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-rw-r--r--rts/Stable.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/rts/Stable.c b/rts/Stable.c
index 85970c809a..ecf216a550 100644
--- a/rts/Stable.c
+++ b/rts/Stable.c
@@ -115,7 +115,7 @@ static unsigned int SPT_size = 0;
static spEntry *old_SPTs[MAX_N_OLD_SPTS];
static uint32_t n_old_SPTs = 0;
-#ifdef THREADED_RTS
+#if defined(THREADED_RTS)
Mutex stable_mutex;
#endif
@@ -196,7 +196,7 @@ initStableTables(void)
"initStablePtrTable");
initSpEntryFreeList(stable_ptr_table,INIT_SPT_SIZE,NULL);
-#ifdef THREADED_RTS
+#if defined(THREADED_RTS)
initMutex(&stable_mutex);
#endif
}
@@ -300,7 +300,7 @@ exitStableTables(void)
freeOldSPTs();
-#ifdef THREADED_RTS
+#if defined(THREADED_RTS)
closeMutex(&stable_mutex);
#endif
}