src/common/fakepoll.h

   1 /* Copyright 2002,2003 Nick Mathewson, Roger Dingledine. */
   2 /* See LICENSE for licensing information */
   3 /* $Id$ */
   4
   5 #ifndef __FAKEPOLL_H
   6 #define __FAKEPOLL_H
   7
   8 #include "orconfig.h"
   9
  10 #define POLL_NO_WARN
  11
  12 #if defined(HAVE_POLL_H)
  13 #include <poll.h>
  14 #elif defined(HAVE_SYS_POLL_H)
  15 #include <sys/poll.h>
  16 #endif
  17
  18 /* If _POLL_EMUL_H_ is defined, then poll is just a just a thin wrapper around
  19  * select.  On Mac OS 10.3, this wrapper is kinda flaky, and we should
  20  * use our own.
  21  */
  22 #if !(defined(HAVE_POLL_H)||defined(HAVE_SYS_POLL_H))&&!defined(_POLL_EMUL_H_)
  23 #define USE_FAKE_POLL
  24 #endif
  25
  26 #if defined USE_FAKE_POLL && !defined(_POLL_EMUL_H_)
  27 struct pollfd {
  28   int fd;
  29   short events;
  30   short revents;
  31 };
  32
  33 #define POLLIN   0x0001
  34 #define POLLPRI  0x0002
  35 #define POLLOUT  0x0004
  36 #define POLLERR  0x0008
  37 #define POLLHUP  0x0010
  38 #define POLLNVAL 0x0020
  39 #endif
  40
  41 int tor_poll(struct pollfd *ufds, unsigned int nfds, int timeout);
  42
  43 #endif
  44
  45 /*
  46   Local Variables:
  47   mode:c
  48   indent-tabs-mode:nil
  49   c-basic-offset:2
  50   End:
  51 */