97 static int select_resize(struct selectop *sop, int fdsz);
98 static void select_free_selectop(struct selectop *sop);
103 	struct selectop *sop;  in select_init()  local
105 	if (!(sop = mm_calloc(1, sizeof(struct selectop))))  in select_init()
108 	if (select_resize(sop, SELECT_ALLOC_SIZE(32 + 1))) {  in select_init()
109 		select_free_selectop(sop);  in select_init()
115 	return (sop);  in select_init()
120 check_selectop(struct selectop *sop)  in check_selectop()  argument
125 #define check_selectop(sop) do { (void) sop; } while (0)  argument
132 	struct selectop *sop = base->evbase;  in select_dispatch()  local
134 	check_selectop(sop);  in select_dispatch()
135 	if (sop->resize_out_sets) {  in select_dispatch()
137 		size_t sz = sop->event_fdsz;  in select_dispatch()
138 		if (!(readset_out = mm_realloc(sop->event_readset_out, sz)))  in select_dispatch()
140 		sop->event_readset_out = readset_out;  in select_dispatch()
141 		if (!(writeset_out = mm_realloc(sop->event_writeset_out, sz))) {  in select_dispatch()
148 		sop->event_writeset_out = writeset_out;  in select_dispatch()
149 		sop->resize_out_sets = 0;  in select_dispatch()
152 	memcpy(sop->event_readset_out, sop->event_readset_in,  in select_dispatch()
153 	       sop->event_fdsz);  in select_dispatch()
154 	memcpy(sop->event_writeset_out, sop->event_writeset_in,  in select_dispatch()
155 	       sop->event_fdsz);  in select_dispatch()
157 	nfds = sop->event_fds+1;  in select_dispatch()
161 	res = select(nfds, sop->event_readset_out,  in select_dispatch()
162 	    sop->event_writeset_out, NULL, tv);  in select_dispatch()
166 	check_selectop(sop);  in select_dispatch()
179 	check_selectop(sop);  in select_dispatch()
185 		if (FD_ISSET(i, sop->event_readset_out))  in select_dispatch()
187 		if (FD_ISSET(i, sop->event_writeset_out))  in select_dispatch()
195 	check_selectop(sop);  in select_dispatch()
201 select_resize(struct selectop *sop, int fdsz)  in select_resize()  argument
206 	if (sop->event_readset_in)  in select_resize()
207 		check_selectop(sop);  in select_resize()
209 	if ((readset_in = mm_realloc(sop->event_readset_in, fdsz)) == NULL)  in select_resize()
211 	sop->event_readset_in = readset_in;  in select_resize()
212 	if ((writeset_in = mm_realloc(sop->event_writeset_in, fdsz)) == NULL) {  in select_resize()
221 	sop->event_writeset_in = writeset_in;  in select_resize()
222 	sop->resize_out_sets = 1;  in select_resize()
224 	memset((char *)sop->event_readset_in + sop->event_fdsz, 0,  in select_resize()
225 	    fdsz - sop->event_fdsz);  in select_resize()
226 	memset((char *)sop->event_writeset_in + sop->event_fdsz, 0,  in select_resize()
227 	    fdsz - sop->event_fdsz);  in select_resize()
229 	sop->event_fdsz = fdsz;  in select_resize()
230 	check_selectop(sop);  in select_resize()
243 	struct selectop *sop = base->evbase;  in select_add()  local
247 	check_selectop(sop);  in select_add()
252 	if (sop->event_fds < fd) {  in select_add()
253 		int fdsz = sop->event_fdsz;  in select_add()
264 		if (fdsz != sop->event_fdsz) {  in select_add()
265 			if (select_resize(sop, fdsz)) {  in select_add()
266 				check_selectop(sop);  in select_add()
271 		sop->event_fds = fd;  in select_add()
275 		FD_SET(fd, sop->event_readset_in);  in select_add()
277 		FD_SET(fd, sop->event_writeset_in);  in select_add()
278 	check_selectop(sop);  in select_add()
290 	struct selectop *sop = base->evbase;  in select_del()  local
294 	check_selectop(sop);  in select_del()
296 	if (sop->event_fds < fd) {  in select_del()
297 		check_selectop(sop);  in select_del()
302 		FD_CLR(fd, sop->event_readset_in);  in select_del()
305 		FD_CLR(fd, sop->event_writeset_in);  in select_del()
307 	check_selectop(sop);  in select_del()
312 select_free_selectop(struct selectop *sop)  in select_free_selectop()  argument
314 	if (sop->event_readset_in)  in select_free_selectop()
315 		mm_free(sop->event_readset_in);  in select_free_selectop()
316 	if (sop->event_writeset_in)  in select_free_selectop()
317 		mm_free(sop->event_writeset_in);  in select_free_selectop()
318 	if (sop->event_readset_out)  in select_free_selectop()
319 		mm_free(sop->event_readset_out);  in select_free_selectop()
320 	if (sop->event_writeset_out)  in select_free_selectop()
321 		mm_free(sop->event_writeset_out);  in select_free_selectop()
323 	memset(sop, 0, sizeof(struct selectop));  in select_free_selectop()
324 	mm_free(sop);  in select_free_selectop()