#include <stdio.h>
#include <unistd.h>
+#include <sys/epoll.h>
#include "baud.h"
int main(int argc, char *argv[])
{
+ struct epoll_event ev;
int fd, baud, ret;
+ int epoll_fd;
char *device;
char buf[256];
return 1;
}
+ epoll_fd = epoll_create(1);
+
+ ev.events = EPOLLIN;
+ ev.data.fd = fd;
+ if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ev) == -1) {
+ perror("epoll_ctl");
+ return 1;
+ }
+
while (1) {
+ ret = epoll_wait(epoll_fd, &ev, 1, -1);
+ if (ret == 0)
+ continue;
+
+ if (ret < 0) {
+ perror("epoll");
+ return 1;
+ }
+
ret = read(fd, buf, sizeof(buf));
if (read < 0) {
perror("read");
break;
}
- if (read == 0)
- break;
-
ret = write(1, buf, ret);
if (read < 0) {
perror("write");