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-rw-r--r--include/thr_lock.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/thr_lock.h b/include/thr_lock.h
index ffcad4a4d11..42bcd9bcaba 100644
--- a/include/thr_lock.h
+++ b/include/thr_lock.h
@@ -32,6 +32,7 @@ extern ulong locks_immediate,locks_waited ;
enum thr_lock_type { TL_IGNORE=-1,
TL_UNLOCK, /* UNLOCK ANY LOCK */
TL_READ, /* Read lock */
+ TL_READ_WITH_SHARED_LOCKS,
/* High prior. than TL_WRITE. Allow concurrent insert */
TL_READ_HIGH_PRIORITY,
/* READ, Don't allow concurrent insert */