46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* Copyright 1997, Silicon Graphics, Inc.
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* ALL RIGHTS RESERVED
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*
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* UNPUBLISHED -- Rights reserved under the copyright laws of the United
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* States. Use of a copyright notice is precautionary only and does not
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* imply publication or disclosure.
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*
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* U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
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* Use, duplication or disclosure by the Government is subject to restrictions
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* as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
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* in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
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* in similar or successor clauses in the FAR, or the DOD or NASA FAR
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* Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
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* 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
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*
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* THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
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* INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
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* DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
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* PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
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* GRAPHICS, INC.
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*/
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//
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// $Id: fdready.c++,v 1.2 1999/04/30 01:44:04 kenmcd Exp $
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//
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#include <errno.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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int
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fdready(int fd)
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{
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int e;
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fd_set ready;
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FD_ZERO(&ready);
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FD_SET(fd, &ready);
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struct timeval immediate = {0, 0};
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e = select(fd+1, &ready, NULL, NULL, &immediate);
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if (e > 0 && FD_ISSET(fd, &ready))
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return 1;
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return 0;
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}
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