//================================== // CodeName : Simple multithreading // Author : Babak Sheykhan // Date : Oct 5, 2017 // Done for : Kai // Note : Can't run on SL compiler // solution : Use [http://cpp.sh/] OR [https://www.onlinegdb.com/online_c++_compiler] // Live link 1 : http://cpp.sh/7vx2v // Live link 2 : https://onlinegdb.com/SyGzIRQ2b //================================== #include #include #include using namespace std; void update_a(vector *va, vector *vb) { for (size_t i = 0; i < va->size(); ++i) { // range safty checker if (i < (vb->size() - 1)) va->at(i) += vb->at(i + 1) - vb->at(i); cout << va->at(i) << endl; } cout << "T1 Done.\n\n"; } void update_b(vector *vb, vector *va) { for (size_t i = 0; i < vb->size(); ++i) { // range safty checker if (i < (va->size() - 1)) vb->at(i) += va->at(i + 1) - va->at(i); cout << vb->at(i) << endl; } cout << "T2 Done.\n\n"; } int main() { vector a = {1,2,3,4,5}; vector b = {1,2,3,4,5}; // Constructing two threads and run it. Does not block execution. thread t1(update_a, &a, &b); thread t2(update_b, &b, &a); cout << "main, t1 and t2 functions now execute concurrently...\n"; // synchronize threads t1.join(); // Makes the main thread wait until t1 finishes t2.join(); // Makes the main thread wait until t2 finishes }

Simple_ multi-threading