Add os.[sg]et_handle_inheritable

Lib/test/test_asyncore.py

@@ -723,7 +723,6 @@ class BaseTestAPI:
         self.assertFalse(server.connected)
         self.assertFalse(server.accepting)
 
-    @unittest.skipIf(sys.platform == "win32", "TODO: RUSTPYTHON, Windows-only fail")
     def test_create_socket(self):
         s = asyncore.dispatcher()
         s.create_socket(self.family)

vm/Cargo.toml

@@ -144,7 +144,7 @@ version = "0.3"
 features = [
   "winsock2", "handleapi", "ws2def", "std", "winbase", "wincrypt", "fileapi", "processenv",
   "namedpipeapi", "winnt", "processthreadsapi", "errhandlingapi", "winuser", "synchapi", "wincon",
-  "impl-default",
+  "impl-default", "vcruntime"
 ]
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]

vm/src/stdlib/os.rs

@@ -2765,7 +2765,6 @@ pub(crate) use posix::raw_set_inheritable;
 mod nt {
     use super::*;
     use crate::builtins::list::PyListRef;
-    #[cfg(target_env = "msvc")]
     use winapi::vc::vcruntime::intptr_t;
 
     #[pyattr]
@@ -3114,6 +3113,34 @@ mod nt {
         return Err(err.into_pyexception(vm));
     }
 
+    #[pyfunction]
+    fn get_handle_inheritable(handle: intptr_t, vm: &VirtualMachine) -> PyResult<bool> {
+        let mut flags = 0;
+        if unsafe { winapi::um::handleapi::GetHandleInformation(handle as _, &mut flags) } == 0 {
+            Err(errno_err(vm))
+        } else {
+            Ok(flags & winapi::um::winbase::HANDLE_FLAG_INHERIT != 0)
+        }
+    }
+
+    #[pyfunction]
+    fn set_handle_inheritable(
+        handle: intptr_t,
+        inheritable: bool,
+        vm: &VirtualMachine,
+    ) -> PyResult<()> {
+        use winapi::um::winbase::HANDLE_FLAG_INHERIT;
+        let flags = if inheritable { HANDLE_FLAG_INHERIT } else { 0 };
+        let res = unsafe {
+            winapi::um::handleapi::SetHandleInformation(handle as _, HANDLE_FLAG_INHERIT, flags)
+        };
+        if res == 0 {
+            Err(errno_err(vm))
+        } else {
+            Ok(())
+        }
+    }
+
     pub(super) fn support_funcs() -> Vec<SupportFunc> {
         Vec::new()
     }