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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_SRC_SIGNAL_CATCHER_H_
#define ART_SRC_SIGNAL_CATCHER_H_
#include "mutex.h"
namespace art {
class Runtime;
class Thread;
/*
* A thread that catches signals and does something useful. For
* example, when a SIGQUIT (Ctrl-\) arrives, we suspend and dump the
* status of all threads.
*/
class SignalCatcher {
public:
SignalCatcher();
~SignalCatcher();
static void HandleSigQuit();
private:
static void* Run(void* arg);
static void HandleSigUsr1();
void SetHaltFlag(bool new_value);
bool ShouldHalt();
mutable Mutex lock_;
bool halt_;
ConditionVariable cond_;
pthread_t pthread_;
Thread* thread_;
};
} // namespace art
#endif // ART_SRC_SIGNAL_CATCHER_H_
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