Hello,
what does "bit 8-30: instance id" as comment in the definition of "fd" mean?
Convenience bits. :)
If task A closes a file descriptor, the structure returns to the global pool of used sockets. If now task B creates a new socket, it may get the same structure (thus the same socket index), but the instance id will be incremented by one. This avoids that task A can mistakenly continue to use the old file descriptor. Well-written software will of course not - but in case...
Jan
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