Mercurial > hg > graal-compiler
view src/os/solaris/vm/threadCritical_solaris.cpp @ 21151:7ffff68b31fb
Add assert in PEReadEliminationClosure
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
---|---|
date | Wed, 29 Apr 2015 14:36:13 +0200 |
parents | f34d701e952e |
children |
line wrap: on
line source
/* * Copyright (c) 2001, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "runtime/thread.inline.hpp" #include "runtime/threadCritical.hpp" // OS-includes here #include <thread.h> #include <synch.h> // // See threadCritical.hpp for details of this class. // // For some reason, we don't do locking until the // os::init() call completes. I'm not sure why this // is, and have left it that way for now. This should // be reviewed later. static mutex_t global_mut; static thread_t global_mut_owner = -1; static int global_mut_count = 0; static bool initialized = false; ThreadCritical::ThreadCritical() { if (initialized) { thread_t owner = thr_self(); if (global_mut_owner != owner) { if (os::Solaris::mutex_lock(&global_mut)) fatal(err_msg("ThreadCritical::ThreadCritical: mutex_lock failed (%s)", strerror(errno))); assert(global_mut_count == 0, "must have clean count"); assert(global_mut_owner == -1, "must have clean owner"); } global_mut_owner = owner; ++global_mut_count; } else { assert (Threads::number_of_threads() == 0, "valid only during initialization"); } } ThreadCritical::~ThreadCritical() { if (initialized) { assert(global_mut_owner == thr_self(), "must have correct owner"); assert(global_mut_count > 0, "must have correct count"); --global_mut_count; if (global_mut_count == 0) { global_mut_owner = -1; if (os::Solaris::mutex_unlock(&global_mut)) fatal(err_msg("ThreadCritical::~ThreadCritical: mutex_unlock failed " "(%s)", strerror(errno))); } } else { assert (Threads::number_of_threads() == 0, "valid only during initialization"); } } void ThreadCritical::initialize() { // This method is called at the end of os::init(). Until // then, we don't do real locking. initialized = true; } void ThreadCritical::release() { }