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8043630: Method os::yield_all() should be removed

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Reviewed-by: dholmes, dsimms
This commit is contained in:
Frederic Parain 2014-06-23 06:58:26 -07:00
parent d9a2dbc73b
commit 5507f2b476
9 changed files with 9 additions and 58 deletions
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14
hotspot/src/share/vm/services/memTracker.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2014, 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
@ -481,17 +481,9 @@ class MemTracker : AllStatic {
if (_slowdown_calling_thread && thr != _worker_thread) {
#ifdef _WINDOWS
// On Windows, os::NakedYield() does not work as well
// as os::yield_all()
os::yield_all();
// as short sleep.
os::naked_short_sleep(1);
#else
// On Solaris, os::yield_all() depends on os::sleep()
// which requires JavaTherad in _thread_in_vm state.
// Transits thread to _thread_in_vm state can be dangerous
// if caller holds lock, as it may deadlock with Threads_lock.
// So use NaKedYield instead.
//
// Linux and BSD, NakedYield() and yield_all() implementations
// are the same.
os::NakedYield();
#endif
}