Lines Matching defs:ev
68 ev_init(register struct evvar *ev)
71 ev->ev_get = ev->ev_put = 0;
72 ev->ev_q = malloc((u_long)EV_QSIZE * sizeof(struct firm_event),
74 selinit(&ev->ev_sel);
81 ev_fini(register struct evvar *ev)
84 seldestroy(&ev->ev_sel);
85 free(ev->ev_q, M_DEVBUF);
93 ev_read(register struct evvar *ev, struct uio *uio, int flags)
103 while (ev->ev_get == ev->ev_put) {
108 ev->ev_wanted = 1;
109 error = tsleep((void *)ev, PEVENT | PCATCH, "firm_event", 0);
119 if (ev->ev_put < ev->ev_get)
120 cnt = EV_QSIZE - ev->ev_get; /* events in [get..QSIZE) */
122 cnt = ev->ev_put - ev->ev_get; /* events in [get..put) */
127 error = uiomove((void *)&ev->ev_q[ev->ev_get],
135 if ((ev->ev_get = (ev->ev_get + cnt) % EV_QSIZE) != 0 ||
136 n == 0 || error || (cnt = ev->ev_put) == 0)
140 error = uiomove((void *)&ev->ev_q[0],
142 ev->ev_get = cnt;
147 ev_poll(register struct evvar *ev, int events, struct lwp *l)
154 if (ev->ev_get != ev->ev_put)
158 selrecord(l, &ev->ev_sel);
166 struct evvar *ev = kn->kn_hook;
170 selremove_knote(&ev->ev_sel, kn);
177 struct evvar *ev = kn->kn_hook;
179 if (ev->ev_get == ev->ev_put)
182 if (ev->ev_get < ev->ev_put)
183 kn->kn_data = ev->ev_put - ev->ev_get;
185 kn->kn_data = (EV_QSIZE - ev->ev_get) +
186 ev->ev_put;
201 ev_kqfilter(struct evvar *ev, struct knote *kn)
214 kn->kn_hook = ev;
217 selrecord_knote(&ev->ev_sel, kn);