81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "runtime/helpers/abort.h"
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#include <cstdlib>
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#include <cstdio>
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#include <execinfo.h>
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#include <signal.h>
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#include <setjmp.h>
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static jmp_buf jmpbuf;
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class SafetyGuardLinux {
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public:
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SafetyGuardLinux() {
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struct sigaction sigact;
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sigact.sa_sigaction = sigAction;
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sigact.sa_flags = SA_RESTART | SA_SIGINFO;
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sigaction(SIGSEGV, &sigact, (struct sigaction *)NULL);
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sigaction(SIGILL, &sigact, (struct sigaction *)NULL);
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}
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static void sigAction(int sig_num, siginfo_t *info, void *ucontext) {
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const int callstackDepth = 30;
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void *addresses[callstackDepth];
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char **callstack;
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int backtraceSize = 0;
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backtraceSize = backtrace(addresses, callstackDepth);
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callstack = backtrace_symbols(addresses, backtraceSize);
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for (int i = 0; i < backtraceSize; ++i) {
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printf("[%d]: %s\n", i, callstack[i]);
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}
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free(callstack);
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longjmp(jmpbuf, 1);
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}
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template <typename T, typename Object, typename Method>
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T call(Object *object, Method method, T retValueOnCrash) {
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int jump = 0;
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jump = setjmp(jmpbuf);
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if (jump == 0) {
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return (object->*method)();
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} else {
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if (onSigSegv) {
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onSigSegv();
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} else {
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OCLRT::abortExecution();
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}
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}
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return retValueOnCrash;
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}
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typedef void (*callbackFunction)();
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callbackFunction onSigSegv = nullptr;
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};
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