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ruby_atomic.h: fix the argument order 

* ruby_atomic.h (ATOMIC_SIZE_CAS): fix the argument order of
  InterlockedCompareExchange64.  new value and then old value is
  the last.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52892 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-12-05 00:25:43 +00:00
parent 4a1b9786dc
commit c5d2ef80a4
2 changed files with 7 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,9 @@
Sat Dec 5 09:25:41 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ruby_atomic.h (ATOMIC_SIZE_CAS): fix the argument order of
InterlockedCompareExchange64. new value and then old value is
the last.
Sat Dec 5 09:23:34 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* random.c (fill_random_seed): fix the size to be filled, not the

2
ruby_atomic.h
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@ -81,7 +81,7 @@ rb_w32_atomic_cas(volatile rb_atomic_t *var, rb_atomic_t oldval, rb_atomic_t new
# define ATOMIC_SIZE_INC(var) InterlockedIncrement64(&(var))
# define ATOMIC_SIZE_DEC(var) InterlockedDecrement64(&(var))
# define ATOMIC_SIZE_EXCHANGE(var, val) InterlockedExchange64(&(var), (val))
# define ATOMIC_SIZE_CAS(var, oldval, val) InterlockedCompareExchange64(&(var), (oldval), (val))
# define ATOMIC_SIZE_CAS(var, oldval, newval) InterlockedCompareExchange64(&(var), (newval), (oldval))
# else
# define ATOMIC_SIZE_ADD(var, val) InterlockedExchangeAdd((LONG *)&(var), (val))
# define ATOMIC_SIZE_SUB(var, val) InterlockedExchangeAdd((LONG *)&(var), -(LONG)(val))