/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <pthread.h>
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#include <semaphore.h>
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struct loopermessage;
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class looper {
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public:
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looper();
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looper& operator=(const looper& ) = delete;
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looper(looper&) = delete;
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virtual ~looper();
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void post(int what, void *data, bool flush = false);
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void quit();
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virtual void handle(int what, void *data);
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private:
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void addmsg(loopermessage *msg, bool flush);
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static void* trampoline(void* p);
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void loop();
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loopermessage *head;
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pthread_t worker;
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sem_t headwriteprotect;
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sem_t headdataavailable;
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bool running;
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};
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