X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Flzms-common.c;h=c657ef4aabccd60f58df5c5061b8c2587e8b28d8;hb=81c83fa2dbb44e788f234ddd5427c00e33c12d52;hp=a34fb245265bc5dab3013535ec16198aed593cbf;hpb=f7a403360d4d3adfb54492e25a28d9de0c627fa1;p=wimlib

diff --git a/src/lzms-common.c b/src/lzms-common.c
index a34fb245..c657ef4a 100644
--- a/src/lzms-common.c
+++ b/src/lzms-common.c
@@ -165,17 +165,9 @@ lzms_compute_slots(void)
 void
 lzms_init_slots(void)
 {
-	static bool done = false;
-	static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-	if (unlikely(!done)) {
-		pthread_mutex_lock(&mutex);
-		if (!done) {
-			lzms_compute_slots();
-			done = true;
-		}
-		pthread_mutex_unlock(&mutex);
-	}
+	static pthread_once_t once = PTHREAD_ONCE_INIT;
+
+	pthread_once(&once, lzms_compute_slots);
 }
 
 static s32