1 files changed, 3 insertions, 3 deletions
diff --git a/thread_pthread.h b/thread_pthread.h
index 0566193eb5..e3f09800a3 100644
--- a/thread_pthread.h
+++ b/thread_pthread.h
@@ -32,12 +32,12 @@ typedef struct native_thread_data_struct {
 
 typedef struct rb_global_vm_lock_struct {
     /* fast path */
-    unsigned long acquired;
+    const struct rb_thread_struct *acquired;
     rb_nativethread_lock_t lock;
 
     /* slow path */
-    volatile unsigned long waiting;
-    rb_nativethread_cond_t cond;
+    struct list_head waitq;
+    const struct rb_thread_struct *timer;
 
     /* yield */
     rb_nativethread_cond_t switch_cond;