diff options
Diffstat (limited to 'lib/libpthread/thread/thr_fcntl.c')
-rw-r--r-- | lib/libpthread/thread/thr_fcntl.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/lib/libpthread/thread/thr_fcntl.c b/lib/libpthread/thread/thr_fcntl.c deleted file mode 100644 index f83ee50..0000000 --- a/lib/libpthread/thread/thr_fcntl.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright (c) 1995 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 REGENTS 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. - * - */ -#include <stdarg.h> -#include <unistd.h> -#include <fcntl.h> -#ifdef _THREAD_SAFE -#include <pthread.h> -#include "pthread_private.h" - -int -fcntl(int fd, int cmd,...) -{ - int flags = 0; - int oldfd; - int ret; - int status; - va_list ap; - - /* Block signals: */ - _thread_kern_sig_block(&status); - - /* Lock the file descriptor: */ - if ((ret = _thread_fd_lock(fd, FD_RDWR, NULL, __FILE__, __LINE__)) == 0) { - /* Initialise the variable argument list: */ - va_start(ap, cmd); - - /* Process according to file control command type: */ - switch (cmd) { - /* Duplicate a file descriptor: */ - case F_DUPFD: - /* - * Get the file descriptor that the caller wants to - * use: - */ - oldfd = va_arg(ap, int); - - /* Initialise the file descriptor table entry: */ - if ((ret = _thread_sys_fcntl(fd, cmd, oldfd)) < 0) { - } - /* Initialise the file descriptor table entry: */ - else if (_thread_fd_table_init(ret) != 0) { - /* Quietly close the file: */ - _thread_sys_close(ret); - - /* Reset the file descriptor: */ - ret = -1; - } else { - /* - * Save the file open flags so that they can - * be checked later: - */ - _thread_fd_table[ret]->flags = _thread_fd_table[fd]->flags; - } - break; - case F_SETFD: - break; - case F_GETFD: - break; - case F_GETFL: - ret = _thread_fd_table[fd]->flags; - break; - case F_SETFL: - flags = va_arg(ap, int); - if ((ret = _thread_sys_fcntl(fd, cmd, flags | O_NONBLOCK)) == 0) { - _thread_fd_table[fd]->flags = flags; - } - break; - default: - /* Might want to make va_arg use a union */ - ret = _thread_sys_fcntl(fd, cmd, va_arg(ap, void *)); - break; - } - - /* Free variable arguments: */ - va_end(ap); - - /* Unlock the file descriptor: */ - _thread_fd_unlock(fd, FD_RDWR); - } - /* Unblock signals: */ - _thread_kern_sig_unblock(status); - - /* Return the completion status: */ - return (ret); -} -#endif |