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authorLukas Larsson <lukas@erlang-solutions.com>2013-08-01 15:50:46 +0200
committerLukas Larsson <lukas@erlang-solutions.com>2014-02-24 15:15:56 +0100
commit48201abc7961b44be9e5cf0feb74d18a399d6099 (patch)
tree6efb3624e998e5b4594ff8e230234b3041833021 /erts/emulator/beam/erl_lock_count.h
parent06928bcd1ff6ede831bb36395ab94761c85d780b (diff)
downloaderlang-48201abc7961b44be9e5cf0feb74d18a399d6099.tar.gz
erts: Make source file info available in lc
Diffstat (limited to 'erts/emulator/beam/erl_lock_count.h')
-rw-r--r--erts/emulator/beam/erl_lock_count.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h
index a4fc91b510..75f7cd028b 100644
--- a/erts/emulator/beam/erl_lock_count.h
+++ b/erts/emulator/beam/erl_lock_count.h
@@ -61,8 +61,14 @@
#define ERTS_LOCK_COUNT_H__
#ifdef ERTS_ENABLE_LOCK_COUNT
+#ifndef ERTS_ENABLE_LOCK_POSITION
+/* Enable in order for _x variants of mtx functions to be used. */
+#define ERTS_ENABLE_LOCK_POSITION 1
+#endif
+
#include "ethread.h"
+
#define ERTS_LCNT_MAX_LOCK_LOCATIONS (10)
#define ERTS_LCNT_LT_SPINLOCK (((Uint16) 1) << 0)