src/share/vm/runtime/safepoint.cpp

rev 10493 : [Backport] Shenandoah string deduplication

*** 113,123 ****
  #if INCLUDE_ALL_GCS
    if (UseConcMarkSweepGC) {
      // In the future we should investigate whether CMS can use the
      // more-general mechanism below.  DLD (01/05).
      ConcurrentMarkSweepThread::synchronize(false);
!   } else if (UseG1GC) {
      SuspendibleThreadSet::synchronize();
    }
  #endif // INCLUDE_ALL_GCS
  
    // By getting the Threads_lock, we assure that no threads are about to start or
--- 113,123 ----
  #if INCLUDE_ALL_GCS
    if (UseConcMarkSweepGC) {
      // In the future we should investigate whether CMS can use the
      // more-general mechanism below.  DLD (01/05).
      ConcurrentMarkSweepThread::synchronize(false);
!   } else if (UseG1GC || (UseShenandoahGC && UseStringDeduplication)) {
      SuspendibleThreadSet::synchronize();
    }
  #endif // INCLUDE_ALL_GCS
  
    // By getting the Threads_lock, we assure that no threads are about to start or
*** 489,499 ****
    }
  #if INCLUDE_ALL_GCS
    // If there are any concurrent GC threads resume them.
    if (UseConcMarkSweepGC) {
      ConcurrentMarkSweepThread::desynchronize(false);
!   } else if (UseG1GC) {
      SuspendibleThreadSet::desynchronize();
    }
  #endif // INCLUDE_ALL_GCS
    // record this time so VMThread can keep track how much time has elasped
    // since last safepoint.
--- 489,499 ----
    }
  #if INCLUDE_ALL_GCS
    // If there are any concurrent GC threads resume them.
    if (UseConcMarkSweepGC) {
      ConcurrentMarkSweepThread::desynchronize(false);
!   } else if (UseG1GC || (UseShenandoahGC && UseStringDeduplication)) {
      SuspendibleThreadSet::desynchronize();
    }
  #endif // INCLUDE_ALL_GCS
    // record this time so VMThread can keep track how much time has elasped
    // since last safepoint.