2015-05-28 14:28:17 +02:00

83 lines
2.2 KiB
C

#include <TFile.h>
#include <TThread.h>
#include <THStack.h>
#include "moenchReadData.C"
typedef struct task_s{
char *fformat;
char *tname;
char *tdir;
int runmin;
int runmax;
int treeIndex;
double xTalk;
} Task;
void *moenchMakeTreeTask(void *p){
TThread::Lock();
char fname[1000];
Task *t = (Task *)p;
sprintf(fname,"%s%s_%i.root",t->tdir,t->tname,t->treeIndex);
TFile *f = new TFile(fname,"RECREATE");
cout << "Call moenchReadData(" << t->fformat << "," << t->tname << "," << t->runmin<< "," << t->runmax <<")" << endl;
TThread::UnLock();
THStack *s = moenchReadData(t->fformat,t->tname,t->runmin,t->runmax, 1500, -500, 1000, 1, t->xTalk);
s->Write();
if(f && f->IsOpen()){
f->Close();
}
return 0;
}
void moenchReadDataMT(char *fformat, char *tit, char *tdir, int runmin, int runoffset, int nThreads, int treeIndexStart=0, double xTalk=0.044){
char threadName[1000];
TThread *threads[nThreads];
for(int i = 0; i < nThreads; i++){
sprintf(threadName,"t%i",i);
Task *t = (Task *)malloc(sizeof(Task));
t->fformat = fformat;
t->tname = tit;
t->tdir = tdir;
t->runmin = runmin + i*runoffset;
t->runmax = runmin + (i+1)*runoffset - 1;
t->treeIndex = treeIndexStart + i;
t->xTalk = xTalk;
cout << "start thread " << i << " start: " << t->runmin << " end " << t->runmax << endl;
threads[i] = new TThread(threadName, moenchMakeTreeTask, t);
threads[i]->Run();
}
for(int i = 0; i < nThreads; i++){
threads[i]->Join();
}
}
//to compile: g++ -DMYROOT -DMYROOT1 -g `root-config --cflags --glibs` -o moenchReadDataMT moenchReadDataMT.C
int main(int argc, char **argv){
if(argc < 8){
cout << "Usage: " << argv[0] << " fformat tit tdir runmin runoffset nThreads treeIndexStart [xTalkFactor]" << endl;
exit(-1);
}
char *fformat = argv[1];
char *tit = argv[2];
char *tdir = argv[3];
int runmin = atoi(argv[4]);
int runoffset = atoi(argv[5]);
int nThreads = atoi(argv[6]);
int treeIndexStart = atoi(argv[7]);
double xTalkFactor = 0.044;
if(argc == 9)
xTalkFactor = atof(argv[8]);
moenchReadDataMT(fformat, tit, tdir,runmin,runoffset,nThreads,treeIndexStart, xTalkFactor);
}