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glibc  2.9
fatal-prepare.h
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00001 /* Copyright (C) 2003, 2007 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <pthread.h>
00020 
00021 /* We have to completely disable cancellation.  assert() must not be a
00022    cancellation point but the implementation uses write() etc.  */
00023 #ifdef SHARED
00024 # include <pthread-functions.h>
00025 # define FATAL_PREPARE \
00026   {                                                                  \
00027     if (__libc_pthread_functions_init)                                      \
00028       PTHFCT_CALL (ptr_pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE,            \
00029                                           NULL));                           \
00030   }
00031 #else
00032 # pragma weak pthread_setcancelstate
00033 # define FATAL_PREPARE \
00034   {                                                                  \
00035     if (pthread_setcancelstate != NULL)                                     \
00036       pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL);                \
00037   }
00038 #endif