Mercurial > molko
view libmlk-core/mlk/core/panic.c @ 475:1a1265445157
core: forgot panic_handler
author | David Demelier <markand@malikania.fr> |
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date | Mon, 27 Feb 2023 12:44:13 +0100 |
parents | 01f5580e43d1 |
children | d6757c30658e |
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/* * panic.c -- unrecoverable error handling * * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <assert.h> #include <stdio.h> #include <stdlib.h> #include "error.h" #include "panic.h" static void terminate(void) { fprintf(stderr, "abort: %s\n", error()); abort(); exit(1); } void (*mlk_panic_handler)(void) = terminate; void mlk_panicf(const char *fmt, ...) { assert(fmt); va_list ap; /* * Store the error before calling panic because va_end would not be * called. */ va_start(ap, fmt); errorva(fmt, ap); va_end(ap); mlk_panic(); } void mlk_panicva(const char *fmt, va_list ap) { assert(fmt); assert(mlk_panic_handler); errorva(fmt, ap); mlk_panic(); } void mlk_panic(void) { assert(mlk_panic_handler); mlk_panic_handler(); /* * This should not happen, if it does it means the user did not fully * satisfied the constraint of mlk_panic_handler. */ fprintf(stderr, "abort: panic handler returned\n"); exit(1); }