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0031921: Application Framework - reading OCAF data from several threads is not possible

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Make myLastFoundChild field of TDF_LabelNode that can be changed during accessing to different sub-labels in different threads as atomic (only for newer versions of compilers which support this "atomic").

Added definition of Standard_ATOMIC macro to the Standard_Macro.hxx
This commit is contained in:
mpv
2020-11-16 16:49:23 +03:00
committed by bugmaster
parent 9d9edcf49d
commit b84b672185
2 changed files with 27 additions and 8 deletions
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15
src/Standard/Standard_Macro.hxx
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@@ -281,4 +281,19 @@
#endif
#endif
//! @def Standard_ATOMIC
//! Definition of Standard_ATOMIC for C++11 or visual studio that supports it.
//! Before usage there must be "atomic" included in the following way:
//! #ifdef Standard_HASATOMIC
//! #include <atomic>
//! #endif
#if (defined(__cplusplus) && __cplusplus >= 201100L) || (defined(_MSC_VER) && _MSC_VER >= 1800) || \
(defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)))
#define Standard_HASATOMIC
#define Standard_ATOMIC(theType) std::atomic<theType>
#else
#define Standard_ATOMIC(theType) theType
#endif
#endif