95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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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 "wifi_hal.h"
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#include "common.h"
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#ifndef __WIFI_HAL_SYNC_H__
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#define __WIFI_HAL_SYNC_H__
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class Mutex
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{
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private:
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pthread_mutex_t mMutex;
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public:
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Mutex() {
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pthread_mutex_init(&mMutex, NULL);
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}
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~Mutex() {
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pthread_mutex_destroy(&mMutex);
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}
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int tryLock() {
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return pthread_mutex_trylock(&mMutex);
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}
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int lock() {
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return pthread_mutex_lock(&mMutex);
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}
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void unlock() {
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pthread_mutex_unlock(&mMutex);
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}
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};
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class Condition
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{
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private:
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pthread_cond_t mCondition;
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pthread_mutex_t mMutex;
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public:
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Condition() {
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pthread_mutex_init(&mMutex, NULL);
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pthread_cond_init(&mCondition, NULL);
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}
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~Condition() {
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pthread_cond_destroy(&mCondition);
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pthread_mutex_destroy(&mMutex);
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}
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wifi_error wait() {
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int status = pthread_cond_wait(&mCondition, &mMutex);
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return mapKernelErrortoWifiHalError(status);
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}
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wifi_error wait(struct timespec abstime)
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{
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struct timeval now;
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int status;
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gettimeofday(&now,NULL);
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abstime.tv_sec += now.tv_sec;
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if(((abstime.tv_nsec + now.tv_usec*1000) > 1000*1000*1000) || (abstime.tv_nsec + now.tv_usec*1000 < 0))
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{
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abstime.tv_sec += 1;
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abstime.tv_nsec += now.tv_usec * 1000;
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abstime.tv_nsec -= 1000*1000*1000;
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}
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else
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{
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abstime.tv_nsec += now.tv_usec * 1000;
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}
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status = pthread_cond_timedwait(&mCondition, &mMutex, &abstime);
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return mapKernelErrortoWifiHalError(status);
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}
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void signal() {
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pthread_cond_signal(&mCondition);
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}
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};
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#endif
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