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-rw-r--r--Misc/NEWS.d/next/Library/2023-05-30-02-01-14.gh-issue-90026.FyCXw8.rst1
-rw-r--r--Modules/posixmodule.c12
2 files changed, 10 insertions, 3 deletions
diff --git a/Misc/NEWS.d/next/Library/2023-05-30-02-01-14.gh-issue-90026.FyCXw8.rst b/Misc/NEWS.d/next/Library/2023-05-30-02-01-14.gh-issue-90026.FyCXw8.rst
new file mode 100644
index 0000000..3e32c98
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-05-30-02-01-14.gh-issue-90026.FyCXw8.rst
@@ -0,0 +1 @@
+Define ``USE_XATTRS`` on Cygwin so that XATTR-related functions in the :mod:`os` module become available.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 8611f8f..45debb9 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -292,9 +292,15 @@ corresponding Unix manual entries for more information on calls.");
# undef HAVE_SCHED_SETAFFINITY
#endif
-#if defined(HAVE_SYS_XATTR_H) && defined(HAVE_LINUX_LIMITS_H) && !defined(__FreeBSD_kernel__) && !defined(__GNU__)
-# define USE_XATTRS
-# include <linux/limits.h> // Needed for XATTR_SIZE_MAX on musl libc.
+#if defined(HAVE_SYS_XATTR_H)
+# if defined(HAVE_LINUX_LIMITS_H) && !defined(__FreeBSD_kernel__) && !defined(__GNU__)
+# define USE_XATTRS
+# include <linux/limits.h> // Needed for XATTR_SIZE_MAX on musl libc.
+# endif
+# if defined(__CYGWIN__)
+# define USE_XATTRS
+# include <cygwin/limits.h> // Needed for XATTR_SIZE_MAX and XATTR_LIST_MAX.
+# endif
#endif
#ifdef USE_XATTRS