From: Miles Bader <miles@gnu.org>
Date: Tue, 5 Mar 1996 17:15:44 +0000 (+0000)
Subject: (__select): Don't fault when some fdmask is 0.
X-Git-Tag: upstream/2.30~29631
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3cf11a4b3388982a0b4946953c1500a3c583074d;p=external%2Fglibc.git

(__select): Don't fault when some fdmask is 0.
---

diff --git a/sysdeps/mach/hurd/select.c b/sysdeps/mach/hurd/select.c
index 001a28b..d170287 100644
--- a/sysdeps/mach/hurd/select.c
+++ b/sysdeps/mach/hurd/select.c
@@ -284,15 +284,15 @@ DEFUN(__select, (nfds, readfds, writefds, exceptfds, timeout),
 
       if (type & SELECT_READ)
 	got++;
-      else
+      else if (readfds)
 	FD_CLR (i, readfds);
       if (type & SELECT_WRITE)
 	got++;
-      else
+      else if (writefds)
 	FD_CLR (i, writefds);
       if (type & SELECT_URG)
 	got++;
-      else
+      else if (exceptfds)
 	FD_CLR (i, exceptfds);
     }