Cygwin: drop support for systems not supporting QueryUnbiasedInterruptTime

i. e., Vista/2008

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

1 files changed, 6 insertions, 19 deletions

diff --git a/winsup/cygwin/clock.cc b/winsup/cygwin/clock.cc
index 9c0b787ba..e010ed488 100644
--- a/winsup/cygwin/clock.cc
+++ b/winsup/cygwin/clock.cc
@@ -190,26 +190,13 @@ clk_monotonic_t::now (clockid_t clockid, struct timespec *ts)
 int
 clk_monotonic_coarse_t::now (clockid_t clockid, struct timespec *ts)
 {
-  if (wincap.has_unbiased_interrupt_time ())
-    {
-      /* Suspend time not taken into account, as on Linux */
-      ULONGLONG now;
-
-      QueryUnbiasedInterruptTime (&now);
-      ts->tv_sec = now / NS100PERSEC;
-      now %= NS100PERSEC;
-      ts->tv_nsec = now * (NSPERSEC/NS100PERSEC);
-    }
-  else
-    {
-      /* Vista-only: GetTickCount64 is biased but it's coarse and monotonic. */
-      ULONGLONG now;
+  /* Suspend time not taken into account, as on Linux */
+  ULONGLONG now;
 
-      now = GetTickCount64 ();	/* Returns ms since boot */
-      ts->tv_sec = now / MSPERSEC;
-      now %= MSPERSEC;
-      ts->tv_nsec = now * (NSPERSEC/MSPERSEC);
-    }
+  QueryUnbiasedInterruptTime (&now);
+  ts->tv_sec = now / NS100PERSEC;
+  now %= NS100PERSEC;
+  ts->tv_nsec = now * (NSPERSEC/NS100PERSEC);
   return 0;
 }