/*
 * Copyright 1997, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED
 * 
 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
 * States.   Use of a copyright notice is precautionary only and does not
 * imply publication or disclosure.
 * 
 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to restrictions
 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
 * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
 * 
 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
 * GRAPHICS, INC.
 */

//
// $Id: fdready.c++,v 1.2 1999/04/30 01:44:04 kenmcd Exp $
//
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>

int
fdready(int fd)
{
    int e;
    fd_set ready;
    FD_ZERO(&ready);
    FD_SET(fd, &ready);
    struct timeval immediate = {0, 0};

    e = select(fd+1, &ready, NULL, NULL, &immediate);
    if (e > 0 && FD_ISSET(fd, &ready))
	return 1;
    return 0;
}