| Line | |
|---|
| 1 | /*
|
|---|
| 2 | * poll.h
|
|---|
| 3 | *
|
|---|
| 4 | * Copyright (c) 1997-8 Graham Barr <[email protected]>. All rights reserved.
|
|---|
| 5 | * This program is free software; you can redistribute it and/or
|
|---|
| 6 | * modify it under the same terms as Perl itself.
|
|---|
| 7 | *
|
|---|
| 8 | */
|
|---|
| 9 |
|
|---|
| 10 | #ifndef POLL_H
|
|---|
| 11 | # define POLL_H
|
|---|
| 12 |
|
|---|
| 13 | #if (defined(HAS_POLL) && defined(I_POLL)) || defined(POLLWRBAND)
|
|---|
| 14 | # include <poll.h>
|
|---|
| 15 | #else
|
|---|
| 16 | #ifdef HAS_SELECT
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 | /* We shall emulate poll using select */
|
|---|
| 20 |
|
|---|
| 21 | #define EMULATE_POLL_WITH_SELECT
|
|---|
| 22 |
|
|---|
| 23 | #ifdef poll
|
|---|
| 24 | # undef poll
|
|---|
| 25 | #endif
|
|---|
| 26 | #define poll Perl_my_poll
|
|---|
| 27 |
|
|---|
| 28 | typedef struct pollfd {
|
|---|
| 29 | int fd;
|
|---|
| 30 | short events;
|
|---|
| 31 | short revents;
|
|---|
| 32 | } pollfd_t;
|
|---|
| 33 |
|
|---|
| 34 | #define POLLIN 0x0001
|
|---|
| 35 | #define POLLPRI 0x0002
|
|---|
| 36 | #define POLLOUT 0x0004
|
|---|
| 37 | #define POLLRDNORM 0x0040
|
|---|
| 38 | #define POLLWRNORM POLLOUT
|
|---|
| 39 | #define POLLRDBAND 0x0080
|
|---|
| 40 | #define POLLWRBAND 0x0100
|
|---|
| 41 | #define POLLNORM POLLRDNORM
|
|---|
| 42 |
|
|---|
| 43 | /* Return ONLY events (NON testable) */
|
|---|
| 44 |
|
|---|
| 45 | #define POLLERR 0x0008
|
|---|
| 46 | #define POLLHUP 0x0010
|
|---|
| 47 | #define POLLNVAL 0x0020
|
|---|
| 48 |
|
|---|
| 49 | int poll (struct pollfd *, unsigned long, int);
|
|---|
| 50 |
|
|---|
| 51 | #ifndef HAS_POLL
|
|---|
| 52 | # define HAS_POLL
|
|---|
| 53 | #endif
|
|---|
| 54 |
|
|---|
| 55 | #endif /* HAS_SELECT */
|
|---|
| 56 |
|
|---|
| 57 | #endif /* I_POLL */
|
|---|
| 58 |
|
|---|
| 59 | #endif /* POLL_H */
|
|---|
| 60 |
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
