ceph/src/global/pidfile.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2011 New Dream Network
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #ifndef CEPH_COMMON_PIDFILE_H
  16 #define CEPH_COMMON_PIDFILE_H
  17
  18 #include <string_view>
  19
  20 // Write a pidfile with the current pid, using the configuration in the
  21 // provided conf structure.
  22 int pidfile_write(std::string_view pid_file);
  23
  24 // Remove the pid file that was previously written by pidfile_write.
  25 // This is safe to call in a signal handler context.
  26 void pidfile_remove();
  27
  28 #endif