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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
#define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
#include "base/environment.h"
#include "base/process/kill.h"
#include "base/process/process_handle.h"
#include "base/process/process_metrics.h"
#include "base/strings/string16.h"
#include "build/build_config.h"
#include "content/common/content_export.h"
#include "content/public/common/process_type.h"
#include "ipc/ipc_sender.h"
namespace base {
class CommandLine;
class FilePath;
}
namespace content {
class BrowserChildProcessHostDelegate;
class ChildProcessHost;
class SandboxedProcessLauncherDelegate;
struct ChildProcessData;
// This represents child processes of the browser process, i.e. plugins. They
// will get terminated at browser shutdown.
class CONTENT_EXPORT BrowserChildProcessHost : public IPC::Sender {
public:
// Used to create a child process host. The delegate must outlive this object.
// |process_type| needs to be either an enum value from ProcessType or an
// embedder-defined value.
static BrowserChildProcessHost* Create(
int process_type,
BrowserChildProcessHostDelegate* delegate);
virtual ~BrowserChildProcessHost() {}
// Derived classes call this to launch the child process asynchronously.
// Takes ownership of |cmd_line| and |delegate|.
virtual void Launch(
SandboxedProcessLauncherDelegate* delegate,
base::CommandLine* cmd_line) = 0;
virtual const ChildProcessData& GetData() const = 0;
// Returns the ChildProcessHost object used by this object.
virtual ChildProcessHost* GetHost() const = 0;
// Returns the termination status of a child. |exit_code| is the
// status returned when the process exited (for posix, as returned
// from waitpid(), for Windows, as returned from
// GetExitCodeProcess()). |exit_code| may be NULL.
// |known_dead| indicates that the child is already dead. On Linux, this
// information is necessary to retrieve accurate information. See
// ChildProcessLauncher::GetChildTerminationStatus() for more details.
virtual base::TerminationStatus GetTerminationStatus(
bool known_dead, int* exit_code) = 0;
// Sets the user-visible name of the process.
virtual void SetName(const base::string16& name) = 0;
// Set the handle of the process. BrowserChildProcessHost will do this when
// the Launch method is used to start the process. However if the owner
// of this object doesn't call Launch and starts the process in another way,
// they need to call this method so that the process handle is associated with
// this object.
virtual void SetHandle(base::ProcessHandle handle) = 0;
// Set the nacl debug stub port of the process.
virtual void SetNaClDebugStubPort(int port) = 0;
#if defined(OS_MACOSX) && !defined(OS_IOS)
// Returns a PortProvider used to get process metrics for child processes.
static base::ProcessMetrics::PortProvider* GetPortProvider();
#endif
};
}; // namespace content
#endif // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
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