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8156500: Move Reference pending list into VM to prevent deadlocks

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Move reference pending list and locking into VM

Co-authored-by: Per Liden <per.liden@oracle.com>
Reviewed-by: coleenp, dholmes, dcubed, mchung, plevart
This commit is contained in:
Kim Barrett 2016-08-30 23:48:16 -04:00
parent 4f55b6c7e0
commit 66706edf15
29 changed files with 133 additions and 576 deletions
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13
hotspot/src/share/vm/classfile/javaClasses.hpp
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@ -886,17 +886,11 @@ class java_lang_ref_Reference: AllStatic {
hc_next_offset = 2,
hc_discovered_offset = 3 // Is not last, see SoftRefs.
};
enum {
hc_static_lock_offset = 0,
hc_static_pending_offset = 1
};
static int referent_offset;
static int queue_offset;
static int next_offset;
static int discovered_offset;
static int static_lock_offset;
static int static_pending_offset;
static int number_of_fake_oop_fields;
// Accessors
@ -912,13 +906,6 @@ class java_lang_ref_Reference: AllStatic {
static inline void set_discovered(oop ref, oop value);
static inline void set_discovered_raw(oop ref, oop value);
static inline HeapWord* discovered_addr(oop ref);
// Accessors for statics
static oop pending_list_lock();
static oop pending_list();
static HeapWord* pending_list_lock_addr();
static HeapWord* pending_list_addr();
};