Replace struct _PyMutex with PyMutex

Include/cpython/lock.h

@@ -24,7 +24,7 @@
 //   PyMutex_Lock(&m);
 //   ...
 //   PyMutex_Unlock(&m);
-typedef struct _PyMutex {
+typedef struct PyMutex {
     uint8_t v;
 } PyMutex;
 

Include/cpython/weakrefobject.h

@@ -36,7 +36,7 @@ struct _PyWeakReference {
      * Normally this can be derived from wr_object, but in some cases we need
      * to lock after wr_object has been set to Py_None.
      */
-    struct _PyMutex *weakrefs_lock;
+    PyMutex *weakrefs_lock;
 #endif
 };
 

Include/internal/pycore_warnings.h

@@ -14,7 +14,7 @@ struct _warnings_runtime_state {
     PyObject *filters;  /* List */
     PyObject *once_registry;  /* Dict */
     PyObject *default_action; /* String */
-    struct _PyMutex mutex;
+    PyMutex mutex;
     long filters_version;
 };
 

Include/object.h

@@ -213,7 +213,7 @@ struct _object {
     // computed "gc_refs" refcount.
     uintptr_t ob_tid;
     uint16_t _padding;
-    struct _PyMutex ob_mutex;   // per-object lock
+    PyMutex ob_mutex;           // per-object lock
     uint8_t ob_gc_bits;         // gc-related state
     uint32_t ob_ref_local;      // local reference count
     Py_ssize_t ob_ref_shared;   // shared (atomic) reference count

Objects/object.c

@@ -2368,7 +2368,7 @@ new_reference(PyObject *op)
 #else
     op->ob_tid = _Py_ThreadId();
     op->_padding = 0;
-    op->ob_mutex = (struct _PyMutex){ 0 };
+    op->ob_mutex = (PyMutex){ 0 };
     op->ob_gc_bits = 0;
     op->ob_ref_local = 1;
     op->ob_ref_shared = 0;