include/uapi/asm-generic/poll.h

   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 */