1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1982-2010 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* David Korn <dgk@research.att.com> * 18* * 19***********************************************************************/ 20#pragma prototyped 21 22#include "defs.h" 23/* 24 * This installs a hook to allow the processing of events when 25 * the shell is waiting for input and when the shell is 26 * waiting for job completion. 27 * The previous waitevent hook function is returned 28 */ 29 30 31void *sh_waitnotify(int(*newevent)(int,long,int)) 32{ 33 int (*old)(int,long,int); 34 old = sh.waitevent; 35 sh.waitevent = newevent; 36 return((void*)old); 37} 38 39#if __OBSOLETE__ < 20080101 40/* 41 * this used to be a private symbol 42 * retain the old name for a bit for a smooth transition 43 */ 44 45#if defined(__EXPORT__) 46#define extern __EXPORT__ 47#endif 48 49extern void *_sh_waitnotify(int(*newevent)(int,long,int)) 50{ 51 return sh_waitnotify(newevent); 52} 53 54#endif 55