1*4887Schin /***********************************************************************
2*4887Schin *                                                                      *
3*4887Schin *               This software is part of the ast package               *
4*4887Schin *           Copyright (c) 1982-2007 AT&T Knowledge Ventures            *
5*4887Schin *                      and is licensed under the                       *
6*4887Schin *                  Common Public License, Version 1.0                  *
7*4887Schin *                      by AT&T Knowledge Ventures                      *
8*4887Schin *                                                                      *
9*4887Schin *                A copy of the License is available at                 *
10*4887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11*4887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*4887Schin *                                                                      *
13*4887Schin *              Information and Software Systems Research               *
14*4887Schin *                            AT&T Research                             *
15*4887Schin *                           Florham Park NJ                            *
16*4887Schin *                                                                      *
17*4887Schin *                  David Korn <dgk@research.att.com>                   *
18*4887Schin *                                                                      *
19*4887Schin ***********************************************************************/
20*4887Schin #pragma prototyped
21*4887Schin 
22*4887Schin #include	"defs.h"
23*4887Schin /*
24*4887Schin  *  This installs a hook to allow the processing of events when
25*4887Schin  *  the shell is waiting for input and when the shell is
26*4887Schin  *  waiting for job completion.
27*4887Schin  *  The previous waitevent hook function is returned
28*4887Schin  */
29*4887Schin 
30*4887Schin 
31*4887Schin void	*sh_waitnotify(int(*newevent)(int,long,int))
32*4887Schin {
33*4887Schin 	int (*old)(int,long,int);
34*4887Schin 	old = sh.waitevent;
35*4887Schin 	sh.waitevent = newevent;
36*4887Schin 	return((void*)old);
37*4887Schin }
38*4887Schin 
39*4887Schin #if __OBSOLETE__ < 20080101
40*4887Schin /*
41*4887Schin  * this used to be a private symbol
42*4887Schin  * retain the old name for a bit for a smooth transition
43*4887Schin  */
44*4887Schin 
45*4887Schin #if defined(__EXPORT__)
46*4887Schin #define extern		__EXPORT__
47*4887Schin #endif
48*4887Schin 
49*4887Schin extern void	*_sh_waitnotify(int(*newevent)(int,long,int))
50*4887Schin {
51*4887Schin 	return sh_waitnotify(newevent);
52*4887Schin }
53*4887Schin 
54*4887Schin #endif
55