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      1 #ifndef __ASM_GENERIC_POLL_H
      2 #define __ASM_GENERIC_POLL_H
      3 
      4 /* These are specified by iBCS2 */
      5 #define POLLIN		0x0001
      6 #define POLLPRI		0x0002
      7 #define POLLOUT		0x0004
      8 #define POLLERR		0x0008
      9 #define POLLHUP		0x0010
     10 #define POLLNVAL	0x0020
     11 
     12 /* The rest seem to be more-or-less nonstandard. Check them! */
     13 #define POLLRDNORM	0x0040
     14 #define POLLRDBAND	0x0080
     15 #ifndef POLLWRNORM
     16 #define POLLWRNORM	0x0100
     17 #endif
     18 #ifndef POLLWRBAND
     19 #define POLLWRBAND	0x0200
     20 #endif
     21 #ifndef POLLMSG
     22 #define POLLMSG		0x0400
     23 #endif
     24 #ifndef POLLREMOVE
     25 #define POLLREMOVE	0x1000
     26 #endif
     27 #ifndef POLLRDHUP
     28 #define POLLRDHUP       0x2000
     29 #endif
     30 
     31 #define POLLFREE	0x4000	/* currently only for epoll */
     32 
     33 #define POLL_BUSY_LOOP	0x8000
     34 
     35 struct pollfd {
     36 	int fd;
     37 	short events;
     38 	short revents;
     39 };
     40 
     41 #endif	/* __ASM_GENERIC_POLL_H */
     42