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-rw-r--r--lib/libc/gen/ttyname.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/libc/gen/ttyname.c b/lib/libc/gen/ttyname.c
index be2de59..c768f59 100644
--- a/lib/libc/gen/ttyname.c
+++ b/lib/libc/gen/ttyname.c
@@ -49,7 +49,7 @@ static char sccsid[] = "@(#)ttyname.c 8.2 (Berkeley) 1/27/94";
#ifdef _THREAD_SAFE
#include <pthread.h>
#include "pthread_private.h"
-static struct pthread_mutex _ttyname_lockd = PTHREAD_MUTEX_INITIALIZER;
+static struct pthread_mutex _ttyname_lockd = PTHREAD_MUTEX_STATIC_INITIALIZER;
static pthread_mutex_t ttyname_lock = &_ttyname_lockd;
static pthread_key_t ttyname_key;
static int ttyname_init = 0;
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