/*+
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 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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 * or visit www.oracle.com if you need additional information or have any+
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 * questions.+
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 *+
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 */+
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+
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#include "precompiled.hpp"+
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#include "memory/allocation.inline.hpp"+
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#include "runtime/mutexLocker.hpp"+
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#include "runtime/os.inline.hpp"+
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#include "runtime/osThread.hpp"+
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#include "runtime/thread.inline.hpp"+
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#include "runtime/threadCritical.hpp"+
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#include "runtime/timer.hpp"+
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#include "utilities/events.hpp"+
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+
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+
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EventLog* Events::_logs = NULL;+
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StringEventLog* Events::_messages = NULL;+
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StringEventLog* Events::_exceptions = NULL;+
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StringEventLog* Events::_redefinitions = NULL;+
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StringEventLog* Events::_deopt_messages = NULL;+
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+
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EventLog::EventLog() {+
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  // This normally done during bootstrap when we're only single+
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  // threaded but use a ThreadCritical to ensure inclusion in case+
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  // some are created slightly late.+
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  ThreadCritical tc;+
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  _next = Events::_logs;+
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  Events::_logs = this;+
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}+
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+
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// For each registered event logger, print out the current contents of+
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// the buffer.  This is normally called when the JVM is crashing.+
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void Events::print_all(outputStream* out) {+
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  EventLog* log = _logs;+
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  while (log != NULL) {+
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    log->print_log_on(out);+
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    log = log->next();+
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  }+
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}+
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+
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void Events::print() {+
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  print_all(tty);+
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}+
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+
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void Events::init() {+
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  if (LogEvents) {+
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    _messages = new StringEventLog("Events");+
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    _exceptions = new StringEventLog("Internal exceptions");+
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    _redefinitions = new StringEventLog("Classes redefined");+
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    _deopt_messages = new StringEventLog("Deoptimization events");+
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  }+
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}+
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+
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void eventlog_init() {+
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  Events::init();+
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}+
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+
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///////////////////////////////////////////////////////////////////////////+
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// EventMark+
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+
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EventMark::EventMark(const char* format, ...) {+
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  if (LogEvents) {+
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    va_list ap;+
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    va_start(ap, format);+
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    // Save a copy of begin message and log it.+
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    _buffer.printv(format, ap);+
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    Events::log(NULL, "%s", _buffer.buffer());+
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    va_end(ap);+
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  }+
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}+
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+
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EventMark::~EventMark() {+
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  if (LogEvents) {+
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    // Append " done" to the begin message and log it+
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    _buffer.append(" done");+
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    Events::log(NULL, "%s", _buffer.buffer());+
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  }+
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}+
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