mirror of
https://github.com/emqx/neuron.git
synced 2026-10-21 08:45:47 +08:00
Parker Liu
f57880ec89
* Fix some memory leak in serialize/deserialize function * Modify unit test case for data value
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/**
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* NEURON IIoT System for Industry 4.0
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* Copyright (C) 2020-2021 EMQ Technologies Co., Ltd All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define NEU_HAVE_BACKTRACE 1
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#if NEU_HAVE_BACKTRACE
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#include <execinfo.h>
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#endif
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#include "neu_log.h"
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#include "neu_panic.h"
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void neu_show_backtrace(void)
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{
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#if NEU_HAVE_BACKTRACE
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void *frames[50];
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int nframes;
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nframes = backtrace(frames, sizeof(frames) / sizeof(frames[0]));
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if (nframes > 1) {
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char **lines = backtrace_symbols(frames, nframes);
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if (lines == NULL) {
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return;
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}
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for (int i = 1; i < nframes; i++) {
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log_fatal(lines[i]);
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}
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free(lines);
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}
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#endif
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}
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/**
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* neu_panic shows a panic message, a possible stack bracktrace, then aborts
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* the process/program. This should only be called when a condition arises
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* that should not be possible, e.g. a programming assertion failure. It should
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* not be called in situations such as ENOMEM, as neu_panic is fairly rude
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* to any application it may be called from within.
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*/
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void neu_panic(const char *fmt, ...)
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{
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char buf[100];
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char fbuf[93]; // 7 bytes of "panic: "
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va_list va;
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va_start(va, fmt);
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(void) vsnprintf(fbuf, sizeof(fbuf), fmt, va);
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va_end(va);
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(void) snprintf(buf, sizeof(buf), "panic: %s", fbuf);
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log_fatal(buf);
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log_fatal("This message is indicative of a BUG.");
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log_fatal("Report this at https://github.com/neugates/neuron/issues");
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neu_show_backtrace();
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abort();
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}
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