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77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/* Copyright (C) 1991-2014 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _EXIT_H
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#define _EXIT_H 1
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#include <stdbool.h>
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#include <stdint.h>
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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, int status);
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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 attribute_hidden;
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extern struct exit_function_list *__quick_exit_funcs attribute_hidden;
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extern struct exit_function *__new_exitfn (struct exit_function_list **listp);
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extern uint64_t __new_exitfn_called attribute_hidden;
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extern void __run_exit_handlers (int status, struct exit_function_list **listp,
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bool run_list_atexit)
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attribute_hidden __attribute__ ((__noreturn__));
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extern int __internal_atexit (void (*func) (void *), void *arg, void *d,
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struct exit_function_list **listp)
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attribute_hidden;
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extern int __cxa_at_quick_exit (void (*func) (void *), void *d);
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#endif /* exit.h */
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