diff options
Diffstat (limited to 'htl/pt-testcancel.c')
-rw-r--r-- | htl/pt-testcancel.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/htl/pt-testcancel.c b/htl/pt-testcancel.c new file mode 100644 index 0000000000..116a3076dd --- /dev/null +++ b/htl/pt-testcancel.c @@ -0,0 +1,36 @@ +/* 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); +} |