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// Copyright (c) 2006-2008 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 CHROME_COMMON_PROCESS_WATCHER_H_
#define CHROME_COMMON_PROCESS_WATCHER_H_
#include "build/build_config.h"
#include "base/basictypes.h"
#include "base/process_util.h"
class ProcessWatcher {
public:
// This method ensures that the specified process eventually terminates, and
// then it closes the given process handle.
//
// It assumes that the process has already been signalled to exit, and it
// begins by waiting a small amount of time for it to exit. If the process
// does not appear to have exited, then this function starts to become
// aggressive about ensuring that the process terminates.
//
// This method does not block the calling thread.
//
// NOTE: The process handle must have been opened with the PROCESS_TERMINATE
// and SYNCHRONIZE permissions.
//
static void EnsureProcessTerminated(base::ProcessHandle process_handle);
#if defined(OS_POSIX)
// The nicer version of EnsureProcessTerminated() that is patient and will
// wait for |process_handle| to finish and then reap it.
static void EnsureProcessGetsReaped(base::ProcessHandle process_handle);
#endif
private:
// Do not instantiate this class.
ProcessWatcher();
DISALLOW_COPY_AND_ASSIGN(ProcessWatcher);
};
#endif // CHROME_COMMON_PROCESS_WATCHER_H_
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