/* $OpenBSD: rf_shutdown.h,v 1.3 2002/03/06 11:28:27 tdeval Exp $ */ /* $NetBSD: rf_shutdown.h,v 1.2 1999/02/05 00:06:17 oster Exp $ */ /* * rf_shutdown.h */ /* * Copyright (c) 1996 Carnegie-Mellon University. * All rights reserved. * * Author: Jim Zelenka * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ /* * Maintain lists of cleanup functions. Also, mechanisms for coordinating * thread startup and shutdown. */ #ifndef _RF__RF_SHUTDOWN_H_ #define _RF__RF_SHUTDOWN_H_ #include "rf_types.h" #include "rf_threadstuff.h" /* * Important note: the shutdown list is run like a stack, new * entries pushed on top. Therefore, the most recently added * entry (last started) is the first removed (stopped). This * should handle system-dependencies pretty nicely- if a system * is there when you start another, it'll be there when you * shut down another. Hopefully, this subsystem will remove * more complexity than it introduces. */ struct RF_ShutdownList_s { void (*cleanup) (void *arg); void *arg; char *file; int line; RF_ShutdownList_t *next; }; #define rf_ShutdownCreate(_listp_,_func_,_arg_) \ _rf_ShutdownCreate(_listp_,_func_,_arg_,__FILE__,__LINE__) int _rf_ShutdownCreate(RF_ShutdownList_t ** listp, void (*cleanup) (void *arg), void *arg, char *file, int line); int rf_ShutdownList(RF_ShutdownList_t ** listp); void rf_shutdown_hook(RF_ThreadArg_t); #endif /* !_RF__RF_SHUTDOWN_H_ */