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-rw-r--r--rts/Profiling.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/rts/Profiling.c b/rts/Profiling.c
index ac2708eda1..7fb7f9e3cf 100644
--- a/rts/Profiling.c
+++ b/rts/Profiling.c
@@ -152,6 +152,10 @@ initProfiling1 (void)
capabilities[n].r.rCCCS = CCS_SYSTEM;
}
}
+
+#ifdef THREADED_RTS
+ initMutex(&ccs_mutex);
+#endif
}
void