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-rw-r--r--unix/tclUnixNotfy.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/unix/tclUnixNotfy.c b/unix/tclUnixNotfy.c
index 9f9301f..e37962d 100644
--- a/unix/tclUnixNotfy.c
+++ b/unix/tclUnixNotfy.c
@@ -150,8 +150,8 @@ static int triggerPipe = -1;
* The notifierMutex locks access to all of the global notifier state.
*/
-pthread_mutex_t notifierInitMutex = PTHREAD_MUTEX_INITIALIZER;
-pthread_mutex_t notifierMutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t notifierInitMutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t notifierMutex = PTHREAD_MUTEX_INITIALIZER;
/*
* The following static indicates if the notifier thread is running.
*