exit.c revision 1573
1123550Smaxim/*- 2123550Smaxim * Copyright (c) 1990, 1993 3123550Smaxim * The Regents of the University of California. All rights reserved. 4123550Smaxim * 5123550Smaxim * Redistribution and use in source and binary forms, with or without 6123550Smaxim * modification, are permitted provided that the following conditions 7123550Smaxim * are met: 8123550Smaxim * 1. Redistributions of source code must retain the above copyright 9123550Smaxim * notice, this list of conditions and the following disclaimer. 10123550Smaxim * 2. Redistributions in binary form must reproduce the above copyright 11123550Smaxim * notice, this list of conditions and the following disclaimer in the 12123863Smaxim * documentation and/or other materials provided with the distribution. 13123863Smaxim * 3. All advertising materials mentioning features or use of this software 14123863Smaxim * must display the following acknowledgement: 15123863Smaxim * This product includes software developed by the University of 16123863Smaxim * California, Berkeley and its contributors. 17123863Smaxim * 4. Neither the name of the University nor the names of its contributors 18123863Smaxim * may be used to endorse or promote products derived from this software 19211819Sosa * without specific prior written permission. 20123863Smaxim * 21123863Smaxim * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22123863Smaxim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23123863Smaxim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24123863Smaxim * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25123863Smaxim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26123863Smaxim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27123550Smaxim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28123550Smaxim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint) 35static char sccsid[] = "@(#)exit.c 8.1 (Berkeley) 6/4/93"; 36#endif /* LIBC_SCCS and not lint */ 37 38#include <stdlib.h> 39#include <unistd.h> 40#include "atexit.h" 41 42void (*__cleanup)(); 43 44/* 45 * Exit, flushing stdio buffers if necessary. 46 */ 47void 48exit(status) 49 int status; 50{ 51 register struct atexit *p; 52 register int n; 53 54 for (p = __atexit; p; p = p->next) 55 for (n = p->ind; --n >= 0;) 56 (*p->fns[n])(); 57 if (__cleanup) 58 (*__cleanup)(); 59 _exit(status); 60} 61