From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- xpcom/io/FileDescriptorFile.h | 48 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 xpcom/io/FileDescriptorFile.h (limited to 'xpcom/io/FileDescriptorFile.h') diff --git a/xpcom/io/FileDescriptorFile.h b/xpcom/io/FileDescriptorFile.h new file mode 100644 index 0000000000..1d0fbad2d8 --- /dev/null +++ b/xpcom/io/FileDescriptorFile.h @@ -0,0 +1,48 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _FileDescriptorFile_h +#define _FileDescriptorFile_h + +#include "mozilla/Attributes.h" +#include "mozilla/ipc/FileDescriptor.h" +#include "nsIFile.h" +#include "private/pprio.h" + +namespace mozilla { +namespace net { + +/** + * A limited implementation of nsIFile that wraps a FileDescriptor object + * allowing the file to be read from. Added to allow a child process to use + * an nsIFile object for a file it does not have access to on the filesystem + * but has been provided a FileDescriptor for from the parent. Many nsIFile + * methods are not implemented and this is not intended to be a general + * purpose file implementation. + */ +class FileDescriptorFile final : public nsIFile { + typedef mozilla::ipc::FileDescriptor FileDescriptor; + + public: + FileDescriptorFile(const FileDescriptor& aFD, nsIFile* aFile); + + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIFILE + + private: + ~FileDescriptorFile() = default; + + FileDescriptorFile(const FileDescriptorFile& other); + + // regular nsIFile object, that we forward most calls to. + nsCOMPtr mFile; + FileDescriptor mFD; +}; + +} // namespace net +} // namespace mozilla + +#endif // _FileDescriptorFile_h -- cgit v1.2.3