- ticks_to_gc = RtsFlags.GcFlags.idleGCDelayTicks;
- recent_activity = ACTIVITY_INACTIVE;
- blackholes_need_checking = rtsTrue;
- /* hack: re-use the blackholes_need_checking flag */
-
-#if !defined(mingw32_HOST_OS)
- // This forces the IO Manager thread to wakeup, which will
- // in turn ensure that some OS thread wakes up and runs the
- // scheduler loop, which will cause a GC and deadlock check.
- ioManagerWakeup();
-#else
- /* ToDo: this doesn't work. Can't invoke
- * pthread_cond_signal from a signal handler.
- * Furthermore, we can't prod a capability that we
- * might be holding. What can we do?
- */
- prodOneCapability();
-#endif
+ /* 0 ==> no idle GC */
+ recent_activity = ACTIVITY_DONE_GC;
+ // disable timer signals (see #1623)
+ stopTimer();
+ } else {
+ ticks_to_gc--;
+ if (ticks_to_gc == 0) {
+ ticks_to_gc = RtsFlags.GcFlags.idleGCDelayTime /
+ RtsFlags.MiscFlags.tickInterval;
+ recent_activity = ACTIVITY_INACTIVE;
+ wakeUpRts();
+ }