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7bd7a300e6
git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@771 6e48237b-75ef-9749-8fc9-41990f28c85a
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* Copyright 2010 Rockchip Electronics S.LSI Co. LTD
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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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#define MODULE_TAG "mpp_thread"
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#include <string.h>
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#include "mpp_log.h"
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#include "mpp_thread.h"
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#define MPP_THREAD_DBG_FUNCTION (0x00000001)
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static RK_U32 thread_debug = 0;
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#define thread_dbg(flag, fmt, ...) _mpp_dbg(thread_debug, flag, fmt, ## __VA_ARGS__)
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MppThread::MppThread(MppThreadFunc func, void *ctx, const char *name)
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: mStatus(MPP_THREAD_UNINITED),
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mFunction(func),
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mContext(ctx)
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{
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if (name)
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strncpy(mName, name, sizeof(mName));
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else
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snprintf(mName, sizeof(mName), "mpp_thread");
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}
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MppThreadStatus MppThread::get_status()
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{
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return mStatus;
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}
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void MppThread::set_status(MppThreadStatus status)
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{
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mStatus = status;
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}
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void MppThread::start()
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{
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
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if (MPP_THREAD_UNINITED == mStatus) {
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// NOTE: set status here first to avoid unexpected loop quit racing condition
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mStatus = MPP_THREAD_RUNNING;
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if (0 == pthread_create(&mThread, &attr, mFunction, mContext)) {
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RK_S32 ret = pthread_setname_np(mThread, mName);
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if (ret)
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mpp_err("thread %p setname %s failed\n", mFunction, mName);
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thread_dbg(MPP_THREAD_DBG_FUNCTION, "thread %s %p context %p create success\n",
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mName, mFunction, mContext);
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} else
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mStatus = MPP_THREAD_UNINITED;
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}
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pthread_attr_destroy(&attr);
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}
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void MppThread::stop()
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{
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if (MPP_THREAD_UNINITED != mStatus) {
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lock();
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mStatus = MPP_THREAD_STOPPING;
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mpp_log("MPP_THREAD_STOPPING status set mThread %p", this);
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signal();
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unlock();
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void *dummy;
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pthread_join(mThread, &dummy);
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thread_dbg(MPP_THREAD_DBG_FUNCTION, "thread %s %p context %p destroy success\n",
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mName, mFunction, mContext);
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mStatus = MPP_THREAD_UNINITED;
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}
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}
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