Zombie Threads on POSIX systems

Question

How do zombie threads get formed in C/C++, and what do you need to make sure to do in order to prevent them from being created? I know they\'re just normal threads that did

Answer 1

A zombie thread is a joinable thread which has terminated, but which hasn't been joined. Normally, either a thread should be joined at some time, or it should be detached. Otherwise, the OS maintains its state for some possible future join, which takes resources.