gecko-dev/ipc/glue/GeckoChildProcessHost.h

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla IPC.
*
* The Initial Developer of the Original Code is
* Ben Turner <bent.mozilla@gmail.com>.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef __IPC_GLUE_GECKOCHILDPROCESSHOST_H__
#define __IPC_GLUE_GECKOCHILDPROCESSHOST_H__
#include "base/file_path.h"
#include "base/process_util.h"
#include "base/scoped_ptr.h"
#include "base/waitable_event.h"
#include "chrome/common/child_process_host.h"
#include "mozilla/Monitor.h"
#include "nsXULAppAPI.h" // for GeckoProcessType
#include "nsString.h"
namespace mozilla {
namespace ipc {
class GeckoChildProcessHost : public ChildProcessHost
{
protected:
typedef mozilla::Monitor Monitor;
public:
typedef base::ProcessHandle ProcessHandle;
GeckoChildProcessHost(GeckoProcessType aProcessType=GeckoProcessType_Default,
base::WaitableEventWatcher::Delegate* aDelegate=nsnull);
~GeckoChildProcessHost();
static nsresult GetArchitecturesForBinary(const char *path, uint32 *result);
static uint32 GetSupportedArchitecturesForProcessType(GeckoProcessType type);
bool SyncLaunch(std::vector<std::string> aExtraOpts=std::vector<std::string>(),
int32 timeoutMs=0,
base::ProcessArchitecture arch=base::GetCurrentProcessArchitecture());
bool AsyncLaunch(std::vector<std::string> aExtraOpts=std::vector<std::string>());
bool PerformAsyncLaunch(std::vector<std::string> aExtraOpts=std::vector<std::string>(),
base::ProcessArchitecture arch=base::GetCurrentProcessArchitecture());
virtual void OnChannelConnected(int32 peer_pid);
virtual void OnMessageReceived(const IPC::Message& aMsg);
virtual void OnChannelError();
void InitializeChannel();
virtual bool CanShutdown() { return true; }
virtual void OnWaitableEventSignaled(base::WaitableEvent *event);
IPC::Channel* GetChannel() {
return channelp();
}
base::WaitableEvent* GetShutDownEvent() {
return GetProcessEvent();
}
ProcessHandle GetChildProcessHandle() {
return mChildProcessHandle;
}
#ifdef XP_MACOSX
task_t GetChildTask() {
return mChildTask;
}
#endif
protected:
GeckoProcessType mProcessType;
Monitor mMonitor;
bool mLaunched;
bool mChannelInitialized;
FilePath mProcessPath;
static PRInt32 mChildCounter;
#ifdef XP_WIN
void InitWindowsGroupID();
nsString mGroupId;
#endif
#if defined(OS_POSIX)
base::file_handle_mapping_vector mFileMap;
#endif
base::WaitableEventWatcher::Delegate* mDelegate;
ProcessHandle mChildProcessHandle;
#if defined(OS_MACOSX)
task_t mChildTask;
#endif
private:
DISALLOW_EVIL_CONSTRUCTORS(GeckoChildProcessHost);
// Does the actual work for AsyncLaunch, on the IO thread.
bool PerformAsyncLaunchInternal(std::vector<std::string>& aExtraOpts,
base::ProcessArchitecture arch);
};
} /* namespace ipc */
} /* namespace mozilla */
#endif /* __IPC_GLUE_GECKOCHILDPROCESSHOST_H__ */