2001-10-28 Roland McGrath <roland@frob.com>

	* hurd/hurdselect.c (_hurd_select): Check SELECT_RETURNED bit when
	packing results for a `poll' call.

diff --git a/hurd/hurdselect.c b/hurd/hurdselect.c
index bcc2594..c3dfb52 100644 (file)
--- a/hurd/hurdselect.c
+++ b/hurd/hurdselect.c
@@ -1,5 +1,6 @@
 /* Guts of both `select' and `poll' for Hurd.
-   Copyright (C) 1991,92,93,94,95,96,97,98, 99 Free Software Foundation, Inc.
+   Copyright (C) 1991,92,93,94,95,96,97,98,99,2001
+       Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -395,15 +396,18 @@ _hurd_select (int nfds,
     /* Fill in the `revents' members of the user's array.  */
     for (i = 0; i < nfds; ++i)
       {
-       const int type = d[i].type;
+       int type = d[i].type;
        int_fast16_t revents = 0;
 
-       if (type & SELECT_READ)
-         revents |= POLLIN;
-       if (type & SELECT_WRITE)
-         revents |= POLLOUT;
-       if (type & SELECT_URG)
-         revents |= POLLPRI;
+       if (type & SELECT_RETURNED)
+         {
+           if (type & SELECT_READ)
+             revents |= POLLIN;
+           if (type & SELECT_WRITE)
+             revents |= POLLOUT;
+           if (type & SELECT_URG)
+             revents |= POLLPRI;
+         }
 
        pollfds[i].revents = revents;
       }