Closing/destroying and granting (to another process) are generally applicable to about any resource held by a process. UNIXes, by contrast, expose multiple "c

Closing/destroying and granting (to another process) are generally applicable to about any resource held by a process. UNIXes, by contrast, expose multiple "close" system calls for non-file things, and have a largely incomplete mishmash of ways to share non-file things.