jdk8-mips64-public/hotspot: src/os/solaris/vm/os_share

6784100: getTimeNanos - CAS reduction
Summary: Get rid of the CAS loop in getTimeNanos to reduce coherence traffic on Solaris.
Reviewed-by: acorn, kvn, ysr

     1 /*

     2  * Copyright 1999-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 // Defines the interfaces to Solaris operating systems that vary across platforms

    28 // This is a simple callback that just fetches a PC for an interrupted thread.

    29 // The thread need not be suspended and the fetched PC is just a hint.

    30 // Returned PC and nPC are not necessarily consecutive.

    31 // This one is currently used for profiling the VMThread ONLY!

    33 // Must be synchronous

    34 class GetThreadPC_Callback : public OSThread::Sync_Interrupt_Callback {

    35  private:

    36   ExtendedPC _addr;

    38  public:

    40   GetThreadPC_Callback(Monitor *sync) :

    41     OSThread::Sync_Interrupt_Callback(sync) { }

    42   ExtendedPC addr() const { return _addr; }

    44   void set_addr(ExtendedPC addr) { _addr = addr; }

    46   void execute(OSThread::InterruptArguments *args);

    47 };

    49 // misc

    50 extern "C" {

    51   void signalHandler(int, siginfo_t*, void*);

    52 }

    53 void resolve_lwp_exit_calls(void);

    54 void handle_unexpected_exception(Thread* thread, int sig, siginfo_t* info, address pc, address adjusted_pc);

    55 #ifndef PRODUCT

    56 void continue_with_dump(void);

    57 #endif

    59 #if defined(__sparc) && defined(COMPILER2)

    60 // For Sun Studio compiler implementation is in  file

    61 // src/os_cpu/solaris_sparc/vm/solaris_sparc.il

    62 // For gcc implementation is in  file

    63 // src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp

    64 extern "C" void _mark_fpu_nosave() ;

    65 #endif

    67 #define PROCFILE_LENGTH 128

src/os/solaris/vm/os_share_solaris.hpp@8a25d96bcf08

src/os/solaris/vm/os_share_solaris.hpp

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

src/os/solaris/vm/os_share_solaris.hpp@8a25d96bcf08

src/os/solaris/vm/os_share_solaris.hpp