thr_open.c revision 25402
113546Sjulian/* 213546Sjulian * Copyright (c) 1995 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 2313546Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS 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 * 3225402Sjb * $Id$ 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 4513546Sjulianopen(const char *path, int flags,...) 4613546Sjulian{ 4713546Sjulian int fd; 4813546Sjulian int mode = 0; 4913546Sjulian int status; 5013546Sjulian va_list ap; 5113546Sjulian 5213546Sjulian /* Block signals: */ 5313546Sjulian _thread_kern_sig_block(&status); 5413546Sjulian 5513546Sjulian /* Check if the file is being created: */ 5613546Sjulian if (flags & O_CREAT) { 5713546Sjulian /* Get the creation mode: */ 5813546Sjulian va_start(ap, flags); 5913546Sjulian mode = va_arg(ap, int); 6013546Sjulian va_end(ap); 6113546Sjulian } 6217706Sjulian /* Open the file: */ 6317706Sjulian if ((fd = _thread_sys_open(path, flags, mode)) < 0) { 6413546Sjulian } 6513546Sjulian /* Initialise the file descriptor table entry: */ 6613546Sjulian else if (_thread_fd_table_init(fd) != 0) { 6713546Sjulian /* Quietly close the file: */ 6813546Sjulian _thread_sys_close(fd); 6913546Sjulian 7013546Sjulian /* Reset the file descriptor: */ 7113546Sjulian fd = -1; 7213546Sjulian } 7313546Sjulian 7413546Sjulian /* Unblock signals: */ 7513546Sjulian _thread_kern_sig_unblock(status); 7613546Sjulian 7713546Sjulian /* Return the file descriptor or -1 on error: */ 7813546Sjulian return (fd); 7913546Sjulian} 8013546Sjulian#endif 81