mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 16:46:26 +00:00
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
|
|
/* 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 "nsIRunnable.h"
|
|
#include <stdio.h>
|
|
|
|
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 MOZ_FINAL : public nsIRunnable
|
|
{
|
|
typedef mozilla::ipc::FileDescriptor FileDescriptor;
|
|
|
|
FileDescriptor mFileDescriptor;
|
|
|
|
public:
|
|
explicit CloseFileRunnable(const FileDescriptor& aFileDescriptor)
|
|
#ifdef DEBUG
|
|
;
|
|
#else
|
|
: mFileDescriptor(aFileDescriptor)
|
|
{ }
|
|
#endif
|
|
|
|
NS_DECL_THREADSAFE_ISUPPORTS
|
|
NS_DECL_NSIRUNNABLE
|
|
|
|
void Dispatch();
|
|
|
|
private:
|
|
~CloseFileRunnable();
|
|
|
|
void CloseFile();
|
|
};
|
|
|
|
// On failure, FileDescriptorToFILE closes the given descriptor; on
|
|
// success, fclose()ing the returned FILE* will close the handle.
|
|
// 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
|