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/*
* Copyright (C) 2014 Freie Universitaet Berlin (FUB) and INRIA
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup core_util
* @{
*
* @file crash.c
* @brief Crash handling functions implementation for 'native' port
*
* @author Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
* @author Kévin Roussel <Kevin.Roussel@inria.fr>
*/
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include "crash.h"
#include "native_internal.h"
/* "public" variables holding the crash data (look for them in your debugger) */
char panic_str[80];
int panic_code;
/* flag preventing "recursive crash printing loop" */
static int crashed = 0;
NORETURN void core_panic(int crash_code, const char *message)
{
if (crashed == 0) {
crashed = 1;
/* copy the crash data to "long-lived" global variables */
panic_code = crash_code;
strncpy(panic_str, message, 80);
/* try to print panic message to console (if possible) */
puts("******** SYSTEM FAILURE ********\n");
puts(message);
#if DEVELHELP
puts("******** RIOT HALTS HERE ********\n");
#else
puts("******** RIOT WILL REBOOT ********\n");
#endif
puts("\n\n");
}
dINT();
#if DEVELHELP
/* since we're atop an Unix-like platform,
just use the (developer-)friendly core-dump feature */
kill(_native_pid, SIGTRAP);
#else
(void) reboot(RB_AUTOBOOT);
#endif
/* tell the compiler that we won't return from this function
(even if we actually won't even get here...) */
UNREACHABLE();
}