waitevent.c revision 7c2fbfb345896881c631598ee3852ce9ce33fb07
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1982-2008 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* David Korn <dgk@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
#include "defs.h"
/*
* This installs a hook to allow the processing of events when
* the shell is waiting for input and when the shell is
* waiting for job completion.
* The previous waitevent hook function is returned
*/
void *sh_waitnotify(int(*newevent)(int,long,int))
{
int (*old)(int,long,int);
old = sh.waitevent;
sh.waitevent = newevent;
return((void*)old);
}
#if __OBSOLETE__ < 20080101
/*
* this used to be a private symbol
* retain the old name for a bit for a smooth transition
*/
#if defined(__EXPORT__)
#define extern __EXPORT__
#endif
extern void *_sh_waitnotify(int(*newevent)(int,long,int))
{
return sh_waitnotify(newevent);
}
#endif