4 #define POLLIN (1 << 0)
5 #define POLLPRI (1 << 1)
6 #define POLLOUT (1 << 2)
7 #define POLLERR (1 << 3)
8 #define POLLHUP (1 << 4)
9 #define POLLNVAL (1 << 5)
10 #define POLLRDNORM (1 << 6)
11 #define POLLRDBAND (1 << 7)
12 #define POLLWRNORM (1 << 8)
13 #define POLLWRBAND (1 << 9)
14 #define POLLMSG (1 << 10)
15 #define POLLREMOVE (1 << 11)