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71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "exit.h"
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#ifdef HAVE_GNU_LD
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#include "set-hooks.h"
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DEFINE_HOOK (__libc_atexit, (void))
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#endif
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/* Call all functions registered with `atexit' and `on_exit',
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in the reverse of the order in which they were registered
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perform stdio cleanup, and terminate program execution with STATUS. */
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void
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DEFUN(exit, (status), int status)
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{
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register CONST struct exit_function_list *l;
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for (l = __exit_funcs; l != NULL; l = l->next)
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{
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register size_t i = l->idx;
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while (i-- > 0)
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{
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CONST struct exit_function *CONST f = &l->fns[i];
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switch (f->flavor)
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{
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case ef_free:
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break;
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case ef_on:
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(*f->func.on.fn)(status, f->func.on.arg);
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break;
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case ef_at:
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(*f->func.at)();
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break;
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}
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}
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}
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#ifdef HAVE_GNU_LD
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RUN_HOOK (__libc_atexit, ());
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#else
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{
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extern void EXFUN(_cleanup, (NOARGS));
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_cleanup();
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}
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#endif
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_exit(status);
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}
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