3 #include <sys/select.h>
38 		printf("ok %-2d    ", num);  in report()
40 		printf("not ok %-2d", num);  in report()
72 		errx(1, "fd = %d too large for select()", fd);  in child()
76 		if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
77 			err(1, "select");  in child()
80 		 * writer) is reported quite differently for select() than  in child()
81 		 * for poll().  select() must see a ready-to-read descriptor  in child()
107 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
108 		err(1, "select");  in child()
116 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
117 		err(1, "select");  in child()
122 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
123 		err(1, "select");  in child()
131 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
132 		err(1, "select");  in child()
147 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
148 		err(1, "select");  in child()
156 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
157 		err(1, "select");  in child()
166 	 * writer.  Check that we have a data-readable condition, and that  in child()
167 	 * the data can be read in the usual way.  in child()
170 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
171 		err(1, "select");  in child()
176 	if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
177 		err(1, "select");  in child()
181 		 * Check that the readable-data condition is sticky for a  in child()
183 		 * a hangup condition, but select() can only see this as  in child()
184 		 * a readable-data condition for null data.  select()  in child()
196 		if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
197 			err(1, "select");  in child()
201 		if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
202 			err(1, "select");  in child()
206 		if (select(fd + 1, &rfds, NULL, NULL, &tv) < 0)  in child()
207 			err(1, "select");  in child()
287 			fd[0] = -1;  in main()
288 			fd[1] = -1;  in main()
302 		case -1:  in main()