1 files changed, 9 insertions, 1 deletions
diff --git a/Include/internal/pystate.h b/Include/internal/pystate.h
index 83fa7dc..6cee272 100644
--- a/Include/internal/pystate.h
+++ b/Include/internal/pystate.h
@@ -52,9 +52,17 @@ typedef struct _PyPathConfig {
     wchar_t *program_name;
     /* Set by Py_SetPythonHome() or PYTHONHOME environment variable */
     wchar_t *home;
+    /* isolated and no_site_import are used to set Py_IsolatedFlag and
+       Py_NoSiteFlag flags on Windows in read_pth_file(). These fields
+       are ignored when their value are equal to -1 (unset). */
+    int isolated;
+    int no_site_import;
 } _PyPathConfig;
 
-#define _PyPathConfig_INIT {.module_search_path = NULL}
+#define _PyPathConfig_INIT \
+    {.module_search_path = NULL, \
+     .isolated = -1, \
+     .no_site_import = -1}
 /* Note: _PyPathConfig_INIT sets other fields to 0/NULL */
 
 PyAPI_DATA(_PyPathConfig) _Py_path_config;