thr_error.c revision 144518
1112919Sjeff/* 2112919Sjeff * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 3112919Sjeff * Copyright (c) 1994 by Chris Provenzano, proven@mit.edu 4112919Sjeff * All rights reserved. 5112919Sjeff * 6112919Sjeff * Redistribution and use in source and binary forms, with or without 7112919Sjeff * modification, are permitted provided that the following conditions 8112919Sjeff * are met: 9112919Sjeff * 1. Redistributions of source code must retain the above copyright 10112919Sjeff * notice, this list of conditions and the following disclaimer. 11112919Sjeff * 2. Redistributions in binary form must reproduce the above copyright 12112919Sjeff * notice, this list of conditions and the following disclaimer in the 13112919Sjeff * documentation and/or other materials provided with the distribution. 14112919Sjeff * 3. All advertising materials mentioning features or use of this software 15112919Sjeff * must display the following acknowledgement: 16112919Sjeff * This product includes software developed by John Birrell 17112919Sjeff * and Chris Provenzano. 18112919Sjeff * 4. Neither the name of the author nor the names of any co-contributors 19112919Sjeff * may be used to endorse or promote products derived from this software 20112919Sjeff * without specific prior written permission. 21112919Sjeff * 22112919Sjeff * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 23112919Sjeff * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24112919Sjeff * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25112919Sjeff * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26112919Sjeff * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27112919Sjeff * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28112919Sjeff * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29112919Sjeff * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30112919Sjeff * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31112919Sjeff * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32112919Sjeff * SUCH DAMAGE. 33112919Sjeff * 34112919Sjeff * $FreeBSD: head/lib/libthr/sys/thr_error.c 144518 2005-04-02 01:20:00Z davidxu $ 35112919Sjeff */ 36112919Sjeff 37112919Sjeff#include <pthread.h> 38144518Sdavidxu 39144518Sdavidxu#include "libc_private.h" 40112919Sjeff#include "thr_private.h" 41112919Sjeff 42112919Sjeff#undef errno 43112919Sjeffextern int errno; 44112919Sjeff 45112919Sjeffint * 46144518Sdavidxu__error(void) 47112919Sjeff{ 48144518Sdavidxu struct pthread *curthread = _get_curthread(); 49112919Sjeff 50144518Sdavidxu if (curthread != NULL && curthread != _thr_initial) 51144518Sdavidxu return (&curthread->error); 52144518Sdavidxu else 53112919Sjeff return (&errno); 54112919Sjeff} 55