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/* MT support function to get address of `errno' variable, linuxthreads
version.
Copyright (C) 1996, 1998, 2002 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 <sysdep-cancel.h>
#if ! USE___THREAD
#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;
}
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