Mercurial > hg > graal-compiler
diff src/share/vm/compiler/abstractCompiler.cpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/compiler/abstractCompiler.cpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,61 @@ +// +// Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. +// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +// +// This code is free software; you can redistribute it and/or modify it +// under the terms of the GNU General Public License version 2 only, as +// published by the Free Software Foundation. +// +// This code is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +// version 2 for more details (a copy is included in the LICENSE file that +// accompanied this code). +// +// You should have received a copy of the GNU General Public License version +// 2 along with this work; if not, write to the Free Software Foundation, +// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +// +// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, +// CA 95054 USA or visit www.sun.com if you need additional information or +// have any questions. +// + +#include "incls/_precompiled.incl" +#include "incls/_abstractCompiler.cpp.incl" + +void AbstractCompiler::initialize_runtimes(initializer f, volatile int* state) { + if (*state != initialized) { + + // We are thread in native here... + CompilerThread* thread = CompilerThread::current(); + bool do_initialization = false; + { + ThreadInVMfromNative tv(thread); + MutexLocker only_one(CompileThread_lock, thread); + if ( *state == uninitialized) { + do_initialization = true; + *state = initializing; + } else { + while (*state == initializing ) { + CompileThread_lock->wait(); + } + } + } + if (do_initialization) { + // We can not hold any locks here since JVMTI events may call agents + + // Compiler(s) run as native + + (*f)(); + + // To in_vm so we can use the lock + + ThreadInVMfromNative tv(thread); + MutexLocker only_one(CompileThread_lock, thread); + assert(*state == initializing, "wrong state"); + *state = initialized; + CompileThread_lock->notify_all(); + } + } +}