diff options
Diffstat (limited to 'lib/libpthread/uthread/uthread_openat.c')
| -rw-r--r-- | lib/libpthread/uthread/uthread_openat.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/libpthread/uthread/uthread_openat.c b/lib/libpthread/uthread/uthread_openat.c new file mode 100644 index 00000000000..8b68c7d0026 --- /dev/null +++ b/lib/libpthread/uthread/uthread_openat.c @@ -0,0 +1,81 @@ +/* $OpenBSD: uthread_openat.c,v 1.1 2012/01/17 02:52:39 guenther Exp $ */ +/* + * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by John Birrell. + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: uthread_open.c,v 1.6 1999/08/28 00:03:42 peter Exp $ + * + */ +#include <stdarg.h> +#include <unistd.h> +#include <fcntl.h> +#include <dirent.h> +#include <errno.h> +#ifdef _THREAD_SAFE +#include <pthread.h> +#include "pthread_private.h" + +int +openat(int atfd, const char *path, int flags,...) +{ + int fd; + int mode = 0; + va_list ap; + + /* This is a cancellation point: */ + _thread_enter_cancellation_point(); + + /* Check if the file is being created: */ + if (flags & O_CREAT) { + /* Get the creation mode: */ + va_start(ap, flags); + mode = va_arg(ap, int); + va_end(ap); + } + + /* Open the file: */ + if ((fd = _thread_sys_openat(atfd, path, flags, mode)) < 0) { + } + /* Initialise the file descriptor table entry: */ + else if (_thread_fd_table_init(fd, FD_INIT_NEW, NULL) != 0) { + /* Quietly close the file: */ + _thread_sys_close(fd); + + /* Reset the file descriptor: */ + fd = -1; + } + + /* No longer in a cancellation point: */ + _thread_leave_cancellation_point(); + + /* Return the file descriptor or -1 on error: */ + return (fd); +} +#endif |