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8232733: Remove need to grab Threads_lock while processing handshakes

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Threads_lock is not acquired anymore while processing handshakes

Reviewed-by: coleenp, rehn, dcubed, dholmes
This commit is contained in:
Patricio Chilano Mateo 2019-12-13 14:28:22 +00:00
parent 94e8d6eca4
commit 57ece4c21a
7 changed files with 37 additions and 34 deletions
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4
src/hotspot/share/runtime/mutexLocker.hpp
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@ -174,15 +174,17 @@ void print_owned_locks_on_error(outputStream* st);
char *lock_name(Mutex *mutex);
// for debugging: check that we're already owning this lock (or are at a safepoint)
// for debugging: check that we're already owning this lock (or are at a safepoint / handshake)
#ifdef ASSERT
void assert_locked_or_safepoint(const Mutex* lock);
void assert_locked_or_safepoint_weak(const Mutex* lock);
void assert_lock_strong(const Mutex* lock);
void assert_locked_or_safepoint_or_handshake(const Mutex* lock, const JavaThread* thread);
#else
#define assert_locked_or_safepoint(lock)
#define assert_locked_or_safepoint_weak(lock)
#define assert_lock_strong(lock)
#define assert_locked_or_safepoint_or_handshake(lock, thread)
#endif
class MutexLocker: public StackObj {