62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//
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// Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
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// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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//
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// This code is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License version 2 only, as
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// published by the Free Software Foundation.
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//
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// This code is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// version 2 for more details (a copy is included in the LICENSE file that
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// accompanied this code).
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//
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// You should have received a copy of the GNU General Public License version
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// 2 along with this work; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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// CA 95054 USA or visit www.sun.com if you need additional information or
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// have any questions.
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//
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#include "incls/_precompiled.incl"
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#include "incls/_abstractCompiler.cpp.incl"
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void AbstractCompiler::initialize_runtimes(initializer f, volatile int* state) {
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if (*state != initialized) {
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// We are thread in native here...
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CompilerThread* thread = CompilerThread::current();
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bool do_initialization = false;
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{
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ThreadInVMfromNative tv(thread);
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MutexLocker only_one(CompileThread_lock, thread);
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if ( *state == uninitialized) {
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do_initialization = true;
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*state = initializing;
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} else {
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while (*state == initializing ) {
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CompileThread_lock->wait();
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}
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}
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}
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if (do_initialization) {
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// We can not hold any locks here since JVMTI events may call agents
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// Compiler(s) run as native
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(*f)();
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// To in_vm so we can use the lock
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ThreadInVMfromNative tv(thread);
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MutexLocker only_one(CompileThread_lock, thread);
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assert(*state == initializing, "wrong state");
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*state = initialized;
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CompileThread_lock->notify_all();
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}
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}
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}
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