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8230003: Make Monitor inherit from Mutex

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Reverse inheritance that makes more sense.

Reviewed-by: dholmes, rehn, pchilanomate
This commit is contained in:
Coleen Phillimore 2019-08-22 09:51:36 -04:00
parent a405118f90
commit da18495f38
10 changed files with 143 additions and 169 deletions
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4
src/hotspot/share/runtime/thread.hpp
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@ -736,7 +736,7 @@ protected:
#ifdef ASSERT
private:
// Deadlock detection support for Mutex locks. List of locks own by thread.
Monitor* _owned_locks;
Mutex* _owned_locks;
// Mutex::set_owner_implementation is the only place where _owned_locks is modified,
// thus the friendship
friend class Mutex;
@ -745,7 +745,7 @@ protected:
public:
void print_owned_locks_on(outputStream* st) const;
void print_owned_locks() const { print_owned_locks_on(tty); }
Monitor* owned_locks() const { return _owned_locks; }
Mutex* owned_locks() const { return _owned_locks; }
bool owns_locks() const { return owned_locks() != NULL; }
// Deadlock detection