src/hotspot/share/gc/shenandoah/shenandoahPacer.inline.hpp

rev 59716 : 8247367: Shenandoah: pacer should wait on lock instead of exponential backoff
Reviewed-by: XXX

*** 46,56 ****
  }
  
  inline void ShenandoahPacer::report_internal(size_t words) {
    assert(ShenandoahPacing, "Only be here when pacing is enabled");
    STATIC_ASSERT(sizeof(size_t) <= sizeof(intptr_t));
!   Atomic::add(&_budget, (intptr_t)words);
  }
  
  inline void ShenandoahPacer::report_progress_internal(size_t words) {
    assert(ShenandoahPacing, "Only be here when pacing is enabled");
    STATIC_ASSERT(sizeof(size_t) <= sizeof(intptr_t));
--- 46,63 ----
  }
  
  inline void ShenandoahPacer::report_internal(size_t words) {
    assert(ShenandoahPacing, "Only be here when pacing is enabled");
    STATIC_ASSERT(sizeof(size_t) <= sizeof(intptr_t));
!   intptr_t inc = (intptr_t) words;
!   intptr_t new_budget = Atomic::add(&_budget, inc);
! 
!   // Was the budget replenished beyond zero? Then all pacing claims
!   // are satisfied, notify the waiters.
!   if (new_budget >= 0 && (new_budget - inc) < 0) {
!     notify_waiters();
!   }
  }
  
  inline void ShenandoahPacer::report_progress_internal(size_t words) {
    assert(ShenandoahPacing, "Only be here when pacing is enabled");
    STATIC_ASSERT(sizeof(size_t) <= sizeof(intptr_t));