Mercurial > hg > truffle
view src/share/vm/compiler/abstractCompiler.cpp @ 609:ea20d7ce26b0
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.
Reviewed-by: coleenp, swamyv
author | dcubed |
---|---|
date | Mon, 02 Mar 2009 14:00:23 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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// // 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(); } } }