< prev index next >

src/share/vm/memory/genCollectedHeap.cpp

Print this page




 592   StrongRootsScope srs(activate_scope);
 593 
 594   // General roots.
 595   assert(Threads::thread_claim_parity() != 0, "must have called prologue code");
 596   assert(code_roots != NULL, "code root closure should always be set");
 597   // _n_termination for _process_strong_tasks should be set up stream
 598   // in a method not running in a GC worker.  Otherwise the GC worker
 599   // could be trying to change the termination condition while the task
 600   // is executing in another GC worker.
 601 
 602   if (!_process_strong_tasks->is_task_claimed(GCH_PS_ClassLoaderDataGraph_oops_do)) {
 603     ClassLoaderDataGraph::roots_cld_do(strong_cld_closure, weak_cld_closure);
 604   }
 605 
 606   // Some CLDs contained in the thread frames should be considered strong.
 607   // Don't process them if they will be processed during the ClassLoaderDataGraph phase.
 608   CLDClosure* roots_from_clds_p = (strong_cld_closure != weak_cld_closure) ? strong_cld_closure : NULL;
 609   // Only process code roots from thread stacks if we aren't visiting the entire CodeCache anyway
 610   CodeBlobClosure* roots_from_code_p = (so & SO_AllCodeCache) ? NULL : code_roots;
 611 
 612   bool is_par = n_par_threads() > 0;
 613   Threads::possibly_parallel_oops_do(is_par, strong_roots, roots_from_clds_p, roots_from_code_p);
 614 
 615   if (!_process_strong_tasks->is_task_claimed(GCH_PS_Universe_oops_do)) {
 616     Universe::oops_do(strong_roots);
 617   }
 618   // Global (strong) JNI handles
 619   if (!_process_strong_tasks->is_task_claimed(GCH_PS_JNIHandles_oops_do)) {
 620     JNIHandles::oops_do(strong_roots);
 621   }
 622 
 623   if (!_process_strong_tasks->is_task_claimed(GCH_PS_ObjectSynchronizer_oops_do)) {
 624     ObjectSynchronizer::oops_do(strong_roots);
 625   }
 626   if (!_process_strong_tasks->is_task_claimed(GCH_PS_FlatProfiler_oops_do)) {
 627     FlatProfiler::oops_do(strong_roots);
 628   }
 629   if (!_process_strong_tasks->is_task_claimed(GCH_PS_Management_oops_do)) {
 630     Management::oops_do(strong_roots);
 631   }
 632   if (!_process_strong_tasks->is_task_claimed(GCH_PS_jvmti_oops_do)) {




 592   StrongRootsScope srs(activate_scope);
 593 
 594   // General roots.
 595   assert(Threads::thread_claim_parity() != 0, "must have called prologue code");
 596   assert(code_roots != NULL, "code root closure should always be set");
 597   // _n_termination for _process_strong_tasks should be set up stream
 598   // in a method not running in a GC worker.  Otherwise the GC worker
 599   // could be trying to change the termination condition while the task
 600   // is executing in another GC worker.
 601 
 602   if (!_process_strong_tasks->is_task_claimed(GCH_PS_ClassLoaderDataGraph_oops_do)) {
 603     ClassLoaderDataGraph::roots_cld_do(strong_cld_closure, weak_cld_closure);
 604   }
 605 
 606   // Some CLDs contained in the thread frames should be considered strong.
 607   // Don't process them if they will be processed during the ClassLoaderDataGraph phase.
 608   CLDClosure* roots_from_clds_p = (strong_cld_closure != weak_cld_closure) ? strong_cld_closure : NULL;
 609   // Only process code roots from thread stacks if we aren't visiting the entire CodeCache anyway
 610   CodeBlobClosure* roots_from_code_p = (so & SO_AllCodeCache) ? NULL : code_roots;
 611 
 612   bool is_par = n_par_threads() > 1;
 613   Threads::possibly_parallel_oops_do(is_par, strong_roots, roots_from_clds_p, roots_from_code_p);
 614 
 615   if (!_process_strong_tasks->is_task_claimed(GCH_PS_Universe_oops_do)) {
 616     Universe::oops_do(strong_roots);
 617   }
 618   // Global (strong) JNI handles
 619   if (!_process_strong_tasks->is_task_claimed(GCH_PS_JNIHandles_oops_do)) {
 620     JNIHandles::oops_do(strong_roots);
 621   }
 622 
 623   if (!_process_strong_tasks->is_task_claimed(GCH_PS_ObjectSynchronizer_oops_do)) {
 624     ObjectSynchronizer::oops_do(strong_roots);
 625   }
 626   if (!_process_strong_tasks->is_task_claimed(GCH_PS_FlatProfiler_oops_do)) {
 627     FlatProfiler::oops_do(strong_roots);
 628   }
 629   if (!_process_strong_tasks->is_task_claimed(GCH_PS_Management_oops_do)) {
 630     Management::oops_do(strong_roots);
 631   }
 632   if (!_process_strong_tasks->is_task_claimed(GCH_PS_jvmti_oops_do)) {


< prev index next >