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src/os/solaris/vm/thread_solaris.inline.hpp@7ae4e26cb1e0 (annotated)
src/os/solaris/vm/thread_solaris.inline.hpp
Thu, 12 Oct 2017 21:27:07 +0800
- author
- aoqi
- date
- Thu, 12 Oct 2017 21:27:07 +0800
- changeset 7535
- 7ae4e26cb1e0
- parent 6912
- c49dcaf78a65
- parent 6876
- 710a3c8b516e
- child 8604
- 04d83ba48607
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2002, 2011, 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 | #ifndef OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP |
| aoqi@0 | 26 | #define OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | #ifndef SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE |
| aoqi@0 | 29 | #error "This file should only be included from thread.inline.hpp" |
| aoqi@0 | 30 | #endif |
| aoqi@0 | 31 | |
| goetz@6911 | 32 | #include "runtime/atomic.inline.hpp" |
| aoqi@0 | 33 | #include "runtime/thread.hpp" |
| aoqi@0 | 34 | #include "runtime/threadLocalStorage.hpp" |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | // Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of |
| aoqi@0 | 37 | // startup. |
| aoqi@0 | 38 | // ThreadLocalStorage::thread is warm -- it's called > 16K times in the same |
| aoqi@0 | 39 | // period. Thread::current() now calls ThreadLocalStorage::thread() directly. |
| aoqi@0 | 40 | // For SPARC, to avoid excessive register window spill-fill faults, |
| aoqi@0 | 41 | // we aggressively inline these routines. |
| aoqi@0 | 42 | |
| aoqi@0 | 43 | inline Thread* ThreadLocalStorage::thread() { |
| aoqi@0 | 44 | // don't use specialized code if +UseMallocOnly -- may confuse Purify et al. |
| aoqi@0 | 45 | debug_only(if (UseMallocOnly) return get_thread_slow();); |
| aoqi@0 | 46 | |
| aoqi@0 | 47 | uintptr_t raw = pd_raw_thread_id(); |
| aoqi@0 | 48 | int ix = pd_cache_index(raw); |
| aoqi@0 | 49 | Thread* candidate = ThreadLocalStorage::_get_thread_cache[ix]; |
| aoqi@0 | 50 | if (candidate->self_raw_id() == raw) { |
| aoqi@0 | 51 | // hit |
| aoqi@0 | 52 | return candidate; |
| aoqi@0 | 53 | } else { |
| aoqi@0 | 54 | return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix); |
| aoqi@0 | 55 | } |
| aoqi@0 | 56 | } |
| aoqi@0 | 57 | |
| aoqi@0 | 58 | #endif // OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP |
