1 files changed, 11 insertions, 0 deletions
diff --git a/global.c b/global.c
index 2b55422..18e8fa3 100644
--- a/global.c
+++ b/global.c
@@ -107,6 +107,17 @@ CRITICAL_SECTION ptw32_spinlock_test_init_lock;
  */
 CRITICAL_SECTION ptw32_cond_list_lock;
 
+/*
+ * Global condition variable and mutex for once_control management.
+ * The mutex must be an ERRORCHECK type because we need to
+ * guarantee ownership when unlocking.
+ */
+ptw32_once_control_t ptw32_once_control =
+  {
+    PTHREAD_COND_INITIALIZER,
+    PTHREAD_ERRORCHECK_MUTEX_INITIALIZER
+  };
+
 #ifdef _UWIN
 /*
  * Keep a count of the number of threads.