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Cygwin: timerfd: fix select always returning immediately 

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2019-02-23 23:02:44 +01:00
parent bcb33dc4f0
commit 0fb41d48aa
1 changed files with 23 additions and 2 deletions
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25
winsup/cygwin/select.cc
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@ -1871,6 +1871,26 @@ fhandler_signalfd::select_except (select_stuff *stuff)
return s; 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 * select_record *
fhandler_timerfd::select_read (select_stuff *stuff) fhandler_timerfd::select_read (select_stuff *stuff)
{ {
@ -1878,11 +1898,12 @@ fhandler_timerfd::select_read (select_stuff *stuff)
if (!s->startup) if (!s->startup)
{ {
s->startup = no_startup; s->startup = no_startup;
s->verify = verify_ok; s->verify = verify_timerfd;
} }
s->h = get_timerfd_handle (); s->h = get_timerfd_handle ();
s->peek = peek_timerfd;
s->read_selected = true; s->read_selected = true;
s->read_ready = true; s->read_ready = false;
return s; return s;
} }