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/*
* Copyright (C) 2012 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#import "config.h"
#import "ChildProcess.h"
namespace WebKit {
NSString * const ChildProcess::processSuppressionVisibleApplicationReason = @"Application is Visible";
void ChildProcess::setApplicationIsOccluded(bool applicationIsOccluded)
{
if (m_applicationIsOccluded == applicationIsOccluded)
return;
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
m_applicationIsOccluded = applicationIsOccluded;
if (m_applicationIsOccluded)
enableProcessSuppression(processSuppressionVisibleApplicationReason);
else
disableProcessSuppression(processSuppressionVisibleApplicationReason);
#endif
}
void ChildProcess::disableProcessSuppression(NSString *reason)
{
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
// The following assumes that a process enabling AutomaticTerminationSupport also
// takes a AutomaticTermination assertion for the lifetime of the process.
[[NSProcessInfo processInfo] disableAutomaticTermination:reason];
#endif
}
void ChildProcess::enableProcessSuppression(NSString *reason)
{
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
// The following assumes that a process enabling AutomaticTerminationSupport also
// takes a AutomaticTermination assertion for the lifetime of the process.
[[NSProcessInfo processInfo] enableAutomaticTermination:reason];
#endif
}
void ChildProcess::platformInitialize()
{
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
setpriority(PRIO_DARWIN_PROCESS, 0, 0);
#endif
disableProcessSuppression(processSuppressionVisibleApplicationReason);
}
}
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