1 // 2 // Copyright (c) 2007, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 // or visit www.oracle.com if you need additional information or have any 21 // questions. 22 // 23 24 25 #include "precompiled.hpp" 26 #include "compiler/abstractCompiler.hpp" 27 #include "runtime/mutexLocker.hpp" 28 29 bool AbstractCompiler::should_perform_init() { 30 if (_compiler_state != initialized) { 31 MutexLocker only_one(CompileThread_lock); 32 33 if (_compiler_state == uninitialized) { 34 _compiler_state = initializing; 35 return true; 36 } else { 37 while (_compiler_state == initializing ) { 38 CompileThread_lock->wait(); 39 } 40 } 41 } 42 return false; 43 } 44 45 void AbstractCompiler::set_state(int state) { 46 assert((_compiler_state == initializing) || (_compiler_state == failed), "wrong state"); 47 MutexLocker only_one(CompileThread_lock); 48 49 // The state of the compiler could have been changed by another thread if 50 // memory allocation of the buffer blob failed. 51 _compiler_state = state; 52 CompileThread_lock->notify_all(); 53 }