[newlib-cygwin] Cygwin: timerfd: reset expiry counter in settime

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=a75bd958b4a64182645984babedad3c2babb8401

commit a75bd958b4a64182645984babedad3c2babb8401
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Mon Jan 21 22:54:26 2019 +0100

    Cygwin: timerfd: reset expiry counter in settime
    
    As on Linux, reset the expiry counter when the timer gets rearmed.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/timerfd.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/winsup/cygwin/timerfd.cc b/winsup/cygwin/timerfd.cc
index 295716f..e865c0c 100644
--- a/winsup/cygwin/timerfd.cc
+++ b/winsup/cygwin/timerfd.cc
@@ -574,6 +574,7 @@ timerfd_shared::arm_timer (int flags, const struct itimerspec *new_value)
     }
   set_exp_ts (ts);
   time_spec () = *new_value;
+  read_and_reset_expiration_count ();
   /* TODO: CLOCK_REALTIME_ALARM / CLOCK_BOOTTIME_ALARM
 	   Note: Advanced Power Settings -> Sleep -> Allow Wake Timers
 	   since W10 1709 */