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8235678: Remove unnecessary calls to Thread::current() in MutexLocker calls

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Add THREAD argument when available and make Thread* the first argument to relevant MutexLocker and MonitorLocker constructors

Reviewed-by: lfoltan, coleenp, dholmes
This commit is contained in:
Harold Seigel 2020-01-16 13:48:23 +00:00
parent e2240b714e
commit 7fc58a1020
36 changed files with 122 additions and 121 deletions
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8
src/hotspot/share/runtime/mutexLocker.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -206,7 +206,7 @@ class MutexLocker: public StackObj {
}
}
MutexLocker(Mutex* mutex, Thread* thread, Mutex::SafepointCheckFlag flag = Mutex::_safepoint_check_flag) :
MutexLocker(Thread* thread, Mutex* mutex, Mutex::SafepointCheckFlag flag = Mutex::_safepoint_check_flag) :
_mutex(mutex) {
bool no_safepoint_check = flag == Mutex::_no_safepoint_check_flag;
if (_mutex != NULL) {
@ -242,8 +242,8 @@ class MonitorLocker: public MutexLocker {
assert(_monitor != NULL, "NULL monitor not allowed");
}
MonitorLocker(Monitor* monitor, Thread* thread, Mutex::SafepointCheckFlag flag = Mutex::_safepoint_check_flag) :
MutexLocker(monitor, thread, flag), _flag(flag), _monitor(monitor) {
MonitorLocker(Thread* thread, Monitor* monitor, Mutex::SafepointCheckFlag flag = Mutex::_safepoint_check_flag) :
MutexLocker(thread, monitor, flag), _flag(flag), _monitor(monitor) {
// Superclass constructor did locking
assert(_monitor != NULL, "NULL monitor not allowed");
}