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63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* Definitions syncrhonization-related stuff. In theory, that should
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* help porting to something different from pthreads.
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*
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* Copyright 2007 Rainer Gerhards and Adiscon GmbH.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* A copy of the GPL can be found in the file "COPYING" in this distribution.
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*/
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#ifndef INCLUDED_SYNC_H
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#define INCLUDED_SYNC_H
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#ifdef USE_PTHREADS /* Code to compile for threading support */
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#include <pthread.h>
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/* SYNC_OBJ_TOOL definition must be placed in object to be synced!
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* SYNC_OBJ_TOOL_INIT must be called upon of object construction and
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* SUNC_OBJ_TOOL_EXIT must be called upon object destruction
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*/
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#define SYNC_OBJ_TOOL pthread_mutex_t *Sync_mut;
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#define SYNC_OBJ_TOOL_INIT(x) SyncObjInit(&((x)->Sync_mut))
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#define SYNC_OBJ_TOOL_EXIT(x) SyncObjExit(&((x)->Sync_mut))
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/* If we run in non-debug (release) mode, we use inline code for the mutex
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* operations. If we run in debug mode, we use functions, because they
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* are better to trace in the stackframe.
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*/
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#ifdef NDEBUG
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#define LockObj(x) pthread_mutex_lock((x)->Sync_mut)
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#define UnlockObj(x) pthread_mutex_unlock((x)->Sync_mut)
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#else
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#define LockObj(x) lockObj((x)->Sync_mut)
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#define UnlockObj(x) unlockObj((x)->Sync_mut)
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#endif
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void SyncObjInit(pthread_mutex_t **mut);
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void SyncObjExit(pthread_mutex_t **mut);
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extern void lockObj(pthread_mutex_t *mut);
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extern void unlockObj(pthread_mutex_t *mut);
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#else /* Code not to compile for threading support */
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#define SYNC_OBJ_TOOL
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#define SYNC_OBJ_TOOL_INIT(x)
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#define SYNC_OBJ_TOOL_EXIT(X)
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#define LockObj(x)
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#define UnlockObj(x)
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#endif
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#endif /* #ifndef INCLUDED_SYNC_H */
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