The Old New Thing

When does a process ID become available for reuse?

January 7, 2011 Jan 7, 2011 01/7/11

Raymond Chen

A customer wanted some information about process IDs: I'm writing some code that depends on process IDs and I'd like to understand better problem of process ID reuse. When can PIDs be reused? Does it happen when the process handle becomes signaled (but before the zombie object is removed from the system) or does it happen only after last ...