archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 06:45:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8226228: Make Threads_lock an always safepoint checked lock

Browse source 
Reviewed-by: coleenp, dcubed, dholmes
This commit is contained in:
Robbin Ehn 2019-08-09 11:04:08 +02:00
parent 98fb7b85e5
commit c6446d44b7
10 changed files with 32 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/hotspot/share/runtime/thread.hpp
View file

@ -491,6 +491,10 @@ class Thread: public ThreadShadow {
// Can this thread make Java upcalls
virtual bool can_call_java() const { return false; }
// Is this a JavaThread that is on the VM's current ThreadsList?
// If so it must participate in the safepoint protocol.
virtual bool is_active_Java_thread() const { return false; }
// Casts
virtual WorkerThread* as_Worker_thread() const { return NULL; }
@ -1247,6 +1251,10 @@ class JavaThread: public Thread {
virtual bool is_Java_thread() const { return true; }
virtual bool can_call_java() const { return true; }
virtual bool is_active_Java_thread() const {
return on_thread_list() && !is_terminated();
}
// Thread oop. threadObj() can be NULL for initial JavaThread
// (or for threads attached via JNI)
oop threadObj() const { return _threadObj; }