Konstantin Belousov f950879e16 The pipe_poll() performs lockless access to the vnode to test ... fifo_iseof() condition, allowing the v_fifoinfo to be reset and freed by fifo_cleanup(). Precalculate EOF at the places were fo_wgen is changed, and cache the state in a new pipe state flag PIPE_SAMEWGEN. Reported and tested by: bf Submitted by: gianni MFC after: 1 week (a backport)		2012-03-07 07:31:50 +00:00
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fifo_vnops.c	The pipe_poll() performs lockless access to the vnode to test	2012-03-07 07:31:50 +00:00
fifo.h	The pipe_poll() performs lockless access to the vnode to test	2012-03-07 07:31:50 +00:00