Patch #817329: Use SC_OPEN_MAX to determine MAXFD. Backported to 2.3.

2003-10-06 21:34:33 +00:00 · 2003-10-06 21:34:33 +00:00 · f563c8bbac
parent 0a4a50dd85
commit f563c8bbac
1 changed files with 4 additions and 1 deletions
--- a/Lib/popen2.py
+++ b/Lib/popen2.py
@ -11,7 +11,10 @@ import sys

 __all__ = ["popen2", "popen3", "popen4"]

-MAXFD = 256     # Max number of file descriptors (os.getdtablesize()???)
+try:
+    MAXFD = os.sysconf('SC_OPEN_MAX')
+except (AttributeError, ValueError):
+    MAXFD = 256

 _active = []