FreeRDP/winpr/libwinpr/nt/nt.c

70 lines
1.6 KiB
C

/**
* 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