| 1 | /* Set the cancel type during blocking calls. |
|---|---|
| 2 | Copyright (C) 2020-2022 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <pthread.h> |
| 20 | #include <pthreadP.h> |
| 21 | #include <pt-internal.h> |
| 22 | |
| 23 | int __pthread_enable_asynccancel (void) |
| 24 | { |
| 25 | struct __pthread *p = _pthread_self (); |
| 26 | int oldtype; |
| 27 | |
| 28 | __pthread_mutex_lock (&p->cancel_lock); |
| 29 | oldtype = p->cancel_type; |
| 30 | p->cancel_type = PTHREAD_CANCEL_ASYNCHRONOUS; |
| 31 | __pthread_mutex_unlock (&p->cancel_lock); |
| 32 | |
| 33 | __pthread_testcancel (); |
| 34 | |
| 35 | return oldtype; |
| 36 | } |
| 37 | |
| 38 | void __pthread_disable_asynccancel (int oldtype) |
| 39 | { |
| 40 | struct __pthread *p = _pthread_self (); |
| 41 | |
| 42 | __pthread_mutex_lock (&p->cancel_lock); |
| 43 | p->cancel_type = oldtype; |
| 44 | __pthread_mutex_unlock (&p->cancel_lock); |
| 45 | } |
| 46 |