/*!
* \brief Initializes the global threadm pools used by the UPnP SDK.
*
* \return UPNP_E_SUCCESS on success or UPNP_E_INIT_FAILED if a mutex could not
* be initialized.
*/
static int UpnpInitThreadPools(void)
{
int ret = UPNP_E_SUCCESS;
ThreadPoolAttr attr;
TPAttrInit(&attr); // 初始化属性,然后设置线程池的最大最小线程数,每个线程的JOB数量等等
TPAttrSetMaxThreads(&attr, MAX_THREADS);
TPAttrSetMinThreads(&attr, MIN_THREADS);
TPAttrSetStackSize(&attr, THREAD_STACK_SIZE);
TPAttrSetJobsPerThread(&attr, JOBS_PER_THREAD);
TPAttrSetIdleTime(&attr, THREAD_IDLE_TIME);
TPAttrSetMaxJobsTotal(&attr, MAX_JOBS_TOTAL);
// 然后利用以上属性初始化三个全局线程池
if (ThreadPoolInit(&gSendThreadPool, &attr) != UPNP_E_SUCCESS) {
ret = UPNP_E_INIT_FAILED;
goto exit_function;
}
if (ThreadPoolInit(&gRecvThreadPool, &attr) != UPNP_E_SUCCESS) {
ret = UPNP_E_INIT_FAILED;
goto exit_function;
}
if (ThreadPoolInit(&gMiniServerThreadPool, &attr) != UPNP_E_SUCCESS) {
ret = UPNP_E_INIT_FAILED;
goto exit_function;
}
exit_function:
if (ret != UPNP_E_SUCCESS) {
UpnpSdkInit = 0;
UpnpFinish();
}
return ret;
}