Symbol: PIPE_ASYNC
sys/kern/sys_pipe.c
400
if (sigp == NULL || (sigp->pipe_state & PIPE_ASYNC) == 0)
sys/kern/sys_pipe.c
769
pipe->pipe_state |= PIPE_ASYNC;
sys/kern/sys_pipe.c
771
pipe->pipe_state &= ~PIPE_ASYNC;
usr.bin/fstat/fstat.c
1291
(cp.pipe_state & PIPE_ASYNC) ? "a" : "");