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-rw-r--r--sql/table_cache.cc6
1 files changed, 3 insertions, 3 deletions
diff --git a/sql/table_cache.cc b/sql/table_cache.cc
index 980dd2e4672..7a555d53558 100644
--- a/sql/table_cache.cc
+++ b/sql/table_cache.cc
@@ -57,7 +57,7 @@ ulong tdc_size; /**< Table definition cache threshold for LRU eviction. */
ulong tc_size; /**< Table cache threshold for LRU eviction. */
uint32 tc_instances;
uint32 tc_active_instances= 1;
-static uint32 tc_contention_warning_reported;
+static std::atomic<bool> tc_contention_warning_reported;
/** Data collections. */
static LF_HASH tdc_hash; /**< Collection of TABLE_SHARE objects. */
@@ -187,8 +187,8 @@ struct Table_cache_instance
n_instances + 1);
}
}
- else if (!my_atomic_fas32_explicit((int32*) &tc_contention_warning_reported,
- 1, MY_MEMORY_ORDER_RELAXED))
+ else if (!tc_contention_warning_reported.exchange(true,
+ std::memory_order_relaxed))
{
sql_print_warning("Detected table cache mutex contention at instance %d: "
"%d%% waits. Additional table cache instance "