65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
|
/*
|
||
|
|
* Copyright 2017 Rockchip Electronics Co. LTD
|
||
|
|
*
|
||
|
|
* 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 "mpp_err.h"
|
||
|
|
#include "mpp_queue.h"
|
||
|
|
|
||
|
|
MppQueue::MppQueue(node_destructor func)
|
||
|
|
: mpp_list(func), mFlushFlag(0)
|
||
|
|
{
|
||
|
|
sem_init(&mQueuePending, 0, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
MppQueue::~MppQueue()
|
||
|
|
{
|
||
|
|
sem_destroy (&mQueuePending);
|
||
|
|
}
|
||
|
|
|
||
|
|
RK_S32 MppQueue::push(void *data, RK_S32 size)
|
||
|
|
{
|
||
|
|
RK_S32 ret = 0;
|
||
|
|
|
||
|
|
ret = mpp_list::add_at_tail(data, size);
|
||
|
|
mFlushFlag = 0;
|
||
|
|
sem_post(&mQueuePending);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
RK_S32 MppQueue::pull(void *data, RK_S32 size)
|
||
|
|
{
|
||
|
|
if (!mFlushFlag)
|
||
|
|
sem_wait(&mQueuePending);
|
||
|
|
{
|
||
|
|
AutoMutex autoLock(mpp_list::mutex());
|
||
|
|
if (!mpp_list::list_size())
|
||
|
|
return MPP_NOK;
|
||
|
|
|
||
|
|
return mpp_list::del_at_head(data, size);
|
||
|
|
}
|
||
|
|
return MPP_ERR_INIT;
|
||
|
|
}
|
||
|
|
|
||
|
|
RK_S32 MppQueue::flush()
|
||
|
|
{
|
||
|
|
if (mFlushFlag)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
mFlushFlag = 1;
|
||
|
|
sem_post(&mQueuePending);
|
||
|
|
return mpp_list::flush();
|
||
|
|
}
|