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  • Committer: Vladimir Kolesnikov
  • Date: 2009-01-21 13:55:57 UTC
  • mto: This revision was merged to the branch mainline in revision 533.
  • Revision ID: vladimir@primebase.org-20090121135557-gyzk4wo3kj126jda
added thread lock lists

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src/locklist_xt.h
 
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/* Copyright (c) 2009 PrimeBase Technologies GmbH
 
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 *
 
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 * PrimeBase XT
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (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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 * 2009-01-20   Vladimir Kolesnikov
 
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 *
 
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 * H&G2JCtL
 
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 */
 
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#ifndef __xt_locklist_h__
 
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#define __xt_locklist_h__
 
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#ifdef DEBUG
 
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#define XT_THREAD_LOCK_INFO
 
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#endif
 
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#include "xt_defs.h"
 
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struct XTThread;
 
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struct XTSpinLock;
 
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struct XTRWMutex;
 
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struct xt_mutex_struct;
 
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struct xt_rwlock_struct;
 
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struct XTFastLock;
 
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struct XTFastRWLock;
 
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struct XTSpinRWLock;
 
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#ifdef XT_THREAD_LOCK_INFO
 
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#define LOCKLIST_ARG_SUFFIX(name) #name " in " __FUNCTION__ "() at " __FILE__ ":" QUOTE(__LINE__)
 
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/*
 
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 * An instance of this class keeps information about a lock kept by a thread.
 
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 * There's a list of XTThreadLockInfo instances per thread. An instance can be
 
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 * included into several thread lists in case of shared locks.
 
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 */
 
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typedef struct XTThreadLockInfo {
 
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        enum LockType { SPIN_LOCK, RW_MUTEX, MUTEX, RW_LOCK, FAST_LOCK, FAST_RW_LOCK, SPIN_RW_LOCK };
 
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        XTThreadLockInfo *li_prev;
 
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        LockType                  li_lock_type;
 
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        union {
 
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                XTSpinLock       *li_spin_lock;   // SPIN_LOCK
 
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                XTRWMutex        *li_rw_mutex;    // RW_MUTEX
 
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                XTFastLock               *li_fast_lock;   // FAST_LOCK
 
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                XTFastRWLock     *li_fast_rwlock; // FAST_RW_LOCK
 
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                XTSpinRWLock     *li_spin_rwlock; // SPIN_RW_LOCK
 
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                xt_mutex_struct  *li_mutex;               // MUTEX
 
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                xt_rwlock_struct *li_rwlock;      // RW_LOCK
 
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        };
 
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} 
 
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XTThreadLockInfoRec, *XTThreadLockInfoPtr;
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTSpinLock *lock);
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTRWMutex *lock);
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTFastLock *lock);
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTFastRWLock *lock);
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, XTSpinRWLock *lock);
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, xt_mutex_struct *lock);
 
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void xt_thread_lock_info_init(XTThreadLockInfoPtr ptr, xt_rwlock_struct *lock);
 
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void xt_thread_lock_info_free(XTThreadLockInfoPtr ptr);
 
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void xt_thread_lock_info_add_owner (XTThreadLockInfoPtr ptr);
 
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void xt_thread_lock_info_release_owner (XTThreadLockInfoPtr ptr);
 
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#endif // XT_THREAD_LOCK_INFO
 
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#endif // __xt_locklist_h__