diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/pthread/errno-loc.c')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/pthread/errno-loc.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/errno-loc.c b/libpthread/linuxthreads/sysdeps/pthread/errno-loc.c new file mode 100644 index 000000000..8bdfff485 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/pthread/errno-loc.c @@ -0,0 +1,44 @@ +/* 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <linuxthreads/internals.h> +#include <sysdep-cancel.h> + +#if !defined __UCLIBC_HAS_TLS__ && !RTLD_PRIVATE_ERRNO +#undef errno +extern int errno; +#endif + +int * +#ifndef __UCLIBC_HAS_TLS__ +weak_const_function +#endif +__errno_location (void) +{ +#if !defined __UCLIBC_HAS_TLS__ && !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) |