HDK: EXPR/EXPR_Lock.h Source File

00001 /*
00002  * PROPRIETARY INFORMATION.  This software is proprietary to
00003  * Side Effects Software Inc., and is not to be reproduced,
00004  * transmitted, or disclosed in any way without written permission.
00005  *
00006  * Produced by:
00007  *      Side Effects Software Inc
00008  *      123 Front Street West, Suite 1401
00009  *      Toronto, Ontario
00010  *      Canada   M5J 2M2
00011  *      416-504-9876
00012  *
00013  * NAME:        EXPR_Lock.h (EXPR Library, C++)
00014  *
00015  * COMMENTS:    This header allows us to enable/disable locking when evaluating
00016  *              parameters and hscript expressions.
00017  */
00018 
00019 #ifndef __EXPR_LOCK_H_INCLUDED__
00020 #define __EXPR_LOCK_H_INCLUDED__
00021 
00022 #include "EXPR_API.h"
00023 
00024 #include <UT/UT_Lock.h>
00025 
00026 // Modify this to enable/disable parm expr locking
00027 #define EXPR_LOCKS 0
00028 
00029 #if EXPR_LOCKS
00030     typedef UT_Lock         EXPR_Lock;
00031 #else
00032     typedef UT_NullLock     EXPR_Lock;
00033 #endif
00034 
00035 typedef UT_AutoLockType<EXPR_Lock>    EXPR_AutoLock;
00036 
00037 #endif // __EXPR_LOCK_H_INCLUDED__