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implemented SCHED_RR scheduling with priority in receiver-only if super user

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git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@490 951219d9-93cf-4727-9268-0efd64621fa3
This commit is contained in:
l_maliakal_d 2013-03-08 15:27:25 +00:00
parent d89e405748
commit d205e79106
3 changed files with 27 additions and 18 deletions
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1
slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
View File

@ -736,6 +736,7 @@ void postProcessing::startThread(int delflag) {
// param.sched_priority = 5;
// scheduling parameters of main thread
ret = pthread_setschedparam(pthread_self(), policy, &mparam);
//#ifdef VERBOSE
// printf("current priority is %d\n",param.sched_priority);
//#endif

2
slsDetectorSoftware/slsReceiver/Makefile
View File

@ -1,5 +1,5 @@
CC = g++
CLAGS += -DSLS_RECEIVER_FUNCTION_LIST -DGOTTHARDD #-DUHRIXCALLBACK #-DTESTWRITE
CLAGS += -DSLS_RECEIVER_FUNCTION_LIST -DGOTTHARDD #-DUHRIXCALLBACK #-DTESTWRITE
LDLIBS += -lm -lstdc++ -lpthread
INCLUDES = -I ../MySocketTCP -I ../commonFiles -I ../usersFunctions -I ../slsDetectorAnalysis -I .

42
slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp
View File

@ -189,7 +189,7 @@ int slsReceiverFunctionList::startReceiver(){
listening_thread_running=1;
//error creating writing thread
// creating writing thread
err = pthread_create(&writing_thread, NULL,startWritingThread, (void*) this);
if(err){
listening_thread_running=0;
@ -201,7 +201,7 @@ int slsReceiverFunctionList::startReceiver(){
cout << "Writing thread created successfully." << endl;
#endif
//error creating listenign thread
// creating listenign thread
err = 0;
err = pthread_create(&listening_thread, NULL,startListeningThread, (void*) this);
if(err){
@ -219,6 +219,27 @@ int slsReceiverFunctionList::startReceiver(){
#endif
cout << "Threads created successfully." << endl;
struct sched_param tcp_param, listen_param, write_param;
int policy= SCHED_RR;
tcp_param.sched_priority = 50;
listen_param.sched_priority = 99;
write_param.sched_priority = 90;
if (pthread_setschedparam(listening_thread, policy, &listen_param) == EPERM)
cout << "ERROR: Could not prioritize threads. You need to be super user for that." << endl;
if (pthread_setschedparam(writing_thread, policy, &write_param) == EPERM)
cout << "ERROR: Could not prioritize threads. You need to be super user for that." << endl;
if (pthread_setschedparam(pthread_self(), policy, &tcp_param) == EPERM)
cout << "ERROR: Could not prioritize threads. You need to be super user for that." << endl;
pthread_getschedparam(listening_thread,&policy,&tcp_param);
cout << "current priority of main tcp thread is " << tcp_param.sched_priority << endl;
}
@ -274,14 +295,10 @@ int slsReceiverFunctionList::startListening(){
#ifdef VERYVERBOSE
cout << "In startListening()\n");
#endif
// Variable and structure definitions
int rc;
// dataStruct *dataReadFrame;
//reset variables for each acquisition
startFrameIndex=-1;
// A do/while(FALSE) loop is used to make error cleanup easier. The
// close() of each of the socket descriptors is only done once at the
// very end of the program.
@ -339,12 +356,6 @@ int slsReceiverFunctionList::startListening(){
;//cout<<"**********************FIFO FULLLLLLLL************************"<<endl;
else{
//cout<<"read index:"<<dec<<(int)(*(int*)buffer)<<endl;
/** dataReadFrame = new dataStruct;
dataReadFrame->buffer=buffer;
dataReadFrame->rc=rc;
//cout<<"read buffer:"<<dataReadFrame<<endl;
fifo->push(dataReadFrame);
*/
fifo->push(buffer);
}
@ -388,11 +399,8 @@ int slsReceiverFunctionList::startWriting(){
#endif
char *wbuf;
// Variable and structure definitions
int ret,sleepnumber=0;
//char *guiData;
//reset variables for each acquisition
framesInFile=0;
framesCaught=0;
frameIndex=0;