logger_util.cc

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/******************************************************************************
 * Copyright 2018 The Apollo Authors. All Rights Reserved.
 *
 * Licensed 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 "cyber/logger/logger_util.h"
 
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <unistd.h>
 
#include <cstdint>
#include <cstdlib>
#include <ctime>
#include <string>
#include <vector>
 
#include "glog/logging.h"
 
namespace apollo {
namespace cyber {
namespace logger {
 
static int32_t g_main_thread_pid = getpid();
 
int32_t GetMainThreadPid() { return g_main_thread_pid; }
 
bool PidHasChanged() {
  int32_t pid = getpid();
  if (g_main_thread_pid == pid) {
    return false;
  }
  g_main_thread_pid = pid;
  return true;
}
 
}  // namespace logger
}  // namespace cyber
}  // namespace apollo