gh-118293: Add flags for launch feedback to subprocess module

Author: tunedal

Doc/library/subprocess.rst

@@ -1066,6 +1066,22 @@ The :mod:`subprocess` module exposes the following constants.
    Specifies that the :attr:`STARTUPINFO.wShowWindow` attribute contains
    additional information.
 
+.. data:: STARTF_FORCEONFEEDBACK
+
+   A :attr:`STARTUPINFO.dwFlags` parameter to specify that the
+   *Working in Background* mouse cursor will be displayed while a
+   process is launching. This is the default behavior for GUI
+   processes.
+
+   .. versionadded:: 3.13
+
+.. data:: STARTF_FORCEOFFFEEDBACK
+
+   A :attr:`STARTUPINFO.dwFlags` parameter to specify that mouse
+   cursor will not be changed when launching the process.
+
+   .. versionadded:: 3.13
+
 .. data:: CREATE_NEW_CONSOLE
 
    The new process has a new console, instead of inheriting its parent's

Lib/subprocess.py

@@ -83,6 +83,7 @@
                          STD_INPUT_HANDLE, STD_OUTPUT_HANDLE,
                          STD_ERROR_HANDLE, SW_HIDE,
                          STARTF_USESTDHANDLES, STARTF_USESHOWWINDOW,
+                         STARTF_FORCEONFEEDBACK, STARTF_FORCEOFFFEEDBACK,
                          ABOVE_NORMAL_PRIORITY_CLASS, BELOW_NORMAL_PRIORITY_CLASS,
                          HIGH_PRIORITY_CLASS, IDLE_PRIORITY_CLASS,
                          NORMAL_PRIORITY_CLASS, REALTIME_PRIORITY_CLASS,
@@ -93,6 +94,7 @@
                     "STD_INPUT_HANDLE", "STD_OUTPUT_HANDLE",
                     "STD_ERROR_HANDLE", "SW_HIDE",
                     "STARTF_USESTDHANDLES", "STARTF_USESHOWWINDOW",
+                    "STARTF_FORCEONFEEDBACK", "STARTF_FORCEOFFFEEDBACK",
                     "STARTUPINFO",
                     "ABOVE_NORMAL_PRIORITY_CLASS", "BELOW_NORMAL_PRIORITY_CLASS",
                     "HIGH_PRIORITY_CLASS", "IDLE_PRIORITY_CLASS",