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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 4.iso
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fax
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src
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util
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ondelay.c
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C/C++ Source or Header
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1994-08-01
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/* $Header: /usr/people/sam/fax/util/RCS/ondelay.c,v 1.4 1994/02/28 14:24:34 sam Rel $
/*
* Copyright (c) 1993, 1994 Sam Leffler
* Copyright (c) 1993, 1994 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include "port.h"
#ifndef O_NDELAY
#ifdef O_NONBLOCK
#define O_NDELAY O_NONBLOCK
#else
#define O_NDELAY 0
#endif
#endif
int
main(int ac, char* av[])
{
close(0);
if (open(av[1], O_RDWR|O_NDELAY) < 0) {
perror(av[1]);
return (-1);
}
(void) fcntl(0, F_SETFL, fcntl(0, F_GETFL, 0) &~ O_NDELAY);
close(1); dup(0); /* for Ultrix and other old BSD stty(1)s */
execvp(av[2], &av[2]);
perror(av[2]);
return (-1);
}