On Sat, Oct 27, 2001 at 09:59:15PM -0400, Roland McGrath wrote:
> At a quick glance, the code for both (hurdselect.c) looks the same to me,
> but I don't have time right now to examine it too thoroughly. If the
> problem with poll does not happen with select, then hurdselect.c is almost
> certainly the place that has the bug.
Well, I found a discrepancy, which seems to explain the bug.
2001-10-28 Marcus Brinkmann <[EMAIL PROTECTED]>
* hurd/hurdselect.c (_hurd_select): Set type to zero if
SELECT_RETURNED is not set before filling in the `revents'
members of the user's array.
--- hurdselect.c.old Sun Oct 28 03:52:43 2001
+++ hurdselect.c Sun Oct 28 03:53:52 2001
@@ -398,6 +398,9 @@ _hurd_select (int nfds,
const int type = d[i].type;
int_fast16_t revents = 0;
+ if ((type & SELECT_RETURNED) == 0)
+ type = 0;
+
if (type & SELECT_READ)
revents |= POLLIN;
if (type & SELECT_WRITE)
Thanks,
Marcus
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