Rechercher une page de manuel
copy_from_user
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
copy_from_user - Copy a block of data from user space.SYNOPSIS
- unsigned long copy_from_user(void * to, const void __user * from, unsigned long n);
ARGUMENTS
to
- Destination address, in kernel space.
from
- Source address, in user space.
n
- Number of bytes to copy.
CONTEXT
User context only. This function may sleep.
DESCRIPTION
Copy data from user space to kernel space.
Returns number of bytes that could not be copied. On success, this will be zero.
If some data could not be copied, this function will pad the copied data to the requested size using zero bytes.
COPYRIGHT
Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre