L4Re::Vfs::Special_file Class Reference

Interface for a POSIX file that provides special file semantics. More...

#include <vfs.h>

Inheritance diagram for L4Re::Vfs::Special_file:

Collaboration diagram for L4Re::Vfs::Special_file:

Public Member Functions
virtual int	ioctl (unsigned long cmd, va_list args) noexcept=0
	The famous IO control.

Detailed Description

Interface for a POSIX file that provides special file semantics.

Real objects always use the combined L4Re::Vfs::File interface.

Definition at line 400 of file vfs.h.

Member Function Documentation

ioctl()

virtual int L4Re::Vfs::Special_file::ioctl ( unsigned long  cmd, va_list  args  )

pure virtualnoexcept

The famous IO control.

Backend for POSIX generic object invocation ioctl.

Parameters

cmd	The ioctl command.
args	The arguments for the ioctl, usually some kind of pointer.

Returns

>=0 on success, or <0 on error.

Implemented in L4Re::Vfs::Be_file.

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The documentation for this class was generated from the following file:

• l4/l4re_vfs/vfs.h