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-rw-r--r--nptl/tst-cancel8.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/nptl/tst-cancel8.c b/nptl/tst-cancel8.c
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+/* 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 <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static pthread_barrier_t bar;
+
+static int global;
+
+
+static void
+cleanup (void *arg)
+{
+  global = 1;
+}
+
+
+static void *
+tf (void *arg)
+{
+  /* Enable cancellation, but defer it.  */
+  if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
+    {
+      puts ("setcancelstate failed");
+      exit (1);
+    }
+  if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+    {
+      puts ("setcanceltype failed");
+      exit (1);
+    }
+
+  /* Add cleanup handler.  */
+  pthread_cleanup_push (cleanup, NULL);
+
+  /* Synchronize with the main thread.  */
+  int r = pthread_barrier_wait (&bar);
+  if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("tf: first barrier_wait failed");
+      exit (1);
+    }
+
+  /* And again.  Once this is done the main thread should have canceled
+     this thread.  */
+  r = pthread_barrier_wait (&bar);
+  if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("tf: second barrier_wait failed");
+      exit (1);
+    }
+
+  /* Remove the cleanup handler without executing it.  */
+  pthread_cleanup_pop (0);
+
+  /* Now react on the cancellation.  */
+  pthread_testcancel ();
+
+  /* This call should never return.  */
+  return NULL;
+}
+
+
+static int
+do_test (void)
+{
+  if (pthread_barrier_init (&bar, NULL, 2) != 0)
+    {
+      puts ("barrier_init failed");
+      exit (1);
+    }
+
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+    {
+      puts ("pthread_create failed");
+      return 1;
+    }
+
+  int r = pthread_barrier_wait (&bar);
+  if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("first barrier_wait failed");
+      exit (1);
+    }
+
+  if (pthread_cancel (th) != 0)
+    {
+      puts ("pthread_cancel failed");
+      return 1;
+    }
+
+  r = pthread_barrier_wait (&bar);
+  if (r != 0 && r!= PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("second barrier_wait failed");
+      exit (1);
+    }
+
+  void *result;
+  if (pthread_join (th, &result) != 0)
+    {
+      puts ("pthread_join failed");
+      return 1;
+    }
+
+  if (result != PTHREAD_CANCELED)
+    {
+      puts ("thread was not canceled");
+      exit (1);
+    }
+
+  if (global != 0)
+    {
+      puts ("cancellation handler has been called");
+      exit (1);
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"