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- /* Copyright (C) 1991-2022 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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