+
+ if (numComp != 1) {
+ vector<string> groups;
+ if (numGroups == 0) {
+ //get score for all users groups
+ for (int i = 0; i < (ct->getNamesOfGroups()).size(); i++) {
+ if ((ct->getNamesOfGroups())[i] != "xxx") {
+ groups.push_back((ct->getNamesOfGroups())[i]);
+ }
+ }
+ namesOfGroupCombos.push_back(groups);
+ }else {
+ for (int i = 0; i < m->getNumGroups(); i++) {
+ groups.push_back((m->getGroups())[i]);
+ }
+ namesOfGroupCombos.push_back(groups);
+ }
+ }
+
+ lines.clear();
+ int numPairs = namesOfGroupCombos.size();
+ int numPairsPerProcessor = numPairs / processors;
+
+ for (int i = 0; i < processors; i++) {
+ int startPos = i * numPairsPerProcessor;
+ if(i == processors - 1){ numPairsPerProcessor = numPairs - i * numPairsPerProcessor; }
+ lines.push_back(linePair(startPos, numPairsPerProcessor));
+ }
+
+ data = createProcesses(t, namesOfGroupCombos, ct);
+
+ lines.clear();
+
+ return data;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "Unweighted", "getValues");
+ exit(1);
+ }
+}
+/**************************************************************************************************/
+
+EstOutput Unweighted::createProcesses(Tree* t, vector< vector<string> > namesOfGroupCombos, CountTable* ct) {
+ try {
+ int process = 1;
+ vector<int> processIDS;
+
+ EstOutput results;
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux) || (__linux__) || (__unix__) || (__unix)
+
+
+ //loop through and create all the processes you want
+ while (process != processors) {
+ int pid = fork();
+
+ if (pid > 0) {
+ processIDS.push_back(pid); //create map from line number to pid so you can append files in correct order later
+ process++;
+ }else if (pid == 0){
+ EstOutput myresults;
+ myresults = driver(t, namesOfGroupCombos, lines[process].start, lines[process].num, ct);
+
+ if (m->control_pressed) { exit(0); }
+
+ //m->mothurOut("Merging results."); m->mothurOutEndLine();
+
+ //pass numSeqs to parent
+ ofstream out;
+ string tempFile = outputDir + toString(getpid()) + ".unweighted.results.temp";
+ m->openOutputFile(tempFile, out);
+ out << myresults.size() << endl;
+ for (int i = 0; i < myresults.size(); i++) { out << myresults[i] << '\t'; } out << endl;
+ out.close();
+
+ exit(0);
+ }else {
+ m->mothurOut("[ERROR]: unable to spawn the necessary processes."); m->mothurOutEndLine();
+ for (int i = 0; i < processIDS.size(); i++) { kill (processIDS[i], SIGINT); }
+ exit(0);
+ }
+ }
+
+ results = driver(t, namesOfGroupCombos, lines[0].start, lines[0].num, ct);
+
+ //force parent to wait until all the processes are done
+ for (int i=0;i<(processors-1);i++) {
+ int temp = processIDS[i];
+ wait(&temp);
+ }
+
+ if (m->control_pressed) { return results; }
+
+ //get data created by processes
+ for (int i=0;i<(processors-1);i++) {
+ ifstream in;
+ string s = outputDir + toString(processIDS[i]) + ".unweighted.results.temp";
+ m->openInputFile(s, in);
+
+ //get quantiles
+ if (!in.eof()) {
+ int num;
+ in >> num; m->gobble(in);
+
+ if (m->control_pressed) { break; }
+
+ double w;
+ for (int j = 0; j < num; j++) {
+ in >> w;
+ results.push_back(w);
+ }
+ m->gobble(in);
+ }
+ in.close();
+ m->mothurRemove(s);
+ }
+#else
+ //fill in functions
+ vector<unweightedData*> pDataArray;
+ DWORD dwThreadIdArray[processors-1];
+ HANDLE hThreadArray[processors-1];
+ vector<CountTable*> cts;
+ vector<Tree*> trees;
+
+ //Create processor worker threads.
+ for( int i=1; i<processors; i++ ){
+ CountTable* copyCount = new CountTable();
+ copyCount->copy(ct);
+ Tree* copyTree = new Tree(copyCount);
+ copyTree->getCopy(t);
+
+ cts.push_back(copyCount);
+ trees.push_back(copyTree);
+
+ unweightedData* tempweighted = new unweightedData(m, lines[i].start, lines[i].num, namesOfGroupCombos, copyTree, copyCount, includeRoot);
+ pDataArray.push_back(tempweighted);
+ processIDS.push_back(i);
+
+ hThreadArray[i-1] = CreateThread(NULL, 0, MyUnWeightedThreadFunction, pDataArray[i-1], 0, &dwThreadIdArray[i-1]);
+ }
+
+ results = driver(t, namesOfGroupCombos, lines[0].start, lines[0].num, ct);
+
+ //Wait until all threads have terminated.
+ WaitForMultipleObjects(processors-1, hThreadArray, TRUE, INFINITE);
+
+ //Close all thread handles and free memory allocations.
+ for(int i=0; i < pDataArray.size(); i++){
+ for (int j = 0; j < pDataArray[i]->results.size(); j++) { results.push_back(pDataArray[i]->results[j]); }
+ delete cts[i];
+ delete trees[i];
+ CloseHandle(hThreadArray[i]);
+ delete pDataArray[i];
+ }