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f721e69bc1
Remove the paragraph about writing to the Free Software Foundation's mailing address. The FSF has changed addresses in the past, and may do so again. In 2021 this is not useful, let's rather have a bit less boilerplate at the start of source files. Change-Id: Ie0a3b2273383adbb3303faffd6ff96be7f4cae99
101 lines
2.2 KiB
C
101 lines
2.2 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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*/
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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 <assert.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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__attribute__ ((format (printf, 1, 0)))
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static void osmo_panic_default(const char *fmt, va_list args)
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{
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vfprintf_sync(stderr, fmt, args);
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osmo_generate_backtrace();
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assert(0);
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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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__attribute__ ((format (printf, 1, 0)))
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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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