FreeTDS API

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poll.h
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1
5#if !defined(_REPLACEMENTS_POLL_H) && !defined(HAVE_POLL)
6#define _REPLACEMENTS_POLL_H
7
8#include <config.h>
9
10#if HAVE_LIMITS_H
11#include <limits.h>
12#endif
13
14#if HAVE_SYS_SELECT_H
15#include <sys/select.h>
16#endif
17
18#if defined(_WIN32)
19#include <winsock2.h>
20#endif
21
22#if defined(__VMS)
23#include <time.h> /* FD_SETSIZE is in here */
24#endif
25
26#if !defined(FD_SETSIZE)
27# if !defined(OPEN_MAX)
28# error cannot establish FD_SETSIZE
29# endif
30#define FD_SETSIZE OPEN_MAX
31#endif
32
33#include <freetds/pushvis.h>
34
35#ifndef _WIN32
36/* poll flags */
37# define POLLIN 0x0001
38# define POLLOUT 0x0004
39# define POLLERR 0x0008
40
41/* synonyms */
42# define POLLNORM POLLIN
43# define POLLPRI POLLIN
44# define POLLRDNORM POLLIN
45# define POLLRDBAND POLLIN
46# define POLLWRNORM POLLOUT
47# define POLLWRBAND POLLOUT
48
49/* ignored */
50# define POLLHUP 0x0010
51# define POLLNVAL 0x0020
52 typedef struct pollfd {
53 int fd; /* file descriptor to poll */
54 short events; /* events of interest on fd */
55 short revents; /* events that occurred on fd */
56} pollfd_t;
57
58#else /* Windows */
59/*
60 * Windows use different constants then Unix
61 * Newer version have a WSAPoll which is equal to Unix poll
62 */
63# if !defined(POLLRDNORM) && !defined(POLLWRNORM)
64# define POLLIN 0x0300
65# define POLLOUT 0x0010
66# define POLLERR 0x0001
67# define POLLRDNORM 0x0100
68# define POLLWRNORM 0x0010
69 typedef struct pollfd {
70 SOCKET fd; /* file descriptor to poll */
71 short events; /* events of interest on fd */
72 short revents; /* events that occurred on fd */
73} pollfd_t;
74# else
75 typedef struct pollfd pollfd_t;
76# endif
77#endif
78
79#undef poll
80 int tds_poll(struct pollfd fds[], int nfds, int timeout);
81#define poll(fds, nfds, timeout) tds_poll(fds, nfds, timeout)
82
83#include <freetds/popvis.h>
84
85#endif
pollfd
Definition poll.h:52