Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/winpr/libwinpr/nt/nt.c b/winpr/libwinpr/nt/nt.c
new file mode 100644
index 0000000..1806901
--- /dev/null
+++ b/winpr/libwinpr/nt/nt.c
@@ -0,0 +1,69 @@
+/**
+ * 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