50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* SigStack.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "flow/flow.h"
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#include "fdbclient/StackLineage.h"
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#include <csignal>
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#include <iostream>
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#include <string_view>
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// This is not yet correct, as this is not async safe
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// However, this should be good enough for an initial
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// proof of concept.
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extern "C" void stackSignalHandler(int sig) {
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auto stack = getActorStackTrace();
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int i = 0;
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while (!stack.empty()) {
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auto s = stack.back();
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stack.pop_back();
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std::string_view n(reinterpret_cast<const char*>(s.begin()), s.size());
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std::cout << i << ": " << n << std::endl;
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++i;
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}
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}
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#ifdef _WIN32
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#define SIGUSR1 10
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#define SIGUSR2 12
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#endif
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void setupStackSignal() {
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std::signal(SIGUSR1, &stackSignalHandler);
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}
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