2 * various utilities for ffmpeg system
3 * copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
27 * miscellaneous OS support macros and functions.
29 * - socklen_t typedef (BeOS, Innotek libc)
30 * - usleep() (Win32, BeOS)
33 * - poll() (BeOS, MinGW)
36 #if defined(__BEOS__) || defined(__INNOTEK_LIBC__)
37 typedef int socklen_t;
41 __declspec(dllimport) void __stdcall Sleep(unsigned long dwMilliseconds);
42 // # include <windows.h>
43 # define usleep(t) Sleep((t) / 1000)
45 # define lseek(f,p,w) _lseeki64((f), (p), (w))
48 #ifdef HAVE_WINSOCK2_H
49 # define HAVE_CLOSESOCKET 1
53 # include <sys/socket.h>
54 # include <netinet/in.h>
55 /* not net_server ? */
57 # define HAVE_CLOSESOCKET 1
60 /* R5 didn't have usleep, fake it. Haiku and Zeta has it now. */
61 # if B_BEOS_VERSION <= B_BEOS_VERSION_5
63 /* doesn't set errno but that's enough */
64 # define usleep(t) snooze((bigtime_t)(t))
67 # warning SA_RESTART not implemented; ffserver might misbehave.
72 /* most of the time closing a socket is just closing an fd */
73 #if HAVE_CLOSESOCKET != 1
74 #define closesocket close
77 #ifdef CONFIG_FFSERVER
78 #ifndef HAVE_SYS_POLL_H
79 typedef unsigned long nfds_t;
83 short events; /* events to look for */
84 short revents; /* events that occured */
87 /* events & revents */
88 #define POLLIN 0x0001 /* any readable data available */
89 #define POLLOUT 0x0002 /* file descriptor is writeable */
90 #define POLLRDNORM POLLIN
91 #define POLLWRNORM POLLOUT
92 #define POLLRDBAND 0x0008 /* priority readable data */
93 #define POLLWRBAND 0x0010 /* priority data can be written */
94 #define POLLPRI 0x0020 /* high priority readable data */
97 #define POLLERR 0x0004 /* errors pending */
98 #define POLLHUP 0x0080 /* disconnected */
99 #define POLLNVAL 0x1000 /* invalid file descriptor */
102 extern int poll(struct pollfd *fds, nfds_t numfds, int timeout);
103 #endif /* HAVE_SYS_POLL_H */
104 #endif /* CONFIG_FFSERVER */
106 #endif /* OS_SUPPORT_H */