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| author | Davi Arnaut <davi.arnaut@oracle.com> | 2010-10-07 21:05:23 -0300 |
|---|---|---|
| committer | Davi Arnaut <davi.arnaut@oracle.com> | 2010-10-07 21:05:23 -0300 |
| commit | 28be8f919f768542465b07099f711632e3334f6e (patch) | |
| tree | 78dea268898d3e27191f60b8d054d449f8b5cbe1 | |
| parent | fcc741f33fc6fd4baa1a78f34103991ac35f989f (diff) | |
| download | mariadb-git-28be8f919f768542465b07099f711632e3334f6e.tar.gz | |
Bug#56822: Add a thread state for sessions waiting on the query cache lock
Move Query_cache_wait_state declaration out of a debug block.
| -rw-r--r-- | sql/sql_cache.cc | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc index b68355206b5..8c3abdbf1b0 100644 --- a/sql/sql_cache.cc +++ b/sql/sql_cache.cc @@ -372,6 +372,17 @@ TODO list: __LINE__,(ulong)(B)));B->query()->unlock_reading();} #define DUMP(C) DBUG_EXECUTE("qcache", {\ (C)->cache_dump(); (C)->queries_dump();(C)->tables_dump();}) +#else +#define RW_WLOCK(M) mysql_rwlock_wrlock(M) +#define RW_RLOCK(M) mysql_rwlock_rdlock(M) +#define RW_UNLOCK(M) mysql_rwlock_unlock(M) +#define BLOCK_LOCK_WR(B) B->query()->lock_writing() +#define BLOCK_LOCK_RD(B) B->query()->lock_reading() +#define BLOCK_UNLOCK_WR(B) B->query()->unlock_writing() +#define BLOCK_UNLOCK_RD(B) B->query()->unlock_reading() +#define DUMP(C) +#endif + /** Thread state to be used when the query cache lock needs to be acquired. @@ -400,16 +411,6 @@ struct Query_cache_wait_state } }; -#else -#define RW_WLOCK(M) mysql_rwlock_wrlock(M) -#define RW_RLOCK(M) mysql_rwlock_rdlock(M) -#define RW_UNLOCK(M) mysql_rwlock_unlock(M) -#define BLOCK_LOCK_WR(B) B->query()->lock_writing() -#define BLOCK_LOCK_RD(B) B->query()->lock_reading() -#define BLOCK_UNLOCK_WR(B) B->query()->unlock_writing() -#define BLOCK_UNLOCK_RD(B) B->query()->unlock_reading() -#define DUMP(C) -#endif /** Serialize access to the query cache. |