Robert Watson 6dd84b0bdc Only poll the fifo for read events if the fifo is attached to a readable ... file descriptor. Otherwise, the read end of a fifo might return that it is writable (which it isn't). Only poll the fifo for write events if the fifo attached to a writable file descriptor. Otherwise, the write end of a fifo might return that it is readable (which it isn't). In the event that a file is FREAD|FWRITE (which is allowed by POSIX, but has undefined behavior), we poll for both. MFC after: 3 days		2005-09-12 10:16:18 +00:00
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fifo_vnops.c	Only poll the fifo for read events if the fifo is attached to a readable	2005-09-12 10:16:18 +00:00
fifo.h	/* -> /*- for copyright notices, minor format tweaks as necessary	2005-01-06 18:10:42 +00:00