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/* ==== _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[] = "_exit.c,v 1.1 1995/06/11 00:21:35 hjl Exp";
#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)) {
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);
}
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