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/*
* Copyright (C) 2014 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.
*/
#include <pthread.h>
#include "wifi_hal.h"
#include "common.h"
#ifndef __WIFI_HAL_SYNC_H__
#define __WIFI_HAL_SYNC_H__
class Mutex
{
private:
pthread_mutex_t mMutex;
public:
Mutex() {
pthread_mutex_init(&mMutex, NULL);
}
~Mutex() {
pthread_mutex_destroy(&mMutex);
}
int tryLock() {
return pthread_mutex_trylock(&mMutex);
}
int lock() {
return pthread_mutex_lock(&mMutex);
}
void unlock() {
pthread_mutex_unlock(&mMutex);
}
};
class Condition
{
private:
pthread_cond_t mCondition;
pthread_mutex_t mMutex;
public:
Condition() {
pthread_mutex_init(&mMutex, NULL);
pthread_cond_init(&mCondition, NULL);
}
~Condition() {
pthread_cond_destroy(&mCondition);
pthread_mutex_destroy(&mMutex);
}
wifi_error wait() {
int status = pthread_cond_wait(&mCondition, &mMutex);
return mapKernelErrortoWifiHalError(status);
}
wifi_error wait(struct timespec abstime)
{
struct timeval now;
int status;
gettimeofday(&now,NULL);
abstime.tv_sec += now.tv_sec;
if(((abstime.tv_nsec + now.tv_usec*1000) > 1000*1000*1000) || (abstime.tv_nsec + now.tv_usec*1000 < 0))
{
abstime.tv_sec += 1;
abstime.tv_nsec += now.tv_usec * 1000;
abstime.tv_nsec -= 1000*1000*1000;
}
else
{
abstime.tv_nsec += now.tv_usec * 1000;
}
status = pthread_cond_timedwait(&mCondition, &mMutex, &abstime);
return mapKernelErrortoWifiHalError(status);
}
void signal() {
pthread_cond_signal(&mCondition);
}
};
#endif
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