ipc/glue/ForkServer.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* vim: set ts=8 sts=4 et sw=4 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6 #ifndef __FORKSERVER_H_
   7 #define __FORKSERVER_H_
   8
   9 #include "mozilla/UniquePtr.h"
  10 #include "base/process_util.h"
  11 #include "mozilla/ipc/MiniTransceiver.h"
  12
  13 namespace mozilla {
  14 namespace ipc {
  15
  16 class ForkServer {
  17  public:
  18   // NOTE: This can re-use the same ID as the initial IPC::Channel, as the
  19   // initial IPC::Channel will not be used by the fork server.
  20   static constexpr int kClientPipeFd = 3;
  21
  22   ForkServer();
  23   ~ForkServer() {};
  24
  25   void InitProcess(int* aArgc, char*** aArgv);
  26   bool HandleMessages();
  27
  28   // Called when a message is received.
  29   void OnMessageReceived(UniquePtr<IPC::Message> message);
  30
  31   static bool RunForkServer(int* aArgc, char*** aArgv);
  32
  33  private:
  34   UniquePtr<MiniTransceiver> mTcver;
  35   UniquePtr<base::AppProcessBuilder> mAppProcBuilder;
  36 };
  37
  38 enum {
  39   Msg_ForkNewSubprocess__ID = 0x7f0,  // a random picked number
  40   Reply_ForkNewSubprocess__ID,
  41 };
  42
  43 }  // namespace ipc
  44 }  // namespace mozilla
  45
  46 #endif  // __FORKSERVER_H_