/**

 * WinPR: Windows Portable Runtime

 * Windows Native System Services

 *

 * Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 * Copyright 2013 Thincast Technologies GmbH

 * Copyright 2013 Norbert Federa <norbert.federa@thincast.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <winpr/assert.h>

#include <winpr/config.h>

#include <winpr/crt.h>

#include <winpr/library.h>

#include <winpr/wlog.h>

#include <winpr/nt.h>

#include <winpr/endian.h>

#include "../log.h"

#define TAG WINPR_TAG("nt")

#ifndef _WIN32

#include <pthread.h>

#include <winpr/crt.h>

#include "../handle/handle.h"

static pthread_once_t sTebOnceControl = PTHREAD_ONCE_INIT;

static pthread_key_t sTebKey;

static void sTebDestruct(void* teb)

{

  free(teb);

}

static void sTebInitOnce(void)

{

  pthread_key_create(&sTebKey, sTebDestruct);

}

PTEB NtCurrentTeb(void)

{

  PTEB teb = NULL;

  if (pthread_once(&sTebOnceControl, sTebInitOnce) == 0)

  {

    if ((teb = pthread_getspecific(sTebKey)) == NULL)

    {

      teb = calloc(1, sizeof(TEB));

      if (teb)

        pthread_setspecific(sTebKey, teb);

    }

  }

  return teb;

}

#endif