svn-gvsig-desktop / trunk / libraries / libjni-ecwcompress / include / include-sdk / NCSMutex.h @ 3538
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/********************************************************
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** Copyright 1999 Earth Resource Mapping Ltd.
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** This document contains proprietary source code of
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** Earth Resource Mapping Ltd, and can only be used under
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** one of the three licenses as described in the
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** license.txt file supplied with this distribution.
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** See separate license.txt file for license details
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** and conditions.
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**
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** This software is covered by US patent #6,442,298,
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** #6,102,897 and #6,633,688. Rights to use these patents
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** is included in the license agreements.
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**
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** FILE: NCSMutex.h
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** CREATED: Thu Feb 25 09:19:00 WST 1999
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** AUTHOR: Simon Cope
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** PURPOSE: NCS Mutex handling.
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** EDITS:
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** [01] 03Nov00 ny Merged WinCE/PALM SDK changes
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** [02] 12Apr01 ny Added copy constructor for CNCSMutex
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*******************************************************/
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#ifndef NCSMUTEX_H
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#define NCSMUTEX_H
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#ifdef __cplusplus
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extern "C" { |
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#endif
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#ifndef NCSDEFS_H
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#include "NCSDefs.h" |
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#endif
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#ifndef NCSTYPES_H
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#include "NCSTypes.h" |
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#endif
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#ifndef NCSTIMESTAMP_H
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#include "NCSTimeStamp.h" |
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#endif
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#ifdef POSIX
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#include <pthread.h> |
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#endif
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#if defined( MACINTOSH ) && defined( MAC_PREEMPTIVE )
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# include <Multiprocessing.h> |
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#endif
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typedef struct { |
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INT64 nLocks; /* Number of times mutex has been locked */
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INT64 nUnLocks; /* Number of times mutex has been unlocked */
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NCSTimeStampMs tsBeginTime; /* Time spent locking mutex */
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NCSTimeStampMs tsEndTime; /* Time spent unlocking mutex */
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NCSTimeStampMs tsTotalLockedTime; /* Total time spent locked */
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NCSTimeStampMs tsStartTemp; /* Temp to calculate tsTotalLockedTime */
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} NCSMutexStats; |
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typedef struct { |
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#ifdef WIN32
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CRITICAL_SECTION cs; |
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#elif defined MACINTOSH
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MPCriticalRegionID cs; |
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// FIXME: No mutex yet!
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#elif defined PALM
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// FIXME: No mutex yet!
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#elif defined POSIX
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pthread_mutex_t m; |
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#else /* PALM */ |
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ERROR: Define NCSMutex for this platform |
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#endif /* WIN32 */ |
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NCSMutexStats msStats; |
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BOOLEAN bCollectStats; |
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} NCSMutex; |
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typedef struct { |
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#ifdef WIN32
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HANDLE hLock; |
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#elif defined(PALM)
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int hLock;
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#elif defined(MACINTOSH)
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int hLock;
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#elif defined(POSIX)
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int hLock;
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#else /* WIN32 */ |
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#error NCSGlobalLockInfo
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#endif /* WIN32 */ |
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char *pLockName;
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} NCSGlobalLockInfo; |
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/*
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** Defines.
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*/
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#ifdef WIN32
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#define NCS_NULL_MUTEX { 0, 0, 0, 0, 0 } |
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#elif defined MACINTOSH
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#define NCS_NULL_MUTEX { 0, 0, 0, 0, 0 } |
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#elif defined SOLARIS
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#define NCS_NULL_MUTEX PTHREAD_MUTEX_INITIALIZER
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#elif defined HPUX
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#define NCS_NULL_MUTEX { PTHREAD_MUTEX_INITIALIZER }
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#elif defined LINUX
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#define NCS_NULL_MUTEX PTHREAD_MUTEX_INITIALIZER
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#elif defined MACOSX
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#define NCS_NULL_MUTEX PTHREAD_MUTEX_INITIALIZER
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#else /* MACINTOSH */ |
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ERROR: Define NCS_NULL_MUTEX for this platform |
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#endif /* WIN32 */ |
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/*
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** Prototypes.
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*/
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void NCSMutexInit(NCSMutex *pMutex);
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void NCSMutexFini(NCSMutex *pMutex);
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void NCSMutexBegin(NCSMutex *pMutex);
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void NCSMutexEnd(NCSMutex *pMutex);
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NCSMutexStats NCSMutexGetStats(NCSMutex *pMutex); |
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void NCSMutexEnableStats(NCSMutex *pMutex);
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void NCSMutexDisableStats(NCSMutex *pMutex);
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/* Global (SYSTEM Wide) Locks */
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void NCSGlobalLockInit(void); |
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void NCSGlobalLockFini(void); |
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NCSGlobalLockInfo *NCSGlobalLock(char *pLockName);
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void NCSGlobalUnlock(NCSGlobalLockInfo *pInfo);
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#ifdef __cplusplus
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} |
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#ifndef NCS_NO_UTIL_LINK
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// CNCSMutex
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class NCS_EXPORT CNCSMutex { |
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private:
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NCSMutex m_Mutex; |
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public:
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CNCSMutex(); |
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CNCSMutex(const CNCSMutex &mMutex); /**[02]**/ |
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virtual ~CNCSMutex(); |
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virtual void Lock(void); |
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virtual void UnLock(void); |
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}; |
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// CNCSMutexLock
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class NCS_EXPORT CNCSMutexLock { |
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private:
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CNCSMutex *m_pMutex; |
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public:
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CNCSMutexLock(CNCSMutex *pmMutex) { |
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if( pmMutex ) {
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m_pMutex = pmMutex; |
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m_pMutex->Lock(); |
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} else {
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m_pMutex = NULL;
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} |
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} |
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virtual ~CNCSMutexLock() { |
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if( m_pMutex ) {
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m_pMutex->UnLock(); |
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} |
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} |
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}; |
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#endif //NCS_NO_UTIL_LINK |
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#endif
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#endif /* NCSMUTEX_H */ |