X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/e3cf15b684ccf1496b6a682c8d46192674711eb2..9385eb3d10ebe5eb398c52040ec3dbfba9b0cdcf:/stdlib/FreeBSD/exit.c?ds=sidebyside diff --git a/stdlib/FreeBSD/exit.c b/stdlib/FreeBSD/exit.c new file mode 100644 index 0000000..6fefb36 --- /dev/null +++ b/stdlib/FreeBSD/exit.c @@ -0,0 +1,78 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. 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 the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)exit.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include +__FBSDID("$FreeBSD: src/lib/libc/stdlib/exit.c,v 1.6 2002/03/22 21:53:10 obrien Exp $"); + +#include "namespace.h" +#include +#include +#include "un-namespace.h" +#include "atexit.h" + +void (*__cleanup)(); + +/* + * This variable is zero until a process has created a thread. + * It is used to avoid calling locking functions in libc when they + * are not required. By default, libc is intended to be(come) + * thread-safe, but without a (significant) penalty to non-threaded + * processes. + */ +int __isthreaded = 0; + +/* + * Exit, flushing stdio buffers if necessary. + */ +void +exit(status) + int status; +{ + struct atexit *p; + int n; + + /* Ensure that the auto-initialization routine is linked in: */ + extern int _thread_autoinit_dummy_decl; + + _thread_autoinit_dummy_decl = 1; + + for (p = __atexit; p; p = p->next) + for (n = p->ind; --n >= 0;) + (*p->fns[n])(); + if (__cleanup) + (*__cleanup)(); + _exit(status); +}