nsProcess.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _nsPROCESSWIN_H_

#define _nsPROCESSWIN_H_

#if defined(XP_WIN)

#  define PROCESSMODEL_WINAPI

#endif

#include "mozilla/Attributes.h"

#include "mozilla/Mutex.h"

#include "nsIProcess.h"

#include "nsIObserver.h"

#include "nsMaybeWeakPtr.h"

#include "nsString.h"

#ifndef XP_UNIX

#  include "prproces.h"

#endif

#if defined(PROCESSMODEL_WINAPI)

#  include <windows.h>

#  include <shellapi.h>

#endif

#define NS_PROCESS_CID                               \

  {                                                  \

    0x7b4eeb20, 0xd781, 0x11d4, {                    \

      0x8A, 0x83, 0x00, 0x10, 0xa4, 0xe0, 0xc9, 0xca \

    }                                                \

class nsIFile;

class nsProcess final : public nsIProcess, public nsIObserver {

 public:

  NS_DECL_THREADSAFE_ISUPPORTS

  NS_DECL_NSIPROCESS

  NS_DECL_NSIOBSERVER

  nsProcess();

 private:

  ~nsProcess();

  PRThread* CreateMonitorThread();

  static void Monitor(void* aArg);

  void ProcessComplete();

  nsresult CopyArgsAndRunProcess(bool aBlocking, const char** aArgs,

                                 uint32_t aCount, nsIObserver* aObserver,

                                 bool aHoldWeak);

  nsresult CopyArgsAndRunProcessw(bool aBlocking, const char16_t** aArgs,

                                  uint32_t aCount, nsIObserver* aObserver,

                                  bool aHoldWeak);

  // The 'args' array is null-terminated.

  nsresult RunProcess(bool aBlocking, char** aArgs, nsIObserver* aObserver,

                      bool aHoldWeak, bool aArgsUTF8);

  PRThread* mThread;

  mozilla::Mutex mLock;

  bool mShutdown MOZ_GUARDED_BY(mLock);

  bool mBlocking;

  bool mStartHidden;

  bool mNoShell;

  nsCOMPtr<nsIFile> mExecutable;

  nsString mTargetPath;

  int32_t mPid;

  nsMaybeWeakPtr<nsIObserver> mObserver;

  // These members are modified by multiple threads, any accesses should be

  // protected with mLock.

  int32_t mExitValue MOZ_GUARDED_BY(mLock);

#if defined(PROCESSMODEL_WINAPI)

  HANDLE mProcess MOZ_GUARDED_BY(mLock);

#elif !defined(XP_UNIX)

  PRProcess* mProcess MOZ_GUARDED_BY(mLock);

#endif

};

#endif