}
+
+
+static __attribute__((noinline)) void
+fn2 (void)
+{
+  pthread_cleanup_push (clh, (void *) 3l);
+
+  fn1 ();
+
+  pthread_cleanup_pop (1);
+}
+
+
+static void *
+tf (void *a)
+{
+  switch ((long) a)
+    {
+    case 0:
+      fn2 ();
+      break;
+    case 1:
+      fn5 ();
+      break;
+    case 2:
+      fn7 ();
+      break;
+    case 3:
+      fn9 ();
+      break;
+    }
+
+  return NULL;
+}
+
+
+int
+do_test (void)
+{
+  int result = 0;
+
+  if (pipe (fds) != 0)
+    {
+      puts ("pipe failed");
+      exit (1);
+    }
+
+  if (pthread_barrier_init (&b2, NULL, 2) != 0)
+    {
+      puts ("b2 init failed");
+      exit (1);
+    }
+
+  const int expect[] =
+    {
+      15,	/* 1 2 3 */
+      276,	/* 1 4 5 6 */
+      120,	/* 1 7 8 */
+      460	/* 1 2 9 10 */
+    };
+
+  long i;
+  for (i = 0; i < 4; ++i)
+    {
+      global = 0;
+
+      printf ("test %ld\n", i);
+
+      pthread_t th;
+      if (pthread_create (&th, NULL, tf, (void *) i) != 0)
+	{
+	  puts ("create failed");
+	  exit (1);
+	}
+
+      int e = pthread_barrier_wait (&b2);
+      if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+	{
+	  printf ("%s: barrier_wait failed\n", __FUNCTION__);
+	  exit (1);
+	}
+
+      pthread_cancel (th);
+
+      void *r;
+      if ((e = pthread_join (th, &r)) != 0)
+	{
+	  printf ("join failed: %d\n", e);
+	  _exit (1);
+	}
+
+      if (r != PTHREAD_CANCELED)
+	{
+	  puts ("thread not canceled");
+	  exit (1);
+	}
+
+      if (global != expect[i])
+	{
+	  printf ("global = %d, expected %d\n", global, expect[i]);
+	  result = 1;
+	}
+    }
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"