sys/fifofs/fifotest.c

86 	int fd;
97 	if ((fd = open(fifo, O_RDWR | flags)) == -1) {
107 	dopoll(-1, fd, POLLIN|POLLOUT, "POLLIN|POLLOUT", timeout);
108 	dopoll(-1, fd, POLLIN, "POLLIN", timeout);
109 	dopoll(-1, fd, POLLOUT, "POLLOUT", timeout);
110 	dopoll(-1, fd, 0, "(none)", timeout);
111 	doselect(-1, fd, fd, timeout);
112 	doselect(-1, fd, -1, timeout);
113 	doselect(-1, -1, fd, timeout);
116 	if (write(fd, "test", 4) != 4) {
122 	dopoll(-1, fd, POLLIN|POLLOUT, "POLLIN|POLLOUT", timeout);
123 	dopoll(-1, fd, POLLIN, "POLLIN", timeout);
124 	dopoll(-1, fd, POLLOUT, "POLLOUT", timeout);
125 	dopoll(-1, fd, 0, "(none)", timeout);
126 	doselect(-1, fd, fd, timeout);
127 	doselect(-1, fd, -1, timeout);
128 	doselect(-1, -1, fd, timeout);
131 	if ((nread = read(fd, buf, sizeof(buf))) <= 0) {
142 	int fd;
171 	fd = open(fifo, O_WRONLY | flags);
173 	if (fd == -1) {
180 	 * before we close the fd.  This is racey...
183 	close(fd);
191 	int fd = -1, pass, status;
204 			if (fd != -1)
205 				close(fd);
214 			if ((fd = open(fifo, O_RDONLY | flags, 0644)) == -1) {
237 		    dopoll(writer, fd, POLLIN|POLLOUT, "POLLIN|POLLOUT", timeout);
241 		    dopoll(writer, fd, POLLIN, "POLLIN", timeout);
245 		    dopoll(writer, fd, POLLOUT, "POLLOUT", timeout);
249 		    dopoll(writer, fd, 0, "(none)", timeout);
253 		    doselect(writer, fd, fd, timeout);
257 		    doselect(writer, fd, -1, timeout);
261 		    doselect(writer, -1, fd, timeout);
269 		if ((nread = read(fd, buf, sizeof(buf))) < 0) {
277 	close(fd);
282 dopoll(pid_t writer, int fd, int events, char *str, int timeout)
287 	pfd.fd = fd;
301 	printf("\t\t%d fd(s) ready%s", nready, nready ? ", revents ==" : "");
358 	printf("\t\t%d fd(s) ready", nready);