[PATCH v2 3/6] ntdll: Implement NtMakeTemporaryObject().

[Zebediah Figura]

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
 dlls/ntdll/om.c                  | 16 +++++++++++++---
 dlls/ntoskrnl.exe/tests/driver.c |  8 ++++----
 server/handle.c                  | 14 ++++++++++++++
 server/object.c                  | 10 ++++++++++
 server/object.h                  |  1 +
 server/protocol.def              |  6 ++++++
 6 files changed, 48 insertions(+), 7 deletions(-)

diff --git a/dlls/ntdll/om.c b/dlls/ntdll/om.c
index 601e6ede123..b2ea815b78f 100644
--- a/dlls/ntdll/om.c
+++ b/dlls/ntdll/om.c
@@ -511,8 +511,18 @@ NTSTATUS WINAPI NtAllocateUuids( ULARGE_INTEGER *time, ULONG *delta, ULONG *sequ
  *  Success: STATUS_SUCCESS.
  *  Failure: An NTSTATUS error code.
  */
-NTSTATUS WINAPI NtMakeTemporaryObject( HANDLE Handle )
+NTSTATUS WINAPI NtMakeTemporaryObject( HANDLE handle )
 {
-    FIXME("(%p), stub.\n", Handle);
-    return STATUS_SUCCESS;
+    NTSTATUS ret;
+
+    TRACE("%p\n", handle);
+
+    SERVER_START_REQ( make_temporary )
+    {
+        req->handle = wine_server_obj_handle( handle );
+        ret = wine_server_call( req );
+    }
+    SERVER_END_REQ;
+
+    return ret;
 }
diff --git a/dlls/ntoskrnl.exe/tests/driver.c b/dlls/ntoskrnl.exe/tests/driver.c
index 72d2272d5cc..0671a56efc7 100644
--- a/dlls/ntoskrnl.exe/tests/driver.c
+++ b/dlls/ntoskrnl.exe/tests/driver.c
@@ -2056,20 +2056,20 @@ static void test_permanence(void)
     status = ZwClose( handle );
     ok(!status, "got %#x\n", status);
     status = ZwOpenDirectoryObject( &handle, 0, &attr );
-    todo_wine ok(status == STATUS_OBJECT_NAME_NOT_FOUND, "got %#x\n", status);
+    ok(status == STATUS_OBJECT_NAME_NOT_FOUND, "got %#x\n", status);
 
     status = ZwCreateDirectoryObject( &handle, GENERIC_ALL, &attr );
-    todo_wine ok(!status, "got %#x\n", status);
+    ok(!status, "got %#x\n", status);
     attr.Attributes = OBJ_PERMANENT;
     status = ZwOpenDirectoryObject( &handle2, 0, &attr );
     ok(status == STATUS_SUCCESS, "got %#x\n", status);
     status = ZwClose( handle2 );
     ok(!status, "got %#x\n", status);
     status = ZwClose( handle );
-    todo_wine ok(!status, "got %#x\n", status);
+    ok(!status, "got %#x\n", status);
     attr.Attributes = 0;
     status = ZwOpenDirectoryObject( &handle, 0, &attr );
-    todo_wine ok(status == STATUS_OBJECT_NAME_NOT_FOUND, "got %#x\n", status);
+    ok(status == STATUS_OBJECT_NAME_NOT_FOUND, "got %#x\n", status);
 }
 
 static NTSTATUS main_test(DEVICE_OBJECT *device, IRP *irp, IO_STACK_LOCATION *stack)
diff --git a/server/handle.c b/server/handle.c
index a2a8bb5479c..9ae99cd0c63 100644
--- a/server/handle.c
+++ b/server/handle.c
@@ -833,3 +833,17 @@ DECL_HANDLER(get_system_handles)
         enum_processes( enum_handles, &info );
     }
 }
+
+DECL_HANDLER(make_temporary)
+{
+    struct object *obj;
+
+    if (!(obj = get_handle_obj( current->process, req->handle, 0, NULL ))) return;
+
+    if (obj->is_permanent)
+    {
+        make_object_temporary( obj );
+        release_object( obj );
+    }
+    release_object( obj );
+}
diff --git a/server/object.c b/server/object.c
index 6c0bb9be3ab..8ec6609f69d 100644
--- a/server/object.c
+++ b/server/object.c
@@ -414,6 +414,16 @@ void make_object_static( struct object *obj )
 #endif
 }
 
+/* mark an object as no longer static */
+void make_object_temporary( struct object *obj )
+{
+    obj->is_permanent = 0;
+#ifdef DEBUG_OBJECTS
+    list_remove( &obj->obj_list );
+    list_add_head( &object_list, &obj->obj_list );
+#endif
+}
+
 /* grab an object (i.e. increment its refcount) and return the object */
 struct object *grab_object( void *ptr )
 {
diff --git a/server/object.h b/server/object.h
index fac35f0984e..1f5c4a5f061 100644
--- a/server/object.h
+++ b/server/object.h
@@ -144,6 +144,7 @@ extern void *open_named_object( struct object *parent, const struct object_ops *
                                 const struct unicode_str *name, unsigned int attributes );
 extern void unlink_named_object( struct object *obj );
 extern void make_object_static( struct object *obj );
+extern void make_object_temporary( struct object *obj );
 extern struct namespace *create_namespace( unsigned int hash_size );
 extern void free_kernel_objects( struct object *obj );
 /* grab/release_object can take any pointer, but you better make sure */
diff --git a/server/protocol.def b/server/protocol.def
index 03e567c3dd4..9c8aec6960b 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -1080,6 +1080,12 @@ struct rawinput_device
 #define DUP_HANDLE_MAKE_GLOBAL   0x80000000  /* Not a Windows flag */
 
 
+/* Make an object temporary */
+ at REQ(make_temporary)
+    obj_handle_t handle;       /* handle to the object */
+ at END
+
+
 /* Open a handle to a process */
 @REQ(open_process)
     process_id_t pid;          /* process id to open */
-- 
2.27.0