1031 filt_pipedetach(struct knote *kn)  in filt_pipedetach()  argument
1036 	pipe = ((file_t *)kn->kn_obj)->f_pipe;  in filt_pipedetach()
1041 	switch(kn->kn_filter) {  in filt_pipedetach()
1058 	KASSERT(kn->kn_hook == pipe);  in filt_pipedetach()
1059 	selremove_knote(&pipe->pipe_sel, kn);  in filt_pipedetach()
1064 filt_piperead(struct knote *kn, long hint)  in filt_piperead()  argument
1066 	struct pipe *rpipe = ((file_t *)kn->kn_obj)->f_pipe;  in filt_piperead()
1074 	kn->kn_data = rpipe->pipe_buffer.cnt;  in filt_piperead()
1078 		knote_set_eof(kn, 0);  in filt_piperead()
1081 		rv = kn->kn_data > 0;  in filt_piperead()
1091 filt_pipewrite(struct knote *kn, long hint)  in filt_pipewrite()  argument
1093 	struct pipe *rpipe = ((file_t *)kn->kn_obj)->f_pipe;  in filt_pipewrite()
1103 		kn->kn_data = 0;  in filt_pipewrite()
1104 		knote_set_eof(kn, 0);  in filt_pipewrite()
1107 		kn->kn_data = wpipe->pipe_buffer.size - wpipe->pipe_buffer.cnt;  in filt_pipewrite()
1108 		rv = kn->kn_data >= PIPE_BUF;  in filt_pipewrite()
1132 pipe_kqfilter(file_t *fp, struct knote *kn)  in pipe_kqfilter()  argument
1137 	pipe = ((file_t *)kn->kn_obj)->f_pipe;  in pipe_kqfilter()
1142 	switch (kn->kn_filter) {  in pipe_kqfilter()
1144 		kn->kn_fop = &pipe_rfiltops;  in pipe_kqfilter()
1147 		kn->kn_fop = &pipe_wfiltops;  in pipe_kqfilter()
1160 	kn->kn_hook = pipe;  in pipe_kqfilter()
1161 	selrecord_knote(&pipe->pipe_sel, kn);  in pipe_kqfilter()