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Merge pull request #7558 from alalek:cv_xadd

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Alexander Alekhin 2016-10-27 15:59:17 +00:00
commit 76f28fd48f
1 changed files with 3 additions and 1 deletions
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4
modules/core/include/opencv2/core/cvdef.h
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@ -418,7 +418,9 @@ Cv64suf;
* exchange-add operation for atomic operations on reference counters *
\****************************************************************************************/
#if defined __GNUC__
#ifdef CV_XADD
// allow to use user-defined macro
#elif defined __GNUC__
# if defined __clang__ && __clang_major__ >= 3 && !defined __ANDROID__ && !defined __EMSCRIPTEN__ && !defined(__CUDACC__)
# ifdef __ATOMIC_ACQ_REL
# define CV_XADD(addr, delta) __c11_atomic_fetch_add((_Atomic(int)*)(addr), delta, __ATOMIC_ACQ_REL)