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 --- ipc/glue/FileDescriptorUtils.h | 53 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 ipc/glue/FileDescriptorUtils.h (limited to 'ipc/glue/FileDescriptorUtils.h') diff --git a/ipc/glue/FileDescriptorUtils.h b/ipc/glue/FileDescriptorUtils.h new file mode 100644 index 0000000000..e8aab0639e --- /dev/null +++ b/ipc/glue/FileDescriptorUtils.h @@ -0,0 +1,53 @@ +/* -*- 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 mozilla_ipc_FileDescriptorUtils_h +#define mozilla_ipc_FileDescriptorUtils_h + +#include "mozilla/Attributes.h" +#include "mozilla/ipc/FileDescriptor.h" +#include "nsThreadUtils.h" +#include + +namespace mozilla { +namespace ipc { + +// When Dispatch() is called (from main thread) this class arranges to close the +// provided FileDescriptor on one of the socket transport service threads (to +// avoid main thread I/O). +class CloseFileRunnable final : public Runnable { + typedef mozilla::ipc::FileDescriptor FileDescriptor; + + FileDescriptor mFileDescriptor; + + public: + explicit CloseFileRunnable(const FileDescriptor& aFileDescriptor); + + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_NSIRUNNABLE + + void Dispatch(); + + private: + ~CloseFileRunnable(); + + void CloseFile(); +}; + +// On failure, FileDescriptorToFILE returns nullptr; on success, +// returns duplicated FILE*. +// This is meant for use with FileDescriptors received over IPC. +FILE* FileDescriptorToFILE(const FileDescriptor& aDesc, const char* aOpenMode); + +// FILEToFileDescriptor does not consume the given FILE*; it must be +// fclose()d as normal, and this does not invalidate the returned +// FileDescriptor. +FileDescriptor FILEToFileDescriptor(FILE* aStream); + +} // namespace ipc +} // namespace mozilla + +#endif // mozilla_ipc_FileDescriptorUtils_h -- cgit v1.2.3