MinGW runtime 3.15 has a wrapper for usleep().
[libav.git] / libavformat / os_support.h
1 /*
2 * various utilities for ffmpeg system
3 * copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef AVFORMAT_OS_SUPPORT_H
23 #define AVFORMAT_OS_SUPPORT_H
24
25 /**
26 * @file os_support.h
27 * miscellaneous OS support macros and functions.
28 */
29
30 #ifdef __MINGW32__
31 # include <fcntl.h>
32 # define lseek(f,p,w) _lseeki64((f), (p), (w))
33 #endif
34
35 #ifdef __BEOS__
36 # include <sys/socket.h>
37 # include <netinet/in.h>
38 /* not net_server ? */
39 # include <BeBuild.h>
40 /* R5 didn't have usleep, fake it. Haiku and Zeta has it now. */
41 # if B_BEOS_VERSION <= B_BEOS_VERSION_5
42 # include <OS.h>
43 /* doesn't set errno but that's enough */
44 # define usleep(t) snooze((bigtime_t)(t))
45 # endif
46 # ifndef SA_RESTART
47 # warning SA_RESTART not implemented; ffserver might misbehave.
48 # define SA_RESTART 0
49 # endif
50 #endif
51
52 #ifdef CONFIG_NETWORK
53 #ifndef HAVE_SOCKLEN_T
54 typedef int socklen_t;
55 #endif
56
57 /* most of the time closing a socket is just closing an fd */
58 #ifndef HAVE_CLOSESOCKET
59 #define closesocket close
60 #endif
61
62 #ifdef CONFIG_FFSERVER
63 #ifndef HAVE_POLL_H
64 typedef unsigned long nfds_t;
65
66 struct pollfd {
67 int fd;
68 short events; /* events to look for */
69 short revents; /* events that occurred */
70 };
71
72 /* events & revents */
73 #define POLLIN 0x0001 /* any readable data available */
74 #define POLLOUT 0x0002 /* file descriptor is writeable */
75 #define POLLRDNORM POLLIN
76 #define POLLWRNORM POLLOUT
77 #define POLLRDBAND 0x0008 /* priority readable data */
78 #define POLLWRBAND 0x0010 /* priority data can be written */
79 #define POLLPRI 0x0020 /* high priority readable data */
80
81 /* revents only */
82 #define POLLERR 0x0004 /* errors pending */
83 #define POLLHUP 0x0080 /* disconnected */
84 #define POLLNVAL 0x1000 /* invalid file descriptor */
85
86
87 extern int poll(struct pollfd *fds, nfds_t numfds, int timeout);
88 #endif /* HAVE_POLL_H */
89 #endif /* CONFIG_FFSERVER */
90 #endif /* CONFIG_NETWORK */
91
92 #endif /* AVFORMAT_OS_SUPPORT_H */