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Diffstat (limited to 'mit-pthreads/pthreads/_exit.c')
| -rw-r--r-- | mit-pthreads/pthreads/_exit.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/mit-pthreads/pthreads/_exit.c b/mit-pthreads/pthreads/_exit.c new file mode 100644 index 00000000000..fde795011ce --- /dev/null +++ b/mit-pthreads/pthreads/_exit.c @@ -0,0 +1,80 @@ +/* ==== _exit.c ============================================================ + * Copyright (c) 1994 by Chris Provenzano, proven@mit.edu + * 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 Chris Provenzano. + * 4. The name of Chris Provenzano may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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. + * + * Description : The locking functions for stdio. + * + * 1.00 94/09/04 proven + * -Started coding this file. + */ + +#ifndef lint +static const char rcsid[] = "$Id$"; +#endif + +#include <pthread.h> +#include <fcntl.h> + +/* ========================================================================== + * _exit() + * + * Change all file descriptors back to their original state, + * before exiting for good. + */ +void _exit(int status) +{ + int fd; + + pthread_sched_prevent(); + + for (fd = 0; fd < dtablesize; fd++) { + if (fd_table[fd] == NULL) { + continue; + } + /* Is it a kernel fd ? */ + if ((!fd_table[fd]->ops) || (fd_table[fd]->ops->use_kfds != 1)) { + continue; + } + switch (fd_table[fd]->type) { + case FD_HALF_DUPLEX: + machdep_sys_fcntl(fd_table[fd]->fd.i, F_SETFL, fd_table[fd]->flags); + fd_table[fd]->type = FD_TEST_HALF_DUPLEX; + break; + case FD_FULL_DUPLEX: + machdep_sys_fcntl(fd_table[fd]->fd.i, F_SETFL, fd_table[fd]->flags); + fd_table[fd]->type = FD_TEST_FULL_DUPLEX; + break; + default: + break; + } + } + machdep_sys_exit(status); +} + |