Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/os/solaris/vm/thread_solaris.inline.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,45 @@
     1.4 +/*
     1.5 + * Copyright 2002-2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of
    1.29 +// startup.
    1.30 +// ThreadLocalStorage::thread is warm -- it's called > 16K times in the same
    1.31 +// period.   Thread::current() now calls ThreadLocalStorage::thread() directly.
    1.32 +// For SPARC, to avoid excessive register window spill-fill faults,
    1.33 +// we aggressively inline these routines.
    1.34 +
    1.35 +inline Thread* ThreadLocalStorage::thread()  {
    1.36 +  // don't use specialized code if +UseMallocOnly -- may confuse Purify et al.
    1.37 +  debug_only(if (UseMallocOnly) return get_thread_slow(););
    1.38 +
    1.39 +  uintptr_t raw = pd_raw_thread_id();
    1.40 +  int ix = pd_cache_index(raw);
    1.41 +  Thread *Candidate = ThreadLocalStorage::_get_thread_cache[ix];
    1.42 +  if (Candidate->_self_raw_id == raw) {
    1.43 +    // hit
    1.44 +    return Candidate;
    1.45 +  } else {
    1.46 +    return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix);
    1.47 +  }
    1.48 +}