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

     1 /*
     2  * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #ifndef OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
    26 #define OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
    28 #ifndef SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE
    29 #error "This file should only be included from thread.inline.hpp"
    30 #endif
    32 #include "runtime/atomic.inline.hpp"
    33 #include "runtime/thread.hpp"
    34 #include "runtime/threadLocalStorage.hpp"
    36 // Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of
    37 // startup.
    38 // ThreadLocalStorage::thread is warm -- it's called > 16K times in the same
    39 // period.   Thread::current() now calls ThreadLocalStorage::thread() directly.
    40 // For SPARC, to avoid excessive register window spill-fill faults,
    41 // we aggressively inline these routines.
    43 inline Thread* ThreadLocalStorage::thread()  {
    44   // don't use specialized code if +UseMallocOnly -- may confuse Purify et al.
    45   debug_only(if (UseMallocOnly) return get_thread_slow(););
    47   uintptr_t raw = pd_raw_thread_id();
    48   int ix = pd_cache_index(raw);
    49   Thread* candidate = ThreadLocalStorage::_get_thread_cache[ix];
    50   if (candidate->self_raw_id() == raw) {
    51     // hit
    52     return candidate;
    53   } else {
    54     return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix);
    55   }
    56 }
    58 #endif // OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP

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