/* 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, see <http://www.gnu.org/licenses/>. */ #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