524 }
525
526 if (SymbolTable::needs_rehashing()) {
527 TraceTime t5("rehashing symbol table", TraceSafepointCleanupTime);
528 SymbolTable::rehash_table();
529 }
530
531 if (StringTable::needs_rehashing()) {
532 TraceTime t6("rehashing string table", TraceSafepointCleanupTime);
533 StringTable::rehash_table();
534 }
535
536 // rotate log files?
537 if (UseGCLogFileRotation) {
538 gclog_or_tty->rotate_log();
539 }
540
541 if (MemTracker::is_on()) {
542 MemTracker::sync();
543 }
544 }
545
546
547 bool SafepointSynchronize::safepoint_safe(JavaThread *thread, JavaThreadState state) {
548 switch(state) {
549 case _thread_in_native:
550 // native threads are safe if they have no java stack or have walkable stack
551 return !thread->has_last_Java_frame() || thread->frame_anchor()->walkable();
552
553 // blocked threads should have already have walkable stack
554 case _thread_blocked:
555 assert(!thread->has_last_Java_frame() || thread->frame_anchor()->walkable(), "blocked and not walkable");
556 return true;
557
558 default:
559 return false;
560 }
561 }
562
563
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524 }
525
526 if (SymbolTable::needs_rehashing()) {
527 TraceTime t5("rehashing symbol table", TraceSafepointCleanupTime);
528 SymbolTable::rehash_table();
529 }
530
531 if (StringTable::needs_rehashing()) {
532 TraceTime t6("rehashing string table", TraceSafepointCleanupTime);
533 StringTable::rehash_table();
534 }
535
536 // rotate log files?
537 if (UseGCLogFileRotation) {
538 gclog_or_tty->rotate_log();
539 }
540
541 if (MemTracker::is_on()) {
542 MemTracker::sync();
543 }
544
545 }
546
547
548 bool SafepointSynchronize::safepoint_safe(JavaThread *thread, JavaThreadState state) {
549 switch(state) {
550 case _thread_in_native:
551 // native threads are safe if they have no java stack or have walkable stack
552 return !thread->has_last_Java_frame() || thread->frame_anchor()->walkable();
553
554 // blocked threads should have already have walkable stack
555 case _thread_blocked:
556 assert(!thread->has_last_Java_frame() || thread->frame_anchor()->walkable(), "blocked and not walkable");
557 return true;
558
559 default:
560 return false;
561 }
562 }
563
564
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