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core: update CV_XADD

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Allow to use custom implementations of CV_XADD (passed via -D of CXXFLAGS)
This commit is contained in:
Alexander Alekhin 2016-10-27 13:22:13 +03:00
parent 9b2b8404a0
commit 33a5778a0e
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 * * 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__) # if defined __clang__ && __clang_major__ >= 3 && !defined __ANDROID__ && !defined __EMSCRIPTEN__ && !defined(__CUDACC__)
# ifdef __ATOMIC_ACQ_REL # ifdef __ATOMIC_ACQ_REL
# define CV_XADD(addr, delta) __c11_atomic_fetch_add((_Atomic(int)*)(addr), delta, __ATOMIC_ACQ_REL) # define CV_XADD(addr, delta) __c11_atomic_fetch_add((_Atomic(int)*)(addr), delta, __ATOMIC_ACQ_REL)