Home | History | Annotate | Download | only in fifofs

Lines Matching defs:fip

129 	struct fifoinfo	*fip;
136 	if ((fip = vp->v_fifoinfo) == NULL) {
137 		fip = kmem_alloc(sizeof(*fip), KM_SLEEP);
140 			kmem_free(fip, sizeof(*fip));
143 		fip->fi_readsock = rso;
147 			kmem_free(fip, sizeof(*fip));
150 		fip->fi_writesock = wso;
156 			kmem_free(fip, sizeof(*fip));
176 		fip->fi_readers = 0;
177 		fip->fi_writers = 0;
180 		cv_init(&fip->fi_rcv, "fiford");
181 		cv_init(&fip->fi_wcv, "fifowr");
182 		vp->v_fifoinfo = fip;
184 		wso = fip->fi_writesock;
185 		rso = fip->fi_readsock;
190 		if (fip->fi_readers++ == 0) {
192 			cv_broadcast(&fip->fi_wcv);
196 		if (fip->fi_writers++ == 0) {
198 			cv_broadcast(&fip->fi_rcv);
204 			while (!soreadable(rso) && fip->fi_writers == 0) {
206 				error = cv_wait_sig(&fip->fi_rcv,
218 			if (fip->fi_readers == 0) {
224 			while (fip->fi_readers == 0) {
226 				error = cv_wait_sig(&fip->fi_wcv,
484 	struct fifoinfo	*fip;
489 	fip = vp->v_fifoinfo;
491 	wso = fip->fi_writesock;
492 	rso = fip->fi_readsock;
495 		if (fip->fi_readers != 0) {
496 			fip->fi_readers = 0;
499 		if (fip->fi_writers != 0) {
500 			fip->fi_writers = 0;
504 		if ((ap->a_fflag & FREAD) && --fip->fi_readers == 0)
506 		if ((ap->a_fflag & FWRITE) && --fip->fi_writers == 0)
509 	if ((fip->fi_readers + fip->fi_writers) == 0) {
513 		cv_destroy(&fip->fi_rcv);
514 		cv_destroy(&fip->fi_wcv);
515 		kmem_free(fip, sizeof(*fip));
528 	struct fifoinfo	*fip;
530 	fip = vp->v_fifoinfo;
532 	    fip->fi_readers, fip->fi_writers);