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

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/compiler/abstractCompiler.cpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,61 @@
     1.4 +//
     1.5 +// Copyright 2007 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 +#include "incls/_precompiled.incl"
    1.28 +#include "incls/_abstractCompiler.cpp.incl"
    1.29 +
    1.30 +void AbstractCompiler::initialize_runtimes(initializer f, volatile int* state) {
    1.31 +  if (*state != initialized) {
    1.32 +
    1.33 +    // We are thread in native here...
    1.34 +    CompilerThread* thread = CompilerThread::current();
    1.35 +    bool do_initialization = false;
    1.36 +    {
    1.37 +      ThreadInVMfromNative tv(thread);
    1.38 +      MutexLocker only_one(CompileThread_lock, thread);
    1.39 +      if ( *state == uninitialized) {
    1.40 +        do_initialization = true;
    1.41 +        *state = initializing;
    1.42 +      } else {
    1.43 +        while (*state == initializing ) {
    1.44 +          CompileThread_lock->wait();
    1.45 +        }
    1.46 +      }
    1.47 +    }
    1.48 +    if (do_initialization) {
    1.49 +      // We can not hold any locks here since JVMTI events may call agents
    1.50 +
    1.51 +      // Compiler(s) run as native
    1.52 +
    1.53 +      (*f)();
    1.54 +
    1.55 +      // To in_vm so we can use the lock
    1.56 +
    1.57 +      ThreadInVMfromNative tv(thread);
    1.58 +      MutexLocker only_one(CompileThread_lock, thread);
    1.59 +      assert(*state == initializing, "wrong state");
    1.60 +      *state = initialized;
    1.61 +      CompileThread_lock->notify_all();
    1.62 +    }
    1.63 +  }
    1.64 +}