Cross Reference: /src/sys/arch/atari/dev/event.c

Lines Matching defs:ev
70 ev_init(register struct evvar *ev)
73 	ev->ev_get = ev->ev_put = 0;
74 	ev->ev_q = kmem_zalloc(EV_Q_ALLOCSIZE, KM_SLEEP);
75 	selinit(&ev->ev_sel);
82 ev_fini(register struct evvar *ev)
85 	seldestroy(&ev->ev_sel);
86 	kmem_free(ev->ev_q, EV_Q_ALLOCSIZE);
94 ev_read(register struct evvar *ev, struct uio *uio, int flags)
104 	while (ev->ev_get == ev->ev_put) {
109 		ev->ev_wanted = 1;
110 		error = tsleep((void *)ev, PEVENT | PCATCH, "firm_event", 0);
120 	if (ev->ev_put < ev->ev_get)
121 		cnt = EV_QSIZE - ev->ev_get;	/* events in [get..QSIZE) */
123 		cnt = ev->ev_put - ev->ev_get;	/* events in [get..put) */
128 	error = uiomove((void *)&ev->ev_q[ev->ev_get],
136 	if ((ev->ev_get = (ev->ev_get + cnt) % EV_QSIZE) != 0 ||
137 	    n == 0 || error || (cnt = ev->ev_put) == 0)
141 	error = uiomove((void *)&ev->ev_q[0],
143 	ev->ev_get = cnt;
148 ev_poll(register struct evvar *ev, int events, struct lwp *l)
154 		if (ev->ev_get != ev->ev_put)
157 			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);
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