alloc_chrdev_region

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

alloc_chrdev_region - register a range of char device numbers

SYNOPSIS

int alloc_chrdev_region(dev_t * dev, unsigned baseminor, unsigned count, const char * name);

ARGUMENTS

dev

output parameter for first assigned number

baseminor

first of the requested range of minor numbers

count

the number of minor numbers required

name

the name of the associated device or driver

DESCRIPTION

Allocates a range of char device numbers. The major number will be chosen dynamically, and returned (along with the first minor number) in dev. Returns zero or a negative error code.