stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge

Browse Source
This commit is contained in:
Lois Foltan 2016-08-11 16:13:05 +00:00
commit 35c7012a32
2 changed files with 13 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
hotspot/src/share/vm/classfile/classLoaderData.cpp
View File

@ -126,13 +126,17 @@ bool ClassLoaderData::claim() {
// ClassLoaderData, no other non-GC thread has knowledge of the anonymous class while
// it is being defined, therefore _keep_alive is not volatile or atomic.
void ClassLoaderData::inc_keep_alive() {
assert(_keep_alive >= 0, "Invalid keep alive count");
_keep_alive++;
if (is_anonymous()) {
assert(_keep_alive >= 0, "Invalid keep alive increment count");
_keep_alive++;
}
}
void ClassLoaderData::dec_keep_alive() {
assert(_keep_alive > 0, "Invalid keep alive count");
_keep_alive--;
if (is_anonymous()) {
assert(_keep_alive > 0, "Invalid keep alive decrement count");
_keep_alive--;
}
}
void ClassLoaderData::oops_do(OopClosure* f, KlassClosure* klass_closure, bool must_claim) {

8
hotspot/src/share/vm/classfile/classLoaderData.hpp
View File

@ -176,9 +176,9 @@ class ClassLoaderData : public CHeapObj<mtClass> {
Mutex* _metaspace_lock; // Locks the metaspace for allocations and setup.
bool _unloading; // true if this class loader goes away
bool _is_anonymous; // if this CLD is for an anonymous class
int _keep_alive; // if this CLD is kept alive without a keep_alive_object().
// Currently used solely for anonymous classes.
// _keep_alive does not need to be volatile or
s2 _keep_alive; // if this CLD is kept alive without a keep_alive_object().
// Used for anonymous classes and the boot class
// loader. _keep_alive does not need to be volatile or
// atomic since there is one unique CLD per anonymous class.
volatile int _claimed; // true if claimed, for example during GC traces.
// To avoid applying oop closure more than once.
@ -289,6 +289,8 @@ class ClassLoaderData : public CHeapObj<mtClass> {
return _unloading;
}
// Used to refcount an anonymous class's CLD in order to
// indicate their aliveness without a keep_alive_object().
void inc_keep_alive();
void dec_keep_alive();