142 #define PIPE_PEER(pipe)	\  argument
143 	(((pipe)->pipe_state & PIPE_NAMED) ? (pipe) : ((pipe)->pipe_peer))
227 static void pipeclose(struct pipe *cpipe);
228 static void pipe_free_kmem(struct pipe *cpipe);
229 static void pipe_create(struct pipe *pipe, int backing);
231 static __inline int pipelock(struct pipe *cpipe, int catch);
232 static __inline void pipeunlock(struct pipe *cpipe);
234 static int pipe_build_write_buffer(struct pipe *wpipe, struct uio *uio);
235 static void pipe_destroy_write_buffer(struct pipe *wpipe);
236 static int pipe_direct_write(struct pipe *wpipe, struct uio *uio);
237 static void pipe_clone_write_buffer(struct pipe *wpipe);
239 static int pipespace(struct pipe *cpipe, int size);
240 static int pipespace_new(struct pipe *cpipe, int size);
269 	struct pipe *rpipe, *wpipe;  in pipe_zone_ctor()
342 	struct pipe *rpipe, *wpipe;  in pipe_paircreate()
369 pipe_named_ctor(struct pipe **ppipe, struct thread *td)  in pipe_named_ctor()
379 pipe_dtor(struct pipe *dpipe)  in pipe_dtor()
381 	struct pipe *peer;  in pipe_dtor()
403 	struct pipe *rpipe, *wpipe;  in kern_pipe()
491 pipespace_new(struct pipe *cpipe, int size)  in pipespace_new()
556 pipespace(struct pipe *cpipe, int size)  in pipespace()
568 pipelock(struct pipe *cpipe, int catch)  in pipelock()
589 pipeunlock(struct pipe *cpipe)  in pipeunlock()
603 pipeselwakeup(struct pipe *cpipe)  in pipeselwakeup()
622 pipe_create(struct pipe *pipe, int backing)  in pipe_create()  argument
634 			(void)pipespace_new(pipe, SMALL_PIPE_SIZE);  in pipe_create()
636 			(void)pipespace_new(pipe, PIPE_SIZE);  in pipe_create()
639 	pipe->pipe_ino = alloc_unr64(&pipeino_unr);  in pipe_create()
647 	struct pipe *rpipe;  in pipe_read()
817 pipe_build_write_buffer(struct pipe *wpipe, struct uio *uio)  in pipe_build_write_buffer()
862 pipe_destroy_write_buffer(struct pipe *wpipe)  in pipe_destroy_write_buffer()
882 pipe_clone_write_buffer(struct pipe *wpipe)  in pipe_clone_write_buffer()
924 pipe_direct_write(struct pipe *wpipe, struct uio *uio)  in pipe_direct_write()
1022 	struct pipe *wpipe, *rpipe;  in pipe_write()
1298 	struct pipe *cpipe;  in pipe_truncate()
1316 	struct pipe *mpipe = fp->f_data;  in pipe_ioctl()
1388 	struct pipe *rpipe;  in pipe_poll()
1389 	struct pipe *wpipe;  in pipe_poll()
1460 	struct pipe *pipe;  in pipe_stat()  local
1465 	pipe = fp->f_data;  in pipe_stat()
1466 	PIPE_LOCK(pipe);  in pipe_stat()
1468 	error = mac_pipe_check_stat(active_cred, pipe->pipe_pair);  in pipe_stat()
1470 		PIPE_UNLOCK(pipe);  in pipe_stat()
1476 	if (pipe->pipe_state & PIPE_NAMED) {  in pipe_stat()
1477 		PIPE_UNLOCK(pipe);  in pipe_stat()
1481 	PIPE_UNLOCK(pipe);  in pipe_stat()
1486 	if (pipe->pipe_map.cnt != 0)  in pipe_stat()
1487 		ub->st_size = pipe->pipe_map.cnt;  in pipe_stat()
1489 		ub->st_size = pipe->pipe_buffer.cnt;  in pipe_stat()
1491 	ub->st_atim = pipe->pipe_atime;  in pipe_stat()
1492 	ub->st_mtim = pipe->pipe_mtime;  in pipe_stat()
1493 	ub->st_ctim = pipe->pipe_ctime;  in pipe_stat()
1497 	ub->st_ino = pipe->pipe_ino;  in pipe_stat()
1520 	struct pipe *cpipe;  in pipe_chmod()
1535 	struct pipe *cpipe;  in pipe_chown()
1549 	struct pipe *pi;  in pipe_fill_kinfo()
1562 pipe_free_kmem(struct pipe *cpipe)  in pipe_free_kmem()
1588 pipeclose(struct pipe *cpipe)  in pipeclose()
1591 	struct pipe *ppipe;  in pipeclose()
1667 	struct pipe *cpipe;  in pipe_kqfilter()
1711 	struct pipe *cpipe = kn->kn_hook;  in filt_pipedetach()
1722 	struct pipe *rpipe = kn->kn_hook;  in filt_piperead()
1723 	struct pipe *wpipe = rpipe->pipe_peer;  in filt_piperead()
1745 	struct pipe *wpipe;  in filt_pipewrite()