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64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/* Copyright (C) 1991, 1996, 1997, 1999 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 not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _EXIT_H
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#define _EXIT_H 1
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enum
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{
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ef_free, /* `ef_free' MUST be zero! */
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ef_us,
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ef_on,
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ef_at,
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ef_cxa
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};
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struct exit_function
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{
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/* `flavour' should be of type of the `enum' above but since we need
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this element in an atomic operation we have to use `long int'. */
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long int flavor;
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union
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{
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void (*at) (void);
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struct
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{
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void (*fn) (int status, void *arg);
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void *arg;
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} on;
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struct
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{
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void (*fn) (void *arg);
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void *arg;
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void *dso_handle;
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} cxa;
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} func;
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};
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struct exit_function_list
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{
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struct exit_function_list *next;
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size_t idx;
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struct exit_function fns[32];
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};
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extern struct exit_function_list *__exit_funcs;
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extern struct exit_function *__new_exitfn (void);
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#endif /* exit.h */
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