| /* Copyright (C) 2002 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. |
| |
| 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 <errno.h> |
| #include <rpc/rpc.h> |
| #include "pthread.h" |
| #include "internals.h" |
| #include "spinlock.h" |
| #include "restart.h" |
| #include <bits/libc-lock.h> |
| |
| #if !defined NOT_IN_libc |
| |
| # ifndef SHARED |
| weak_extern (__pthread_do_exit) |
| # endif |
| |
| /* The next two functions are similar to pthread_setcanceltype() but |
| more specialized for the use in the cancelable functions like write(). |
| They do not need to check parameters etc. */ |
| int |
| attribute_hidden |
| __libc_enable_asynccancel (void) |
| { |
| pthread_descr self = thread_self(); |
| int oldtype = LIBC_THREAD_GETMEM(self, p_canceltype); |
| LIBC_THREAD_SETMEM(self, p_canceltype, PTHREAD_CANCEL_ASYNCHRONOUS); |
| if (__builtin_expect (LIBC_THREAD_GETMEM(self, p_canceled), 0) && |
| LIBC_THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE) |
| __libc_maybe_call2 (pthread_do_exit, |
| (PTHREAD_CANCELED, CURRENT_STACK_FRAME), 0); |
| return oldtype; |
| } |
| strong_alias (__libc_enable_asynccancel, __librt_enable_asynccancel) |
| |
| void |
| internal_function attribute_hidden |
| __libc_disable_asynccancel (int oldtype) |
| { |
| pthread_descr self = thread_self(); |
| LIBC_THREAD_SETMEM(self, p_canceltype, oldtype); |
| } |
| strong_alias (__libc_disable_asynccancel, __librt_disable_asynccancel) |
| |
| #endif |