70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
|
#ifndef lint
|
||
|
|
static char sccsid[] = "@(#)detach.c 2.2 88/08/10 4.0 RPCSRC";
|
||
|
|
#endif
|
||
|
|
/*
|
||
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
||
|
|
* unrestricted use provided that this legend is included on all tape
|
||
|
|
* media and as a part of the software program in whole or part. Users
|
||
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
||
|
|
* to license or distribute it to anyone else except as part of a product or
|
||
|
|
* program developed by the user.
|
||
|
|
*
|
||
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
||
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
||
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
||
|
|
*
|
||
|
|
* Sun RPC is provided with no support and without any obligation on the
|
||
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
||
|
|
* modification or enhancement.
|
||
|
|
*
|
||
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
||
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
||
|
|
* OR ANY PART THEREOF.
|
||
|
|
*
|
||
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
||
|
|
* or profits or other special, indirect and consequential damages, even if
|
||
|
|
* Sun has been advised of the possibility of such damages.
|
||
|
|
*
|
||
|
|
* Sun Microsystems, Inc.
|
||
|
|
* 2550 Garcia Avenue
|
||
|
|
* Mountain View, California 94043
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (C) 1986, Sun Microsystems, Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/ioctl.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* detach from tty
|
||
|
|
*/
|
||
|
|
detachfromtty()
|
||
|
|
{
|
||
|
|
int tt;
|
||
|
|
|
||
|
|
close(0);
|
||
|
|
close(1);
|
||
|
|
close(2);
|
||
|
|
switch (fork()) {
|
||
|
|
case -1:
|
||
|
|
perror("fork");
|
||
|
|
break;
|
||
|
|
case 0:
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
tt = open("/dev/tty", O_RDWR);
|
||
|
|
if (tt > 0) {
|
||
|
|
ioctl(tt, TIOCNOTTY, 0);
|
||
|
|
close(tt);
|
||
|
|
}
|
||
|
|
(void)open("/dev/null", O_RDWR, 0);
|
||
|
|
dup(0);
|
||
|
|
dup(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|