Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/winpr/libwinpr/handle/nonehandle.c

@@ -0,0 +1,82 @@
+/**
+ * WinPR: Windows Portable Runtime
+ * NoneHandle a.k.a. brathandle should be used where a handle is needed, but
+ * functionality is not implemented yet or not implementable.
+ *
+ * Copyright 2014 DI (FH) Martin Haimberger <martin.haimberger@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/config.h>
+
+#include "nonehandle.h"
+
+#ifndef _WIN32
+
+#include <pthread.h>
+
+static BOOL NoneHandleCloseHandle(HANDLE handle)
+{
+	WINPR_NONE_HANDLE* none = (WINPR_NONE_HANDLE*)handle;
+	free(none);
+	return TRUE;
+}
+
+static BOOL NoneHandleIsHandle(HANDLE handle)
+{
+	return WINPR_HANDLE_IS_HANDLED(handle, HANDLE_TYPE_NONE, FALSE);
+}
+
+static int NoneHandleGetFd(HANDLE handle)
+{
+	if (!NoneHandleIsHandle(handle))
+		return -1;
+
+	return -1;
+}
+
+static HANDLE_OPS ops = { NoneHandleIsHandle,
+	                      NoneHandleCloseHandle,
+	                      NoneHandleGetFd,
+	                      nullptr, /* CleanupHandle */
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr,
+	                      nullptr };
+
+HANDLE CreateNoneHandle(void)
+{
+	WINPR_NONE_HANDLE* none = (WINPR_NONE_HANDLE*)calloc(1, sizeof(WINPR_NONE_HANDLE));
+
+	if (!none)
+		return nullptr;
+
+	none->common.ops = &ops;
+	return (HANDLE)none;
+}
+
+#endif