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	Make it build and run on MacOS X
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1673 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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							| @@ -0,0 +1,101 @@ | ||||
| /*---------------------------------------------------------------------------*\ | ||||
|   $Id$ | ||||
|  | ||||
|   NAME | ||||
|  | ||||
| 	poll - select(2)-based poll() emulation function for BSD systems. | ||||
|  | ||||
|   SYNOPSIS | ||||
| 	#include "poll.h" | ||||
|  | ||||
| 	struct pollfd | ||||
| 	{ | ||||
| 	    int     fd; | ||||
| 	    short   events; | ||||
| 	    short   revents; | ||||
| 	} | ||||
|  | ||||
| 	int poll (struct pollfd *pArray, unsigned long n_fds, int timeout) | ||||
|  | ||||
|   DESCRIPTION | ||||
|  | ||||
| 	This file, and the accompanying "poll.c", implement the System V | ||||
| 	poll(2) system call for BSD systems (which typically do not provide | ||||
| 	poll()).  Poll() provides a method for multiplexing input and output | ||||
| 	on multiple open file descriptors; in traditional BSD systems, that | ||||
| 	capability is provided by select().  While the semantics of select() | ||||
| 	differ from those of poll(), poll() can be readily emulated in terms | ||||
| 	of select() -- which is how this function is implemented. | ||||
|  | ||||
|   REFERENCES | ||||
| 	Stevens, W. Richard. Unix Network Programming.  Prentice-Hall, 1990. | ||||
|  | ||||
|   NOTES | ||||
| 	1. This software requires an ANSI C compiler. | ||||
|  | ||||
|   LICENSE | ||||
|  | ||||
| 	This software is released under the following license: | ||||
|  | ||||
| 		Copyright (c) 1995-2002 Brian M. Clapper | ||||
| 		All rights reserved. | ||||
|  | ||||
| 		Redistribution and use in source and binary forms are | ||||
| 		permitted provided that: (1) source distributions retain | ||||
| 		this entire copyright notice and comment; (2) modifications | ||||
| 		made to the software are prominently mentioned, and a copy | ||||
| 		of the original software (or a pointer to its location) are | ||||
| 		included; and (3) distributions including binaries display | ||||
| 		the following acknowledgement: "This product includes | ||||
| 		software developed by Brian M. Clapper <bmc@clapper.org>" | ||||
| 		in the documentation or other materials provided with the | ||||
| 		distribution. The name of the author may not be used to | ||||
| 		endorse or promote products derived from this software | ||||
| 		without specific prior written permission. | ||||
|  | ||||
| 		THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS | ||||
| 		OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE | ||||
| 		IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||||
| 		PARTICULAR PURPOSE. | ||||
|  | ||||
| 	Effectively, this means you can do what you want with the software | ||||
| 	except remove this notice or take advantage of the author's name. | ||||
| 	If you modify the software and redistribute your modified version, | ||||
| 	you must indicate that your version is a modification of the | ||||
| 	original, and you must provide either a pointer to or a copy of the | ||||
| 	original. | ||||
| \*---------------------------------------------------------------------------*/ | ||||
|  | ||||
| #ifndef _POLL_EMUL_H_ | ||||
| #define _POLL_EMUL_H_ | ||||
|  | ||||
| #define POLLIN		0x01 | ||||
| #define POLLPRI		0x02 | ||||
| #define POLLOUT		0x04 | ||||
| #define POLLERR		0x08 | ||||
| #define POLLHUP		0x10 | ||||
| #define POLLNVAL	0x20 | ||||
|  | ||||
| struct pollfd | ||||
| { | ||||
|     int     fd; | ||||
|     short   events; | ||||
|     short   revents; | ||||
| }; | ||||
|  | ||||
| #ifdef __cplusplus | ||||
| extern "C" | ||||
| { | ||||
| #endif | ||||
|  | ||||
| #if (__STDC__ > 0) || defined(__cplusplus) | ||||
| extern int poll (struct pollfd *pArray, unsigned long n_fds, int timeout); | ||||
| #else | ||||
| extern int poll(); | ||||
| #endif | ||||
|  | ||||
| #ifdef __cplusplus | ||||
| } | ||||
| #endif | ||||
|  | ||||
| #endif /* _POLL_EMUL_H_ */ | ||||
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