kfifo_init

Langue: en

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

Section: 9 (Appels noyau Linux)

NAME

kfifo_init - allocates a new FIFO using a preallocated buffer

SYNOPSIS

struct kfifo * kfifo_init(unsigned char * buffer, unsigned int size, gfp_t gfp_mask, spinlock_t * lock);

ARGUMENTS

buffer

the preallocated buffer to be used.

size

the size of the internal buffer, this have to be a power of 2.

gfp_mask

get_free_pages mask, passed to kmalloc

lock

the lock to be used to protect the fifo buffer

DESCRIPTION

Do NOT pass the kfifo to kfifo_free after use! Simply free the struct kfifo with kfree.