зеркало из https://github.com/github/ruby.git
ruby_atomic.h: duplicate code
* ruby_atomic.h (ATOMIC_SIZE_CAS): remove duplicate code as ATOMIC_CAS(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43995 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -16,10 +16,6 @@ typedef unsigned int rb_atomic_t;
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# define ATOMIC_SIZE_ADD(var, val) __atomic_fetch_add(&(var), (val), __ATOMIC_SEQ_CST)
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# define ATOMIC_SIZE_ADD(var, val) __atomic_fetch_add(&(var), (val), __ATOMIC_SEQ_CST)
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# define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&(var), (val), __ATOMIC_SEQ_CST)
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# define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&(var), (val), __ATOMIC_SEQ_CST)
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# define ATOMIC_SIZE_CAS(var, oldval, newval) \
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({ size_t oldvaldup = (oldval); \
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__atomic_compare_exchange_n(&(var), &oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \
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oldvaldup; })
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#elif defined HAVE_GCC_SYNC_BUILTINS
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#elif defined HAVE_GCC_SYNC_BUILTINS
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/* @shyouhei hack to support atomic operations in case of gcc. Gcc
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/* @shyouhei hack to support atomic operations in case of gcc. Gcc
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