ZFCoreMutex.h

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#ifndef _ZFI_ZFCoreMutex_h_
#define _ZFI_ZFCoreMutex_h_
 
#include "ZFCoreTypeDef_ClassType.h"
#include "ZFCoreTypeDef_CoreType.h"
ZF_NAMESPACE_GLOBAL_BEGIN

typedef void (*ZFCoreMutexImplCallbackLock)(ZF_IN void *token);
typedef void (*ZFCoreMutexImplCallbackUnlock)(ZF_IN void *token);
 
extern ZFLIB_ZFCore void *_ZFP_ZFCoreMutexImplObject;
extern ZFLIB_ZFCore ZFCoreMutexImplCallbackLock _ZFP_ZFCoreMutexImplLock;
extern ZFLIB_ZFCore ZFCoreMutexImplCallbackUnlock _ZFP_ZFCoreMutexImplUnlock;

inline void ZFCoreMutexImplSet(
        ZF_IN void *implObject
        , ZF_IN ZFCoreMutexImplCallbackLock implLock
        , ZF_IN ZFCoreMutexImplCallbackUnlock implUnlock
        ) {
    _ZFP_ZFCoreMutexImplObject = implObject;
    _ZFP_ZFCoreMutexImplLock = implLock;
    _ZFP_ZFCoreMutexImplUnlock = implUnlock;
}

inline void *ZFCoreMutexImplGetObject(void) {return _ZFP_ZFCoreMutexImplObject;}
inline ZFCoreMutexImplCallbackLock ZFCoreMutexImplGetLock(void) {return _ZFP_ZFCoreMutexImplLock;}
inline ZFCoreMutexImplCallbackUnlock ZFCoreMutexImplGetUnlock(void) {return _ZFP_ZFCoreMutexImplUnlock;}

inline zfbool ZFCoreMutexImplAvailable(void) {return (_ZFP_ZFCoreMutexImplObject != zfnull);}
 
// ============================================================
#define ZFCoreMutexLock() \
    do { \
        if(_ZFP_ZFCoreMutexImplObject) { \
            _ZFP_ZFCoreMutexImplLock(_ZFP_ZFCoreMutexImplObject); \
        } \
    } while(zffalse)

#define ZFCoreMutexUnlock() \
    do { \
        if(_ZFP_ZFCoreMutexImplObject) { \
            _ZFP_ZFCoreMutexImplUnlock(_ZFP_ZFCoreMutexImplObject); \
        } \
    } while(zffalse)

zfclassLikePOD ZFLIB_ZFCore ZFCoreMutexLockerHolder {
public:
    ZFCoreMutexLockerHolder(void) {
        ZFCoreMutexLock();
    }
    ~ZFCoreMutexLockerHolder(void) {
        ZFCoreMutexUnlock();
    }
};

#define ZFCoreMutexLocker() ZFCoreMutexLockerHolder _ZFP_ZFCoreMutexLocker_hold
 
#if 0
    #undef ZFCoreMutexLock
    #define ZFCoreMutexLock()
    #undef ZFCoreMutexUnlock
    #define ZFCoreMutexUnlock()
    #undef ZFCoreMutexLocker
    #define ZFCoreMutexLocker()
#endif
 
ZF_NAMESPACE_GLOBAL_END
 
#endif // #ifndef _ZFI_ZFCoreMutex_h_