root/include/uapi/asm-generic/poll.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __ASM_GENERIC_POLL_H
   3 #define __ASM_GENERIC_POLL_H
   4 
   5 /* These are specified by iBCS2 */
   6 #define POLLIN          0x0001
   7 #define POLLPRI         0x0002
   8 #define POLLOUT         0x0004
   9 #define POLLERR         0x0008
  10 #define POLLHUP         0x0010
  11 #define POLLNVAL        0x0020
  12 
  13 /* The rest seem to be more-or-less nonstandard. Check them! */
  14 #define POLLRDNORM      0x0040
  15 #define POLLRDBAND      0x0080
  16 #ifndef POLLWRNORM
  17 #define POLLWRNORM      0x0100
  18 #endif
  19 #ifndef POLLWRBAND
  20 #define POLLWRBAND      0x0200
  21 #endif
  22 #ifndef POLLMSG
  23 #define POLLMSG         0x0400
  24 #endif
  25 #ifndef POLLREMOVE
  26 #define POLLREMOVE      0x1000
  27 #endif
  28 #ifndef POLLRDHUP
  29 #define POLLRDHUP       0x2000
  30 #endif
  31 
  32 #define POLLFREE        (__force __poll_t)0x4000        /* currently only for epoll */
  33 
  34 #define POLL_BUSY_LOOP  (__force __poll_t)0x8000
  35 
  36 struct pollfd {
  37         int fd;
  38         short events;
  39         short revents;
  40 };
  41 
  42 #endif  /* __ASM_GENERIC_POLL_H */