#6416: Fix compilation of the select module on Windows, as well as test_subprocess:
PIPE_BUF is not defined on Windows, and probably has no meaning there.
Anyway the subprocess module uses another way to perform non-blocking reads (with a thread)
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index c8dcb56..a5bb650 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -418,6 +418,12 @@
import fcntl
import pickle
+ # When select or poll has indicated that the file is writable,
+ # we can write up to _PIPE_BUF bytes without risk of blocking.
+ # POSIX defines PIPE_BUF as >= 512.
+ _PIPE_BUF = getattr(select, 'PIPE_BUF', 512)
+
+
__all__ = ["Popen", "PIPE", "STDOUT", "call", "check_call",
"check_output", "CalledProcessError"]
@@ -426,11 +432,6 @@
except:
MAXFD = 256
-# When select or poll has indicated that the file is writable,
-# we can write up to _PIPE_BUF bytes without risk of blocking.
-# POSIX defines PIPE_BUF as >= 512.
-_PIPE_BUF = getattr(select, 'PIPE_BUF', 512)
-
_active = []
def _cleanup():