src/os/solaris/vm/thread_solaris.inline.hpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/os/solaris/vm/thread_solaris.inline.hpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,69 @@
     1.4 +/*
     1.5 + * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
    1.29 +#define OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
    1.30 +
    1.31 +#ifndef SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE
    1.32 +#error "This file should only be included from thread.inline.hpp"
    1.33 +#endif
    1.34 +
    1.35 +#include "runtime/atomic.hpp"
    1.36 +#include "runtime/prefetch.hpp"
    1.37 +#include "runtime/thread.hpp"
    1.38 +#include "runtime/threadLocalStorage.hpp"
    1.39 +#ifdef TARGET_OS_ARCH_solaris_x86
    1.40 +# include "atomic_solaris_x86.inline.hpp"
    1.41 +# include "orderAccess_solaris_x86.inline.hpp"
    1.42 +# include "prefetch_solaris_x86.inline.hpp"
    1.43 +#endif
    1.44 +#ifdef TARGET_OS_ARCH_solaris_sparc
    1.45 +# include "atomic_solaris_sparc.inline.hpp"
    1.46 +# include "orderAccess_solaris_sparc.inline.hpp"
    1.47 +# include "prefetch_solaris_sparc.inline.hpp"
    1.48 +#endif
    1.49 +
    1.50 +// Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of
    1.51 +// startup.
    1.52 +// ThreadLocalStorage::thread is warm -- it's called > 16K times in the same
    1.53 +// period.   Thread::current() now calls ThreadLocalStorage::thread() directly.
    1.54 +// For SPARC, to avoid excessive register window spill-fill faults,
    1.55 +// we aggressively inline these routines.
    1.56 +
    1.57 +inline Thread* ThreadLocalStorage::thread()  {
    1.58 +  // don't use specialized code if +UseMallocOnly -- may confuse Purify et al.
    1.59 +  debug_only(if (UseMallocOnly) return get_thread_slow(););
    1.60 +
    1.61 +  uintptr_t raw = pd_raw_thread_id();
    1.62 +  int ix = pd_cache_index(raw);
    1.63 +  Thread* candidate = ThreadLocalStorage::_get_thread_cache[ix];
    1.64 +  if (candidate->self_raw_id() == raw) {
    1.65 +    // hit
    1.66 +    return candidate;
    1.67 +  } else {
    1.68 +    return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix);
    1.69 +  }
    1.70 +}
    1.71 +
    1.72 +#endif // OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP

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