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/* Copyright (C) 1991-2024 Free Software Foundation, Inc.
Derived from exit.h in GNU C Library.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _EXIT_H
#define _EXIT_H 1
#define attribute_hidden
#define INTDEF(name)
#include <stdbool.h>
#include <stdint.h>
enum
{
ef_free, /* `ef_free' MUST be zero! */
ef_us,
ef_on,
ef_at,
ef_cxa
};
struct exit_function
{
/* `flavour' should be of type of the `enum' above but since we need
this element in an atomic operation we have to use `long int'. */
long int flavor;
union
{
void (*at) (void);
struct
{
void (*fn) (int status, void *arg);
void *arg;
} on;
struct
{
void (*fn) (void *arg, int status);
void *arg;
void *dso_handle;
} cxa;
} func;
};
struct exit_function_list
{
struct exit_function_list *next;
size_t idx;
struct exit_function fns[32];
};
extern struct exit_function_list *__exit_funcs attribute_hidden;
extern struct exit_function_list *__quick_exit_funcs attribute_hidden;
extern struct exit_function *__new_exitfn (struct exit_function_list **listp);
extern uint64_t __new_exitfn_called attribute_hidden;
extern void __run_exit_handlers (int status, struct exit_function_list **listp,
bool run_list_atexit)
attribute_hidden __attribute__ ((__noreturn__));
extern int __internal_atexit (void (*func) (void *), void *arg, void *d,
struct exit_function_list **listp)
attribute_hidden;
extern int __cxa_at_quick_exit (void (*func) (void *), void *d);
extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
extern int __cxa_atexit_internal (void (*func) (void *), void *arg, void *d)
attribute_hidden;
extern void __cxa_finalize (void *d);
#endif /* exit.h */
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