/* MT support function to get address of `errno' variable, linuxthreads version. Copyright (C) 1996, 1998, 2002, 2003, 2004 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <errno.h> #include <linuxthreads/internals.h> #include <sysdep-cancel.h> #if ! USE___THREAD && !RTLD_PRIVATE_ERRNO #undef errno extern int errno; #endif int * #if ! USE___THREAD weak_const_function #endif __errno_location (void) { #if ! USE___THREAD && !defined NOT_IN_libc if (! SINGLE_THREAD_P) { pthread_descr self = thread_self(); return LIBC_THREAD_GETMEM (self, p_errnop); } #endif return &errno; } libc_hidden_def (__errno_location)