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-rw-r--r--winsup/cygwin/select.cc25
1 files changed, 23 insertions, 2 deletions
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index d6757e4ed..59325860d 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -1871,6 +1871,26 @@ fhandler_signalfd::select_except (select_stuff *stuff)
return s;
}
+static int
+peek_timerfd (select_record *me, bool)
+{
+ if (WaitForSingleObject (me->h, 0) == WAIT_OBJECT_0)
+ {
+ select_printf ("timerfd %d ready", me->fd);
+ me->read_ready = true;
+ return 1;
+ }
+ select_printf ("timerfd %d not ready", me->fd);
+ return 0;
+}
+
+static int
+verify_timerfd (select_record *me, fd_set *rfds, fd_set *wfds,
+ fd_set *efds)
+{
+ return peek_timerfd (me, true);
+}
+
select_record *
fhandler_timerfd::select_read (select_stuff *stuff)
{
@@ -1878,11 +1898,12 @@ fhandler_timerfd::select_read (select_stuff *stuff)
if (!s->startup)
{
s->startup = no_startup;
- s->verify = verify_ok;
+ s->verify = verify_timerfd;
}
s->h = get_timerfd_handle ();
+ s->peek = peek_timerfd;
s->read_selected = true;
- s->read_ready = true;
+ s->read_ready = false;
return s;
}