# HG changeset patch
# User Jean-Francois Pieronne <jf.pieronne@laposte.net>
# Date 2023-08-03 00:30:57
# Node ID d0b8bbf603d7132ace2a53bff2e9eda561d636b0
# Parent  ce9cb12ca8c92166fdc94ddad22f5c1b8f6bae58

openvms: consider worker costly on OpenVMS

As for Windows, the parallel worker feature is less appealing on OpenVMS.

diff --git a/mercurial/worker.py b/mercurial/worker.py
--- a/mercurial/worker.py
+++ b/mercurial/worker.py
@@ -61,7 +61,9 @@ def ismainthread():
     return threading.current_thread() == threading.main_thread()
 
 
-if pycompat.isposix or pycompat.iswindows:
+if (
+    pycompat.isposix and pycompat.sysplatform != b'OpenVMS'
+) or pycompat.iswindows:
     _STARTUP_COST = 0.01
     # The Windows worker is thread based. If tasks are CPU bound, threads
     # in the presence of the GIL result in excessive context switching and