From 3c79979b830ad0204ae47592fa858a996ce90b5e Mon Sep 17 00:00:00 2001 From: Rainer Gerhards Date: Tue, 11 Dec 2007 16:18:43 +0000 Subject: added synchronization class to handle mutex-operations in the most portable way. --- sync.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 sync.h (limited to 'sync.h') diff --git a/sync.h b/sync.h new file mode 100644 index 00000000..f2b3ae33 --- /dev/null +++ b/sync.h @@ -0,0 +1,52 @@ +/* Definitions syncrhonization-related stuff. In theory, that should + * help porting to something different from pthreads. + * + * Copyright 2007 Rainer Gerhards and Adiscon GmbH. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * A copy of the GPL can be found in the file "COPYING" in this distribution. + */ + +#ifndef INCLUDED_SYNC_H +#define INCLUDED_SYNC_H + +#ifdef USE_PTHREADS /* Code to compile for threading support */ +#include + +/* SYNC_OBJ_TOOL definition must be placed in object to be synced! + * SYNC_OBJ_TOOL_INIT must be called upon of object construction and + * SUNC_OBJ_TOOL_EXIT must be called upon object destruction + */ +#define SYNC_OBJ_TOOL pthread_mutex_t *Sync_mut; +#define SYNC_OBJ_TOOL_INIT(x) SyncObjInit(&((x)->Sync_mut)) +#define SYNC_OBJ_TOOL_EXIT(x) SyncObjExit(&((x)->Sync_mut)) +#define LockObj(x) lockObj((x)->Sync_mut) +#define UnlockObj(x) unlockObj((x)->Sync_mut) + +void SyncObjInit(pthread_mutex_t **mut); +void SyncObjExit(pthread_mutex_t **mut); +extern void lockObj(pthread_mutex_t *mut); +extern void unlockObj(pthread_mutex_t *mut); + +#else /* Code not to compile for threading support */ +#define SYNC_OBJ_TOOL +#define SYNC_OBJ_TOOL_INIT +#define SYNC_OBJ_TOOL_EXIT +#define LockObj(x) +#define UnlockObj(x) +#endif + +#endif /* #ifndef INCLUDED_SYNC_H */ -- cgit