crs 1ccb92b888 Fixed BSD unblockPollSocket(). Was signaling to break out of ...

poll() but there was a race condition where the thread trying
to unblock poll() could send the signal before the polling
thread had entered poll().  Now using a pipe and polling on
that and the client's sockets, and just writing a byte into
the pipe to unblock poll.  This persists until the next call
to poll() so we might force poll() to return once unnecessarily
but that's not a problem.  This change makes the BSD code
similar to the winsock code, which uses a winsock event instead
of a pipe.

2004-02-29 16:48:22 +00:00

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