thr_system.c revision 174689
1259698Sdim/* 2259698Sdim * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>. 3259698Sdim * All rights reserved. 4259698Sdim * 5259698Sdim * Redistribution and use in source and binary forms, with or without 6259698Sdim * modification, are permitted provided that the following conditions 7259698Sdim * are met: 8259698Sdim * 1. Redistributions of source code must retain the above copyright 9259698Sdim * notice(s), this list of conditions and the following disclaimer as 10259698Sdim * the first lines of this file unmodified other than the possible 11259698Sdim * addition of one or more copyright notices. 12259698Sdim * 2. Redistributions in binary form must reproduce the above copyright 13259698Sdim * notice(s), this list of conditions and the following disclaimer in 14259698Sdim * the documentation and/or other materials provided with the 15259698Sdim * distribution. 16259698Sdim * 17259698Sdim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 18259698Sdim * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19259698Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20259698Sdim * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD: head/lib/libkse/thread/thr_system.c 174689 2007-12-16 23:29:57Z deischen $ 30 */ 31 32#include "namespace.h" 33#include <stdlib.h> 34#include <pthread.h> 35#include "un-namespace.h" 36#include "thr_private.h" 37 38int _system(const char *string); 39 40extern int __system(const char *); 41 42__weak_reference(_system, system); 43 44int 45_system(const char *string) 46{ 47 struct pthread *curthread = _get_curthread(); 48 int ret; 49 50 _thr_cancel_enter(curthread); 51 ret = __system(string); 52 _thr_cancel_leave(curthread, 1); 53 54 return ret; 55} 56