diff options
| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-02 06:41:53 +0000 |
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| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-02 06:41:53 +0000 |
| commit | a6b50f379d4b71acac73ac6b22cbe2d2c5b50b3f (patch) | |
| tree | d61a726ab3871a8ab56541b5201c30c59271fc55 /ruby_atomic.h | |
| parent | a5a5714b77ff356742fe0fceab1d97ac123116e0 (diff) | |
| download | ruby-a6b50f379d4b71acac73ac6b22cbe2d2c5b50b3f.tar.gz | |
statement experssion is a GCCism
should mark as such.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_atomic.h')
| -rw-r--r-- | ruby_atomic.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/ruby_atomic.h b/ruby_atomic.h index 4bc9f37e0d..f74cf997a1 100644 --- a/ruby_atomic.h +++ b/ruby_atomic.h @@ -9,10 +9,10 @@ typedef unsigned int rb_atomic_t; # define ATOMIC_DEC(var) __atomic_fetch_sub(&(var), 1, __ATOMIC_SEQ_CST) # define ATOMIC_OR(var, val) __atomic_fetch_or(&(var), (val), __ATOMIC_SEQ_CST) # define ATOMIC_EXCHANGE(var, val) __atomic_exchange_n(&(var), (val), __ATOMIC_SEQ_CST) -# define ATOMIC_CAS(var, oldval, newval) \ -({ __typeof__(var) oldvaldup = (oldval); /* oldval should not be modified */ \ +# define ATOMIC_CAS(var, oldval, newval) RB_GNUC_EXTENSION_BLOCK( \ + __typeof__(var) oldvaldup = (oldval); /* oldval should not be modified */ \ __atomic_compare_exchange_n(&(var), &oldvaldup, (newval), 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST); \ - oldvaldup; }) + oldvaldup ) # define ATOMIC_SIZE_ADD(var, val) __atomic_fetch_add(&(var), (val), __ATOMIC_SEQ_CST) # define ATOMIC_SIZE_SUB(var, val) __atomic_fetch_sub(&(var), (val), __ATOMIC_SEQ_CST) |