rwatson 1481446aae 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

..

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