Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

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

1 files changed, 53 insertions, 0 deletions

diff --git a/xbmc/platform/posix/utils/Mmap.h b/xbmc/platform/posix/utils/Mmap.h
new file mode 100644
index 0000000..2470d60
--- /dev/null
+++ b/xbmc/platform/posix/utils/Mmap.h
@@ -0,0 +1,53 @@
+/*
+ *  Copyright (C) 2017-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include <cstddef>
+
+#include <sys/mman.h>
+
+namespace KODI
+{
+namespace UTILS
+{
+namespace POSIX
+{
+
+/**
+ * Wrapper for mapped memory that automatically calls munmap on destruction
+ */
+class CMmap
+{
+public:
+  /**
+   * See mmap(3p) for parameter description
+   */
+  CMmap(void* addr, std::size_t length, int prot, int flags, int fildes, off_t offset);
+  ~CMmap();
+
+  void* Data() const
+  {
+    return m_memory;
+  }
+  std::size_t Size() const
+  {
+    return m_size;
+  }
+
+private:
+  CMmap(CMmap const& other) = delete;
+  CMmap& operator=(CMmap const& other) = delete;
+
+  std::size_t m_size;
+  void* m_memory;
+};
+
+}
+}
+}