93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
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Derived from exit.h in GNU C Library.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. 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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#define attribute_hidden
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#define INTDEF(name)
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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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extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
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extern int __cxa_atexit_internal (void (*func) (void *), void *arg, void *d)
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attribute_hidden;
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extern void __cxa_finalize (void *d);
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#endif /* exit.h */
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