xpcom/threads/nsProcess.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 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
   7 #ifndef _nsPROCESSWIN_H_
   8 #define _nsPROCESSWIN_H_
   9
  10 #if defined(XP_WIN)
  11 #  define PROCESSMODEL_WINAPI
  12 #endif
  13
  14 #include "mozilla/Attributes.h"
  15 #include "mozilla/Mutex.h"
  16 #include "nsIProcess.h"
  17 #include "nsIObserver.h"
  18 #include "nsMaybeWeakPtr.h"
  19 #include "nsString.h"
  20 #ifndef XP_UNIX
  21 #  include "prproces.h"
  22 #endif
  23 #if defined(PROCESSMODEL_WINAPI)
  24 #  include <windows.h>
  25 #  include <shellapi.h>
  26 #endif
  27
  28 #define NS_PROCESS_CID                               \
  29   {                                                  \
  30     0x7b4eeb20, 0xd781, 0x11d4, {                    \
  31       0x8A, 0x83, 0x00, 0x10, 0xa4, 0xe0, 0xc9, 0xca \
  32     }                                                \
  33   }
  34
  35 class nsIFile;
  36
  37 class nsProcess final : public nsIProcess, public nsIObserver {
  38  public:
  39   NS_DECL_THREADSAFE_ISUPPORTS
  40   NS_DECL_NSIPROCESS
  41   NS_DECL_NSIOBSERVER
  42
  43   nsProcess();
  44
  45  private:
  46   ~nsProcess();
  47   PRThread* CreateMonitorThread();
  48   static void Monitor(void* aArg);
  49   void ProcessComplete();
  50   nsresult CopyArgsAndRunProcess(bool aBlocking, const char** aArgs,
  51                                  uint32_t aCount, nsIObserver* aObserver,
  52                                  bool aHoldWeak);
  53   nsresult CopyArgsAndRunProcessw(bool aBlocking, const char16_t** aArgs,
  54                                   uint32_t aCount, nsIObserver* aObserver,
  55                                   bool aHoldWeak);
  56   // The 'args' array is null-terminated.
  57   nsresult RunProcess(bool aBlocking, char** aArgs, nsIObserver* aObserver,
  58                       bool aHoldWeak, bool aArgsUTF8);
  59
  60   PRThread* mThread;
  61   mozilla::Mutex mLock;
  62   bool mShutdown MOZ_GUARDED_BY(mLock);
  63   bool mBlocking;
  64   bool mStartHidden;
  65   bool mNoShell;
  66
  67   nsCOMPtr<nsIFile> mExecutable;
  68   nsString mTargetPath;
  69   int32_t mPid;
  70   nsMaybeWeakPtr<nsIObserver> mObserver;
  71
  72   // These members are modified by multiple threads, any accesses should be
  73   // protected with mLock.
  74   int32_t mExitValue MOZ_GUARDED_BY(mLock);
  75 #if defined(PROCESSMODEL_WINAPI)
  76   HANDLE mProcess MOZ_GUARDED_BY(mLock);
  77 #elif !defined(XP_UNIX)
  78   PRProcess* mProcess MOZ_GUARDED_BY(mLock);
  79 #endif
  80 };
  81
  82 #endif