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src/os/solaris/vm/osThread_solaris.cpp@710a3c8b516e (annotated)
src/os/solaris/vm/osThread_solaris.cpp
Tue, 08 Aug 2017 15:57:29 +0800
- author
- aoqi
- date
- Tue, 08 Aug 2017 15:57:29 +0800
- changeset 6876
- 710a3c8b516e
- parent 5237
- f2110083203d
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | // no precompiled headers |
| aoqi@0 | 26 | #include "runtime/atomic.hpp" |
| aoqi@0 | 27 | #include "runtime/handles.inline.hpp" |
| aoqi@0 | 28 | #include "runtime/mutexLocker.hpp" |
| aoqi@0 | 29 | #include "runtime/os.hpp" |
| aoqi@0 | 30 | #include "runtime/osThread.hpp" |
| aoqi@0 | 31 | #include "runtime/safepoint.hpp" |
| aoqi@0 | 32 | #include "runtime/vmThread.hpp" |
| aoqi@0 | 33 | |
| aoqi@0 | 34 | #include <signal.h> |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | // *************************************************************** |
| aoqi@0 | 37 | // Platform dependent initialization and cleanup |
| aoqi@0 | 38 | // *************************************************************** |
| aoqi@0 | 39 | |
| aoqi@0 | 40 | void OSThread::pd_initialize() { |
| aoqi@0 | 41 | _thread_id = 0; |
| aoqi@0 | 42 | sigemptyset(&_caller_sigmask); |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | _saved_interrupt_thread_state = _thread_new; |
| aoqi@0 | 45 | _vm_created_thread = false; |
| aoqi@0 | 46 | } |
| aoqi@0 | 47 | |
| aoqi@0 | 48 | void OSThread::pd_destroy() { |
| aoqi@0 | 49 | } |
| aoqi@0 | 50 | |
| aoqi@0 | 51 | // copied from synchronizer.cpp |
| aoqi@0 | 52 | |
| aoqi@0 | 53 | void OSThread::handle_spinlock_contention(int tries) { |
| aoqi@0 | 54 | if (NoYieldsInMicrolock) return; |
| aoqi@0 | 55 | |
| aoqi@0 | 56 | if (tries > 10) { |
| aoqi@0 | 57 | os::yield_all(tries); // Yield to threads of any priority |
| aoqi@0 | 58 | } else if (tries > 5) { |
| aoqi@0 | 59 | os::yield(); // Yield to threads of same or higher priority |
| aoqi@0 | 60 | } |
| aoqi@0 | 61 | } |
| aoqi@0 | 62 | |
| aoqi@0 | 63 | void OSThread::SR_handler(Thread* thread, ucontext_t* uc) { |
| aoqi@0 | 64 | os::Solaris::SR_handler(thread, uc); |
| aoqi@0 | 65 | } |
