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18 lines
962 B
Diff
18 lines
962 B
Diff
diff -urN a/libev/ev.c b/libev/ev.c
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--- a/libev/ev.c 2014-01-02 23:06:39.749417954 -0700
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+++ b/libev/ev.c 2014-01-02 23:08:08.359034557 -0700
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@@ -617,9 +617,11 @@
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#if ECB_GCC_VERSION(4,7)
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/* see comment below (stdatomic.h) about the C11 memory model. */
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#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
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- #elif defined __clang && __has_feature (cxx_atomic)
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- /* see comment below (stdatomic.h) about the C11 memory model. */
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- #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
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+ #elif defined __clang
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+ #if __has_feature (cxx_atomic)
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+ /* see comment below (stdatomic.h) about the C11 memory model. */
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+ #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
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+ #endif
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#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
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#define ECB_MEMORY_FENCE __sync_synchronize ()
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#elif _MSC_VER >= 1400 /* VC++ 2005 */
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