HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| 428f9e95 JE |
1 | /* Header for poll(2) emulation |
| 2 | Contributed by Paolo Bonzini. | |
| 3 | ||
| 5e69ceb7 | 4 | Copyright 2001-2003, 2007, 2009-2014 Free Software Foundation, Inc. |
| 428f9e95 JE |
5 | |
| 6 | This file is part of gnulib. | |
| 7 | ||
| 8 | This program is free software; you can redistribute it and/or modify | |
| 9 | it under the terms of the GNU Lesser General Public License as published by | |
| 10 | the Free Software Foundation; either version 2, or (at your option) | |
| 11 | any later version. | |
| 12 | ||
| 13 | This program is distributed in the hope that it will be useful, | |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | GNU Lesser General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU Lesser General Public License along | |
| 19 | with this program; if not, see <http://www.gnu.org/licenses/>. */ | |
| 20 | ||
| 21 | #ifndef _@GUARD_PREFIX@_POLL_H | |
| 22 | ||
| 23 | #if __GNUC__ >= 3 | |
| 24 | @PRAGMA_SYSTEM_HEADER@ | |
| 25 | #endif | |
| 26 | @PRAGMA_COLUMNS@ | |
| 27 | ||
| 28 | /* The include_next requires a split double-inclusion guard. */ | |
| 29 | #if @HAVE_POLL_H@ | |
| 30 | # @INCLUDE_NEXT@ @NEXT_POLL_H@ | |
| 31 | #endif | |
| 32 | ||
| 33 | #ifndef _@GUARD_PREFIX@_POLL_H | |
| 34 | #define _@GUARD_PREFIX@_POLL_H | |
| 35 | ||
| 36 | ||
| 37 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ | |
| 38 | ||
| 39 | /* The definition of _GL_WARN_ON_USE is copied here. */ | |
| 40 | ||
| 41 | ||
| 42 | #if !@HAVE_POLL_H@ | |
| 43 | ||
| 44 | /* fake a poll(2) environment */ | |
| 45 | # define POLLIN 0x0001 /* any readable data available */ | |
| 46 | # define POLLPRI 0x0002 /* OOB/Urgent readable data */ | |
| 47 | # define POLLOUT 0x0004 /* file descriptor is writable */ | |
| 48 | # define POLLERR 0x0008 /* some poll error occurred */ | |
| 49 | # define POLLHUP 0x0010 /* file descriptor was "hung up" */ | |
| 50 | # define POLLNVAL 0x0020 /* requested events "invalid" */ | |
| 51 | # define POLLRDNORM 0x0040 | |
| 52 | # define POLLRDBAND 0x0080 | |
| 53 | # define POLLWRNORM 0x0100 | |
| 54 | # define POLLWRBAND 0x0200 | |
| 55 | ||
| 56 | # if !GNULIB_defined_poll_types | |
| 57 | ||
| 58 | struct pollfd | |
| 59 | { | |
| 60 | int fd; /* which file descriptor to poll */ | |
| 61 | short events; /* events we are interested in */ | |
| 62 | short revents; /* events found on return */ | |
| 63 | }; | |
| 64 | ||
| 65 | typedef unsigned long nfds_t; | |
| 66 | ||
| 67 | # define GNULIB_defined_poll_types 1 | |
| 68 | # endif | |
| 69 | ||
| 70 | /* Define INFTIM only if doing so conforms to POSIX. */ | |
| 71 | # if !defined (_POSIX_C_SOURCE) && !defined (_XOPEN_SOURCE) | |
| 72 | # define INFTIM (-1) | |
| 73 | # endif | |
| 74 | ||
| 75 | #endif | |
| 76 | ||
| 77 | ||
| 78 | #if @GNULIB_POLL@ | |
| 79 | # if @REPLACE_POLL@ | |
| 80 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | |
| 81 | # undef poll | |
| 82 | # define poll rpl_poll | |
| 83 | # endif | |
| 84 | _GL_FUNCDECL_RPL (poll, int, (struct pollfd *pfd, nfds_t nfd, int timeout)); | |
| 85 | _GL_CXXALIAS_RPL (poll, int, (struct pollfd *pfd, nfds_t nfd, int timeout)); | |
| 86 | # else | |
| 87 | # if !@HAVE_POLL@ | |
| 88 | _GL_FUNCDECL_SYS (poll, int, (struct pollfd *pfd, nfds_t nfd, int timeout)); | |
| 89 | # endif | |
| 90 | _GL_CXXALIAS_SYS (poll, int, (struct pollfd *pfd, nfds_t nfd, int timeout)); | |
| 91 | # endif | |
| 92 | _GL_CXXALIASWARN (poll); | |
| 93 | #elif defined GNULIB_POSIXCHECK | |
| 94 | # undef poll | |
| 95 | # if HAVE_RAW_DECL_POLL | |
| 96 | _GL_WARN_ON_USE (poll, "poll is unportable - " | |
| 97 | "use gnulib module poll for portability"); | |
| 98 | # endif | |
| 99 | #endif | |
| 100 | ||
| 101 | ||
| 102 | #endif /* _@GUARD_PREFIX@_POLL_H */ | |
| 103 | #endif /* _@GUARD_PREFIX@_POLL_H */ |