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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-12-09 06:48:15 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-12-09 06:48:15 (GMT)
commit0599d7de5844a2f838cdf631b9c88b05010ebe5d (patch)
tree4553ae951239a25b2d8a5bc7325e9d9e096e1e80 /regcomp.c
parente48adae2b3e7dfab79fb5a72467a559749edebd5 (diff)
use atomic operations
* regcomp.c (onig_chain_link_add): use atomic operation instead of mutex. * regint.h (ONIG_STATE_{INC,DEC}_THREAD): ditto. * regparse.c (PopFreeNode, node_recycle): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52995 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'regcomp.c')
-rw-r--r--regcomp.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/regcomp.c b/regcomp.c
index 23cb0ea..176aa6b 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -5663,10 +5663,11 @@ onig_transfer(regex_t* to, regex_t* from)
extern void
onig_chain_link_add(regex_t* to, regex_t* add)
{
- THREAD_ATOMIC_START;
- REGEX_CHAIN_HEAD(to);
- to->chain = add;
- THREAD_ATOMIC_END;
+ /* THREAD_ATOMIC_START; */
+ do {
+ REGEX_CHAIN_HEAD(to);
+ } while (IS_NOT_NULL(ATOMIC_PTR_CAS(to->chain, (regex_t* )NULL, add)));
+ /* THREAD_ATOMIC_END; */
}
extern void