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The ioctl system call is a low level I/O system call that allows the developer a fine-grained ability to change certain things about devices. For example, it can let you use asynchronous I/O handling instead of synchronous, blocking or unblocking, etc.
Since this is such a low level command the abilities will vary widely with the Operating System and the actual device. It should only be used by device handling code that knows exactly what the effect will be.
What else can I help you with?
What is an Ioctl in windows programming?
there is no IOCTL in windows programming. You will find device control methods for windows in the following pagehttp://msdn.microsoft.com/en-us/library/aa363219%28VS.85%29.aspx
How do you format or reuse the usb pen drive if an IOCTL error occured?
on the manufacturers site for a recovery tool.
Why you need to add new system calls to kernel of Linux?
Any hardware interaction requires some type of syscall, but most every imaginable interaction is already implemented. Rarely are new syscalls added. The ioctl mechanism is often used to implement a similar type of call without all of the necessary syscall framework.
What is the system for assistant call from the S.A.R organization?
A System call is a mechanism used by an application for requesting a service. What is system calls? In computing, a system call ...
What are the Call of Duty 2 system requirements?
call of duty system requirements
How system call are related with the file system?
The system call is related to the file system because of the program that initializes the access to a file.
Why do kernel process need not to make system call?
when a process or anything makes a system call ,it goes in kernel(operating system).
Who will you call to repair your piping system?
Call a plumber.
What is the difference between system call and trap?
A system call is started with some form of trap-instruction.
What is meant by a system call in operating system?
A "System call" you be a function accessible from a programming language to the base hardware of the computer (eg to get the time).
What do we call the Sun and all that orbits it?
We call it the Solar system.
What do you call the sudy of solar system and the object in it?
you call it astronomy
