milvus/core/src/utils/SignalUtil.cpp
starlord 41d37f9648 re-organize project
Former-commit-id: 898c2c8b0b2cfdc1b8664062aa0ea910a93566dd
2019-10-14 09:51:48 +08:00

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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "utils/SignalUtil.h"
#include "src/server/Server.h"
#include "utils/Log.h"
#include <execinfo.h>
#include <signal.h>
#include <string>
namespace milvus {
namespace server {
void
SignalUtil::HandleSignal(int signum) {
switch (signum) {
case SIGINT:
case SIGUSR2: {
SERVER_LOG_INFO << "Server received signal: " << signum;
server::Server& server = server::Server::GetInstance();
server.Stop();
exit(0);
}
default: {
SERVER_LOG_INFO << "Server received critical signal: " << signum;
SignalUtil::PrintStacktrace();
server::Server& server = server::Server::GetInstance();
server.Stop();
exit(1);
}
}
}
void
SignalUtil::PrintStacktrace() {
SERVER_LOG_INFO << "Call stack:";
const int size = 32;
void* array[size];
int stack_num = backtrace(array, size);
char** stacktrace = backtrace_symbols(array, stack_num);
for (int i = 0; i < stack_num; ++i) {
std::string info = stacktrace[i];
SERVER_LOG_INFO << info;
}
free(stacktrace);
}
} // namespace server
} // namespace milvus