Thread::get_id() is an in-built function in C++ std::thread. It is an observer function which means it observes a state and then returns the corresponding output. This function returns the value of std::thread::id thus identifying the thread associated with *this.
Parameters: This function does not accept any parameters.
Return Value: This method returns a value of type std::thread::id identifying the thread associated with *this i.e. the thread which was used to call the get_id function is returned. The default constructed std::thread::id is returned when no such thread is identified.
Below examples demonstrates the use of std::thread::get_id() method:
Note: On the online IDE this program will show error. To compile this, use the flag “-pthread” on g++ compilers compilation with the help of command “g++ –std=c++14 -pthread file.cpp”.
ID associated with thread1= 139858743162624 ID associated with thread2= 139858734769920