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-rw-r--r--htl/pt-testcancel.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/htl/pt-testcancel.c b/htl/pt-testcancel.c
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+/* Add an explicit cancelation point.
+ Copyright (C) 2002-2018 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 <pt-internal.h>
+#include <pthreadP.h>
+
+void
+pthread_testcancel (void)
+{
+ struct __pthread *p = _pthread_self ();
+ int cancelled;
+
+ __pthread_mutex_lock (&p->cancel_lock);
+ cancelled = (p->cancel_state == PTHREAD_CANCEL_ENABLE) && p->cancel_pending;
+ __pthread_mutex_unlock (&p->cancel_lock);
+
+ if (cancelled)
+ __pthread_exit (PTHREAD_CANCELED);
+}