What could cause a thread to terminate prematurely?
Two normal situations cause a thread to terminate: the controlling function exits or the thread is not allowed to run to completion. If the user wants to cancel the printing, however, the background printing thread has to be terminated prematurely.
How do I force a thread to terminate?
Here, to kill a process, you can simply call the method: yourProcess. terminate() # kill the process!
How do you stop a thread on MFC?
I need to call a function using a thread from the main window and function execution progress should be returned to a dialog. When the “Cancel” button on the dialog is pressed, the thread must stop execution…….or Join us.
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Which function takes a thread handle as a parameter and waits for that thread to terminate?
The call to WaitForSingleObject() waits for an object to signal its readiness. In other words, the routine passes the handle to a thread and waits for that thread to terminate.
What happens when a thread terminates?
If any thread within a process calls exit, _Exit, or _exit, then the entire process terminates. The return value is the thread’s exit code. The thread can be canceled by another thread in the same process.
What happens to thread when process exits?
Exiting the main thread will not result in the process exiting if there are any other threads still active. According to the old-fashioned model of how processes exit, a process was in control of all its threads and could mediate the shutdown of those threads, thereby controlling the shutdown of the process.
Which method is used to abort thread prior to its normal execution?
Which method is used to abort thread prior to it’s normal execution? Abort() causes a ThreadAbortException to be thrown to the thread on which Abort() is called. This exception causes the thread to terminate. 9.
How do you terminate a thread in C++?
5 Answers
- You could call std::terminate() from any thread and the thread you’re referring to will forcefully end.
- You could arrange for ~thread() to be executed on the object of the target thread, without a intervening join() nor detach() on that object.
How do you use AfxBeginThread?
To begin execution of your worker thread using the first overload, call AfxBeginThread, providing the following information:
- The address of the controlling function.
- The parameter to be passed to the controlling function.
- (Optional) The desired priority of the thread.
- (Optional) The desired stack size for the thread.
What is the code if main thread should wait until all the other threads are finished in C?
So, if we want that the main thread should wait until all the other threads are finished then there is a function pthread_join(). #include int pthread_join(pthread_t thread, void **rval_ptr); The function above makes sure that its parent thread does not terminate until it is done.
Which of the following types of cancellation will happen if the target thread is terminated?
Asynchronous cancellation − One thread terminates immediately the target thread. Deferred cancellation − The target thread checks periodically whether it should terminate, allowing it an opportunity to terminate itself in an orderly fashion.
What can cause a thread to terminate?
Two normal situations cause a thread to terminate: the controlling function exits or the thread is not allowed to run to completion. If a word processor used a thread for background printing, the controlling function would terminate normally if printing completed successfully.
What is multithreading in MFC with example?
Multithreading: Creating Worker Threads in MFC. A worker thread is commonly used to handle background tasks that the user should not have to wait for to continue using your application. Tasks such as recalculation and background printing are good examples of worker threads.
How to get the exit code of a thread after it terminates?
This topic explains both how to implement each situation and how to get the exit code of a thread after it terminates. For a worker thread, normal thread termination is simple: Exit the controlling function and return a value that signifies the reason for termination. You can use either the AfxEndThread function or a return statement.
How do I terminate a thread in Java?
For a worker thread, normal thread termination is simple: Exit the controlling function and return a value that signifies the reason for termination. You can use either the AfxEndThread function or a return statement.