From: Carlo Bramini <carlo_bramini@users.sourceforge.net>
Date: Wed, 13 May 2026 20:05:27 +0000 (+0200)
Subject: gh-148575: Use /dev/fd/ to read the set of file descriptors on Cygwin (#148576)
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b6854c50988761b305972e6e83b642c46cf00448;p=thirdparty%2FPython%2Fcpython.git

gh-148575: Use /dev/fd/ to read the set of file descriptors on Cygwin (#148576)
---

diff --git a/Modules/_posixsubprocess.c b/Modules/_posixsubprocess.c
index b7f39ea3d499..9867f077faef 100644
--- a/Modules/_posixsubprocess.c
+++ b/Modules/_posixsubprocess.c
@@ -63,7 +63,7 @@
 # endif
 #endif
 
-#if defined(__FreeBSD__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__DragonFly__)
+#if defined(__CYGWIN__) || defined(__FreeBSD__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__DragonFly__)
 # define FD_DIR "/dev/fd"
 #else
 # define FD_DIR "/proc/self/fd"