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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /linuxthreads/sysdeps/pthread/errno-loc.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'linuxthreads/sysdeps/pthread/errno-loc.c')
-rw-r--r-- | linuxthreads/sysdeps/pthread/errno-loc.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/pthread/errno-loc.c b/linuxthreads/sysdeps/pthread/errno-loc.c new file mode 100644 index 0000000000..0a8f0f9076 --- /dev/null +++ b/linuxthreads/sysdeps/pthread/errno-loc.c @@ -0,0 +1,46 @@ +/* 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 <tls.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) |