#include <sys/socket.h>
#include <sys/un.h>
#include <netdb.h>
+#include <poll.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
usock_set_flags(sock, type);
return sock;
}
+
+int usock_wait_ready(int fd, int msecs) {
+ struct pollfd fds[1];
+ int res;
+
+ fds[0].fd = fd;
+ fds[0].events = POLLOUT;
+
+ res = poll(fds, 1, msecs);
+ if (res < 0) {
+ return errno;
+ } else if (res == 0) {
+ return -ETIMEDOUT;
+ } else {
+ int err = 0;
+ socklen_t optlen = sizeof(err);
+
+ res = getsockopt(fd, SOL_SOCKET, SO_ERROR, &err, &optlen);
+ if (res)
+ return errno;
+ if (err)
+ return err;
+ }
+
+ return 0;
+}