mirror of https://gerrit.osmocom.org/libosmocore
103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/* Panic handling */
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/*
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* (C) 2010 by Sylvain Munaut <tnt@246tNt.com>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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/*! \addtogroup utils
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* @{
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*/
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/*! \file panic.c
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* \brief Routines for panic handling
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*/
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#include <osmocom/gsm/gsm_utils.h>
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#include <osmocom/core/panic.h>
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#include <osmocom/core/backtrace.h>
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#include "../config.h"
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static osmo_panic_handler_t osmo_panic_handler = (void*)0;
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#ifndef PANIC_INFLOOP
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#include <stdio.h>
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#include <stdlib.h>
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static void osmo_panic_default(const char *fmt, va_list args)
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{
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vfprintf(stderr, fmt, args);
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osmo_generate_backtrace();
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abort();
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}
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#else
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static void osmo_panic_default(const char *fmt, va_list args)
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{
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while (1);
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}
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#endif
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/*! \brief Terminate the current program with a panic
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*
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* You can call this function in case some severely unexpected situation
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* is detected and the program is supposed to terminate in a way that
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* reports the fact that it terminates.
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*
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* The application can register a panic handler function using \ref
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* osmo_set_panic_handler. If it doesn't, a default panic handler
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* function is called automatically.
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*
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* The default function on most systems will generate a backtrace and
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* then abort() the process.
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*/
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void osmo_panic(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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if (osmo_panic_handler)
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osmo_panic_handler(fmt, args);
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else
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osmo_panic_default(fmt, args);
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va_end(args);
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}
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/*! \brief Set the panic handler
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* \param[in] h New panic handler function
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*
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* This changes the panic handling function from the currently active
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* function to a new call-back function supplied by the caller.
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*/
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void osmo_set_panic_handler(osmo_panic_handler_t h)
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{
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osmo_panic_handler = h;
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}
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/*! @} */
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