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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_COMMON_PROCESS_WATCHER_H__
#define CHROME_COMMON_PROCESS_WATCHER_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(ProcessHandle process_handle);
private:
// Do not instantiate this class.
ProcessWatcher();
DISALLOW_EVIL_CONSTRUCTORS(ProcessWatcher);
};
#endif // CHROME_COMMON_PROCESS_WATCHER_H__
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