thr_open.c revision 56698
113546Sjulian/* 235509Sjb * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> 313546Sjulian * All rights reserved. 413546Sjulian * 513546Sjulian * Redistribution and use in source and binary forms, with or without 613546Sjulian * modification, are permitted provided that the following conditions 713546Sjulian * are met: 813546Sjulian * 1. Redistributions of source code must retain the above copyright 913546Sjulian * notice, this list of conditions and the following disclaimer. 1013546Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1113546Sjulian * notice, this list of conditions and the following disclaimer in the 1213546Sjulian * documentation and/or other materials provided with the distribution. 1313546Sjulian * 3. All advertising materials mentioning features or use of this software 1413546Sjulian * must display the following acknowledgement: 1513546Sjulian * This product includes software developed by John Birrell. 1613546Sjulian * 4. Neither the name of the author nor the names of any co-contributors 1713546Sjulian * may be used to endorse or promote products derived from this software 1813546Sjulian * without specific prior written permission. 1913546Sjulian * 2013546Sjulian * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 2113546Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2213546Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2349439Sdeischen * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2413546Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2513546Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2613546Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2713546Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2813546Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2913546Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3013546Sjulian * SUCH DAMAGE. 3113546Sjulian * 3250476Speter * $FreeBSD: head/lib/libkse/thread/thr_open.c 56698 2000-01-27 23:07:25Z jasone $ 3325402Sjb * 3413546Sjulian */ 3513546Sjulian#include <stdarg.h> 3617706Sjulian#include <unistd.h> 3713546Sjulian#include <fcntl.h> 3813546Sjulian#include <dirent.h> 3925402Sjb#include <errno.h> 4013546Sjulian#ifdef _THREAD_SAFE 4113546Sjulian#include <pthread.h> 4213546Sjulian#include "pthread_private.h" 4313546Sjulian 4413546Sjulianint 4556698Sjasone_open(const char *path, int flags,...) 4613546Sjulian{ 4753812Salfred int fd; 4853812Salfred int mode = 0; 4953812Salfred va_list ap; 5013546Sjulian 5113546Sjulian /* Check if the file is being created: */ 5213546Sjulian if (flags & O_CREAT) { 5313546Sjulian /* Get the creation mode: */ 5413546Sjulian va_start(ap, flags); 5513546Sjulian mode = va_arg(ap, int); 5613546Sjulian va_end(ap); 5713546Sjulian } 5817706Sjulian /* Open the file: */ 5917706Sjulian if ((fd = _thread_sys_open(path, flags, mode)) < 0) { 6013546Sjulian } 6113546Sjulian /* Initialise the file descriptor table entry: */ 6213546Sjulian else if (_thread_fd_table_init(fd) != 0) { 6313546Sjulian /* Quietly close the file: */ 6413546Sjulian _thread_sys_close(fd); 6513546Sjulian 6613546Sjulian /* Reset the file descriptor: */ 6713546Sjulian fd = -1; 6813546Sjulian } 6913546Sjulian 7013546Sjulian /* Return the file descriptor or -1 on error: */ 7113546Sjulian return (fd); 7213546Sjulian} 7355838Sjasone 7456698Sjasoneint 7556698Sjasoneopen(const char *path, int flags,...) 7656698Sjasone{ 7756698Sjasone int ret; 7856698Sjasone int mode = 0; 7956698Sjasone va_list ap; 8056698Sjasone 8156698Sjasone _thread_enter_cancellation_point(); 8256698Sjasone 8356698Sjasone /* Check if the file is being created: */ 8456698Sjasone if (flags & O_CREAT) { 8556698Sjasone /* Get the creation mode: */ 8656698Sjasone va_start(ap, flags); 8756698Sjasone mode = va_arg(ap, int); 8856698Sjasone va_end(ap); 8956698Sjasone } 9056698Sjasone 9156698Sjasone ret = _open(path, flags, mode); 9256698Sjasone _thread_leave_cancellation_point(); 9356698Sjasone 9456698Sjasone return ret; 9556698Sjasone} 9613546Sjulian#endif 97