/*
 * Copyright (c) 1999, 2025, 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 "memory/allocation.hpp"
#include "runtime/mutex.hpp"
#include "runtime/osThread.hpp"

#include <signal.h>

OSThread::OSThread()
  : _thread_id(0),
    _pthread_id(0),
    _caller_sigmask(),
    sr(),
    _siginfo(nullptr),
    _ucontext(nullptr),
    _expanding_stack(0),
    _alt_sig_stack(nullptr),
    _startThread_lock(new Monitor(Mutex::event, "startThread_lock")) {
  sigemptyset(&_caller_sigmask);
}

OSThread::~OSThread() {
  delete _startThread_lock;
}