106 static int select_resize(struct selectop *sop, int fdsz);
107 static void select_free_selectop(struct selectop *sop);
112 	struct selectop *sop;  in select_init()  local
114 	if (!(sop = mm_calloc(1, sizeof(struct selectop))))  in select_init()
117 	if (select_resize(sop, SELECT_ALLOC_SIZE(32 + 1))) {  in select_init()
118 		select_free_selectop(sop);  in select_init()
126 	return (sop);  in select_init()
131 check_selectop(struct selectop *sop)  in check_selectop()  argument
136 #define check_selectop(sop) do { (void) sop; } while (0)  argument
143 	struct selectop *sop = base->evbase;  in select_dispatch()  local
145 	check_selectop(sop);  in select_dispatch()
146 	if (sop->resize_out_sets) {  in select_dispatch()
148 		size_t sz = sop->event_fdsz;  in select_dispatch()
149 		if (!(readset_out = mm_realloc(sop->event_readset_out, sz)))  in select_dispatch()
151 		sop->event_readset_out = readset_out;  in select_dispatch()
152 		if (!(writeset_out = mm_realloc(sop->event_writeset_out, sz))) {  in select_dispatch()
159 		sop->event_writeset_out = writeset_out;  in select_dispatch()
160 		sop->resize_out_sets = 0;  in select_dispatch()
163 	memcpy(sop->event_readset_out, sop->event_readset_in,  in select_dispatch()
164 	       sop->event_fdsz);  in select_dispatch()
165 	memcpy(sop->event_writeset_out, sop->event_writeset_in,  in select_dispatch()
166 	       sop->event_fdsz);  in select_dispatch()
168 	nfds = sop->event_fds+1;  in select_dispatch()
172 	res = select(nfds, sop->event_readset_out,  in select_dispatch()
173 	    sop->event_writeset_out, NULL, tv);  in select_dispatch()
177 	check_selectop(sop);  in select_dispatch()
190 	check_selectop(sop);  in select_dispatch()
196 		if (FD_ISSET(i, sop->event_readset_out))  in select_dispatch()
198 		if (FD_ISSET(i, sop->event_writeset_out))  in select_dispatch()
206 	check_selectop(sop);  in select_dispatch()
212 select_resize(struct selectop *sop, int fdsz)  in select_resize()  argument
217 	if (sop->event_readset_in)  in select_resize()
218 		check_selectop(sop);  in select_resize()
220 	if ((readset_in = mm_realloc(sop->event_readset_in, fdsz)) == NULL)  in select_resize()
222 	sop->event_readset_in = readset_in;  in select_resize()
223 	if ((writeset_in = mm_realloc(sop->event_writeset_in, fdsz)) == NULL) {  in select_resize()
232 	sop->event_writeset_in = writeset_in;  in select_resize()
233 	sop->resize_out_sets = 1;  in select_resize()
235 	memset((char *)sop->event_readset_in + sop->event_fdsz, 0,  in select_resize()
236 	    fdsz - sop->event_fdsz);  in select_resize()
237 	memset((char *)sop->event_writeset_in + sop->event_fdsz, 0,  in select_resize()
238 	    fdsz - sop->event_fdsz);  in select_resize()
240 	sop->event_fdsz = fdsz;  in select_resize()
241 	check_selectop(sop);  in select_resize()
254 	struct selectop *sop = base->evbase;  in select_add()  local
258 	check_selectop(sop);  in select_add()
263 	if (sop->event_fds < fd) {  in select_add()
264 		int fdsz = sop->event_fdsz;  in select_add()
275 		if (fdsz != sop->event_fdsz) {  in select_add()
276 			if (select_resize(sop, fdsz)) {  in select_add()
277 				check_selectop(sop);  in select_add()
282 		sop->event_fds = fd;  in select_add()
286 		FD_SET(fd, sop->event_readset_in);  in select_add()
288 		FD_SET(fd, sop->event_writeset_in);  in select_add()
289 	check_selectop(sop);  in select_add()
301 	struct selectop *sop = base->evbase;  in select_del()  local
305 	check_selectop(sop);  in select_del()
307 	if (sop->event_fds < fd) {  in select_del()
308 		check_selectop(sop);  in select_del()
313 		FD_CLR(fd, sop->event_readset_in);  in select_del()
316 		FD_CLR(fd, sop->event_writeset_in);  in select_del()
318 	check_selectop(sop);  in select_del()
323 select_free_selectop(struct selectop *sop)  in select_free_selectop()  argument
325 	if (sop->event_readset_in)  in select_free_selectop()
326 		mm_free(sop->event_readset_in);  in select_free_selectop()
327 	if (sop->event_writeset_in)  in select_free_selectop()
328 		mm_free(sop->event_writeset_in);  in select_free_selectop()
329 	if (sop->event_readset_out)  in select_free_selectop()
330 		mm_free(sop->event_readset_out);  in select_free_selectop()
331 	if (sop->event_writeset_out)  in select_free_selectop()
332 		mm_free(sop->event_writeset_out);  in select_free_selectop()
334 	memset(sop, 0, sizeof(struct selectop));  in select_free_selectop()
335 	mm_free(sop);  in select_free_selectop()