71 rfd_find_prev_class(rfd_t *rfd, rfd_class_t class)  in rfd_find_prev_class()  argument
73 	while (rfd != NULL && rfd->rfd_class != class)  in rfd_find_prev_class()
74 		rfd = rfd->rfd_prev;  in rfd_find_prev_class()
75 	return (rfd);  in rfd_find_prev_class()
82 rfd_revoke_fd(rfd_t *rfd)  in rfd_revoke_fd()  argument
84 	if (rfd->rfd_revoke != NULL)  in rfd_revoke_fd()
85 		rfd->rfd_revoke(rfd);  in rfd_revoke_fd()
86 	return (rfd_close(rfd->rfd_fd));  in rfd_revoke_fd()
96 	rfd_t *rfd = NULL;  in rfd_revoke_next()  local
110 		rfd = rfd_find_prev_class(tail, RFD_RESERVED);  in rfd_revoke_next()
116 	if (rfd == NULL) {  in rfd_revoke_next()
117 		rfd = rfd_find_prev_class(tail, RFD_PSINFO);  in rfd_revoke_next()
118 		if (rfd != NULL)  in rfd_revoke_next()
119 			rfd = rfd->rfd_prev_class;  in rfd_revoke_next()
127 	if (rfd == NULL) {  in rfd_revoke_next()
128 		rfd = tail;  in rfd_revoke_next()
129 		while (rfd != NULL && class == RFD_RESERVED && rfd->rfd_class ==  in rfd_revoke_next()
131 			rfd = rfd->rfd_prev;  in rfd_revoke_next()
134 	if (rfd != NULL)  in rfd_revoke_next()
135 		return (rfd_revoke_fd(rfd));  in rfd_revoke_next()
153     void(*revoke)(struct rfd *), void *data, int oflag, mode_t mode)  in rfd_open()  argument
156 	rfd_t *rfd;  in rfd_open()  local
171 		rfd = malloc(sizeof (*rfd));  in rfd_open()
172 		if (rfd == NULL) {  in rfd_open()
176 		(void) bzero(rfd, sizeof (*rfd));  in rfd_open()
177 		rfd->rfd_fd = fd;  in rfd_open()
178 		rfd->rfd_class = class;  in rfd_open()
179 		rfd->rfd_revoke = revoke;  in rfd_open()
180 		rfd->rfd_data = data;  in rfd_open()
182 			rfd->rfd_prev_class = rfd_find_prev_class(tail, class);  in rfd_open()
184 			rfd->rfd_prev_class = tail;  in rfd_open()
185 		rfd->rfd_prev = tail;  in rfd_open()
187 			tail->rfd_next = rfd;  in rfd_open()
188 		tail = rfd;  in rfd_open()
202 	rfd_t *rfd;  in rfd_close()  local
207 	rfd = tail;  in rfd_close()
208 	while (rfd != NULL) {  in rfd_close()
209 		rfdprev = rfd->rfd_prev;  in rfd_close()
210 		if (rfd->rfd_fd == fd) {  in rfd_close()
211 			if (rfd->rfd_prev != NULL)  in rfd_close()
212 				rfd->rfd_prev->rfd_next = rfd->rfd_next;  in rfd_close()
213 			if (rfd->rfd_next != NULL)  in rfd_close()
214 				rfd->rfd_next->rfd_prev = rfd->rfd_prev;  in rfd_close()
215 			if (tail == rfd)  in rfd_close()
216 				tail = rfd->rfd_prev;  in rfd_close()
217 			for (nextclass = rfd->rfd_next; nextclass != NULL;  in rfd_close()
219 				if (nextclass->rfd_class == rfd->rfd_class) {  in rfd_close()
221 					    rfd->rfd_prev_class;  in rfd_close()
224 			free(rfd);  in rfd_close()
230 		rfd = rfdprev;  in rfd_close()