thr_fcntl.c revision 113658
1/* 2 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by John Birrell. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD: head/lib/libkse/thread/thr_fcntl.c 113658 2003-04-18 05:04:16Z deischen $ 33 */ 34#include <stdarg.h> 35#include "namespace.h" 36#include <fcntl.h> 37#include "un-namespace.h" 38#include <pthread.h> 39#include "thr_private.h" 40 41__weak_reference(__fcntl, fcntl); 42 43int 44__fcntl(int fd, int cmd,...) 45{ 46 struct pthread *curthread = _get_curthread(); 47 int ret; 48 va_list ap; 49 50 _thr_enter_cancellation_point(curthread); 51 52 va_start(ap, cmd); 53 switch (cmd) { 54 case F_DUPFD: 55 case F_SETFD: 56 case F_SETFL: 57 ret = __sys_fcntl(fd, cmd, va_arg(ap, int)); 58 break; 59 case F_GETFD: 60 case F_GETFL: 61 ret = __sys_fcntl(fd, cmd); 62 break; 63 default: 64 ret = __sys_fcntl(fd, cmd, va_arg(ap, void *)); 65 } 66 va_end(ap); 67 68 _thr_leave_cancellation_point(curthread); 69 70 return (ret); 71} 72