1 /* $Id$ */
2 /*
3 * Copyright (c) 1993-1996 Sam Leffler
4 * Copyright (c) 1993-1996 Silicon Graphics, Inc.
5 *
6 * Permission to use, copy, modify, distribute, and sell this software and
7 * its documentation for any purpose is hereby granted without fee, provided
8 * that (i) the above copyright notices and this permission notice appear in
9 * all copies of the software and related documentation, and (ii) the names of
10 * Sam Leffler and Silicon Graphics may not be used in any advertising or
11 * publicity relating to the software without the specific, prior written
12 * permission of Sam Leffler and Silicon Graphics.
13 *
14 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
16 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
19 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
20 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
21 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
22 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
23 * OF THIS SOFTWARE.
24 */
25 #include <sys/types.h>
26 #include <sys/stat.h>
27 #include <fcntl.h>
28 #include <unistd.h>
29 #include <stdio.h>
30
31 #include "port.h"
32
33 #ifndef O_NDELAY
34 #ifdef O_NONBLOCK
35 #define O_NDELAY O_NONBLOCK
36 #else
37 #define O_NDELAY 0
38 #endif
39 #endif
40
41 int
main(int ac,char * av[])42 main(int ac, char* av[])
43 {
44 close(0);
45 if (open(av[1], O_RDWR|O_NDELAY) < 0) {
46 perror(av[1]);
47 return (-1);
48 }
49 (void) fcntl(0, F_SETFL, fcntl(0, F_GETFL, 0) &~ O_NDELAY);
50 #ifndef ONDELAY_NOSTDINDUP
51 close(1); dup(0); /* for Ultrix and other old BSD stty(1)s */
52 #endif
53 execvp(av[2], &av[2]);
54 perror(av[2]);
55 return (-1);
56 }
57