sys/kern/subr_log.c

87 static struct logsoftc {
92 } logsoftc;
120 	callout_reset_sbt(&logsoftc.sc_callout,
124 	fsetown(td->td_proc->p_pid, &logsoftc.sc_sigio);	/* signal process only */
133 	funsetown(&logsoftc.sc_sigio);
136 	callout_stop(&logsoftc.sc_callout);
137 	logsoftc.sc_state = 0;
190 			selrecord(td, &logsoftc.sc_selp);
207 	knlist_add(&logsoftc.sc_selp.si_note, kn, 1);
226 	knlist_remove(&logsoftc.sc_selp.si_note, kn, 1);
239 	selwakeuppri(&logsoftc.sc_selp, LOG_RDPRI);
240 	KNOTE_LOCKED(&logsoftc.sc_selp.si_note, 0);
241 	if ((logsoftc.sc_state & LOG_ASYNC) && logsoftc.sc_sigio != NULL)
242 		pgsigio(&logsoftc.sc_sigio, SIGIO, 0);
249 	callout_reset_sbt(&logsoftc.sc_callout,
271 			logsoftc.sc_state |= LOG_ASYNC;
273 			logsoftc.sc_state &= ~LOG_ASYNC;
278 		return (fsetown(*(int *)data, &logsoftc.sc_sigio));
281 		*(int *)data = fgetown(&logsoftc.sc_sigio);
286 		return (fsetown(-(*(int *)data), &logsoftc.sc_sigio));
290 		*(int *)data = -fgetown(&logsoftc.sc_sigio);
304 	callout_init_mtx(&logsoftc.sc_callout, &msgbuf_lock, 0);
305 	knlist_init_mtx(&logsoftc.sc_selp.si_note, &msgbuf_lock);