Mercurial > hg > graal-jvmci-8
diff src/share/vm/runtime/os.hpp @ 4854:de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
Summary: Add CriticalPriority == MaxPriority+1 and enable scheduling class as well as thread priority to change on Solaris.
Reviewed-by: dholmes, dcubed
| author | phh |
|---|---|
| date | Thu, 26 Jan 2012 20:06:06 -0500 |
| parents | 2b3acb34791f |
| children | 897b7d18bebc da4be62fb889 |
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--- a/src/share/vm/runtime/os.hpp Wed Jan 25 18:58:59 2012 -0800 +++ b/src/share/vm/runtime/os.hpp Thu Jan 26 20:06:06 2012 -0500 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2012, 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 @@ -73,8 +73,9 @@ MinPriority = 1, // Minimum priority NormPriority = 5, // Normal (non-daemon) priority NearMaxPriority = 9, // High priority, used for VMThread - MaxPriority = 10 // Highest priority, used for WatcherThread + MaxPriority = 10, // Highest priority, used for WatcherThread // ensures that VMThread doesn't starve profiler + CriticalPriority = 11 // Critical thread priority }; // Typedef for structured exception handling support @@ -733,7 +734,7 @@ // Thread priority helpers (implemented in OS-specific part) static OSReturn set_native_priority(Thread* thread, int native_prio); static OSReturn get_native_priority(const Thread* const thread, int* priority_ptr); - static int java_to_os_priority[MaxPriority + 1]; + static int java_to_os_priority[CriticalPriority + 1]; // Hint to the underlying OS that a task switch would not be good. // Void return because it's a hint and can fail. static void hint_no_preempt();