From 371f82bb4da019df5581ed0c41e7d500b902ac3f Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Mon, 7 Aug 2023 16:21:50 -0400
Subject: [PATCH] avoid problems with trial and ENOSPC

I don't know if these will show up in this environment ... just copy/pasted
from the GitHub Actions config.
---
 .circleci/config.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 431b2c70a..2f580192d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -172,7 +172,13 @@ jobs:
       - "run":
           name: "Run Unit Tests"
           command: |
-            python -m tox -e py311-coverage
+            # On Windows, a non-blocking pipe might respond (when emulating
+            # Unix-y API) with ENOSPC to indicate buffer full. Trial doesn't
+            # handle this well, so it breaks test runs. To attempt to solve
+            # this, we pipe the output through passthrough.py that will
+            # hopefully be able to do the right thing by using Windows APIs.
+            python -m pip install twisted pywin32
+            python -m tox -e py311-coverage | python misc/windows-enospc/passthrough.py
 
       - "run":
           name: "Upload Coverage"