Sweden-Number/libs/wine/errno.c

86 lines
2.2 KiB
C

/*
* Wine library reentrant errno support
*
* Copyright 1998 Alexandre Julliard
*
* This 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.
*
* This 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <assert.h>
/* default errno before threading is initialized */
static int *default_errno_location(void)
{
static int errno;
return &errno;
}
/* default h_errno before threading is initialized */
static int *default_h_errno_location(void)
{
static int h_errno;
return &h_errno;
}
int* (*wine_errno_location)(void) = default_errno_location;
int* (*wine_h_errno_location)(void) = default_h_errno_location;
/***********************************************************************
* __errno_location/__error/___errno
*
* Get the per-thread errno location.
*/
#ifdef ERRNO_LOCATION
int *ERRNO_LOCATION(void)
{
return wine_errno_location();
}
#endif /* ERRNO_LOCATION */
/***********************************************************************
* __h_errno_location
*
* Get the per-thread h_errno location.
*/
int *__h_errno_location(void)
{
return wine_h_errno_location();
}
/***********************************************************************
* pthread functions
*/
#ifndef HAVE_PTHREAD_GETSPECIFIC
void pthread_getspecific() { assert(0); }
#endif
#ifndef HAVE_PTHREAD_KEY_CREATE
void pthread_key_create() { assert(0); }
#endif
#ifndef HAVE_PTHREAD_MUTEX_LOCK
void pthread_mutex_lock() { assert(0); }
#endif
#ifndef HAVE_PTHREAD_MUTEX_UNLOCK
void pthread_mutex_unlock() { assert(0); }
#endif
#ifndef HAVE_PTHREAD_SETSPECIFIC
void pthread_setspecific() { assert(0); }
#endif