Update.
[glibc.git] / linuxthreads / errno.c
blob5c0e8767a181137b08abf8023b43568d113cc02b
1 /* Linuxthreads - a simple clone()-based implementation of Posix */
2 /* threads for Linux. */
3 /* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
4 /* */
5 /* This program is free software; you can redistribute it and/or */
6 /* modify it under the terms of the GNU Library General Public License */
7 /* as published by the Free Software Foundation; either version 2 */
8 /* of the License, or (at your option) any later version. */
9 /* */
10 /* This program is distributed in the hope that it will be useful, */
11 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
12 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
13 /* GNU Library General Public License for more details. */
15 /* Define the location of errno for the remainder of the C library */
17 #include <errno.h>
18 #include <netdb.h>
19 #include <resolv.h>
20 #include <tls.h>
21 #include "pthread.h"
22 #include "internals.h"
24 #if !USE_TLS || !HAVE___THREAD
25 /* The definition in libc is sufficient if we use TLS. */
26 int *
27 __errno_location (void)
29 pthread_descr self = thread_self();
30 return THREAD_GETMEM (self, p_errnop);
33 int *
34 __h_errno_location (void)
36 pthread_descr self = thread_self();
37 return THREAD_GETMEM (self, p_h_errnop);
40 /* Return thread specific resolver state. */
41 struct __res_state *
42 __res_state (void)
44 pthread_descr self = thread_self();
45 return THREAD_GETMEM (self, p_resp);
47 #endif