358cb8e568
shutdown gracefully, i.e. NP_Shutdown gets called. To ensure that we handle the case of a hung plugin, we handle the OnChannelError notification in the IPC message filter implementation in the plugin process and post a delayed task to kill the process. Fixes bug http://code.google.com/p/chromium/issues/detail?id=48178 BUG=48178 Review URL: http://codereview.chromium.org/6992006 TBR=ananta@chromium.org Review URL: http://codereview.chromium.org/7065048 TBR=nsylvain@chromium.org Review URL: http://codereview.chromium.org/7053008 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86554 0039d316-1c4b-4281-b951-d872f2087c98
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_
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#define CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_
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#pragma once
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#include "base/basictypes.h"
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#include "base/memory/ref_counted.h"
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#include "base/process_util.h"
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class CommandLine;
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// Launches a process asynchronously and notifies the client of the process
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// handle when it's available. It's used to avoid blocking the calling thread
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// on the OS since often it can take > 100 ms to create the process.
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class ChildProcessLauncher {
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public:
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class Client {
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public:
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// Will be called on the thread that the ChildProcessLauncher was
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// constructed on.
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virtual void OnProcessLaunched() = 0;
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protected:
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virtual ~Client() {}
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};
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// Launches the process asynchronously, calling the client when the result is
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// ready. Deleting this object before the process is created is safe, since
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// the callback won't be called. If the process is still running by the time
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// this object destructs, it will be terminated.
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// Takes ownership of cmd_line.
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ChildProcessLauncher(
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#if defined(OS_WIN)
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const FilePath& exposed_dir,
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#elif defined(OS_POSIX)
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bool use_zygote,
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const base::environment_vector& environ,
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int ipcfd,
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#endif
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CommandLine* cmd_line,
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Client* client);
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~ChildProcessLauncher();
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// True if the process is being launched and so the handle isn't available.
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bool IsStarting();
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// Getter for the process handle. Only call after the process has started.
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base::ProcessHandle GetHandle();
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// Call this when the child process exits to know what happened to
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// it. |exit_code| is the exit code of the process if it exited
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// (e.g. status from waitpid if on posix, from GetExitCodeProcess on
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// Windows). |exit_code| may be NULL.
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base::TerminationStatus GetChildTerminationStatus(int* exit_code);
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// Changes whether the process runs in the background or not. Only call
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// this after the process has started.
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void SetProcessBackgrounded(bool background);
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// Controls whether the child process should be terminated on browser
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// shutdown.
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void SetTerminateChildOnShutdown(bool terminate_on_shutdown);
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private:
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class Context;
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scoped_refptr<Context> context_;
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DISALLOW_COPY_AND_ASSIGN(ChildProcessLauncher);
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};
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#endif // CONTENT_BROWSER_CHILD_PROCESS_LAUNCHER_H_
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