diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/pthread/herrno-loc.c')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/pthread/herrno-loc.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/herrno-loc.c b/libpthread/linuxthreads/sysdeps/pthread/herrno-loc.c new file mode 100644 index 000000000..fbc557616 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/pthread/herrno-loc.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1996, 97, 98, 2002, 2003 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 <netdb.h> +#include <tls.h> +#include <linuxthreads/internals.h> +#include <sysdep-cancel.h> + +#if ! USE___THREAD +# undef h_errno +extern int h_errno; +#endif + +/* When threaded, h_errno may be a per-thread variable. */ +int * +weak_const_function +__h_errno_location (void) +{ +#if ! USE___THREAD + if (! SINGLE_THREAD_P) + { + pthread_descr self = thread_self(); + return LIBC_THREAD_GETMEM (self, p_h_errnop); + } +#endif + return &h_errno; +} +libc_hidden_def (__h_errno_location) |