Common questions

Why is the thread still running in Stack Overflow?

Why is the thread still running in Stack Overflow?

Thread still running This is of course because the thread status is checked before the task is finished. But then again, it might be simpler to just do it like others have already mentioned:

Where do the results of a thread go?

The thread can then store its results in its dedicated slot in that object. For example:

What happens to a thread when main ( ) exits?

Separates the thread of execution from the thread object, allowing execution to continue independently. Any allocated resources will be freed once the thread exits. The pthread_detach () function shall indicate to the implementation that storage for the thread can be reclaimed when that thread terminates.

How to check if a thread has cleanly exited?

Edit How to check if a thread has cleanly exited or not: Basically the same technique as described in the first paragraph; Have a boolean variable initialized to false. The last thing the child thread does is set it to true. The main thread can then check that variable, and if true do a join on the child thread without much (if any) blocking.

What is the meaning of waiting in multithreading?

Waiting: It is a thread that is waiting for another thread to do the specific action. Timed_waiting: It is a thread that is waiting for another thread to perform. Terminated: A thread that has exited is in this state.

What does it mean when a thread is blocked?

Blocked: A blocked thread is waiting for a monitor lock is in this state. This thing can also happen when a thread performs an I/O operation and moves to the next state. Waiting: It is a thread that is waiting for another thread to do the specific action. Timed_waiting: It is a thread that is waiting for another thread to perform.

What do you mean by deadlock in multithreading?

Deadlock is a situation when a thread is waiting for an object lock, that is acquired by another thread and second thread also waiting for an object lock that is acquired by the first thread. As both threads are waiting for each other to release this condition is called deadlock. 8) What is LiveLock?

What’s the difference between running and blocked in multithreading?

Running: A thread which is executing is in running state. Blocked: A blocked thread is waiting for a monitor lock is in this state. This thing can also happen when a thread performs an I/O operation and moves to the next state. Waiting: It is a thread that is waiting for another thread to do the specific action.

Author Image
Ruth Doyle