sc_lock

Langue: en

Autres versions - même langue

Version: 07/16/2007 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

sc_lock - Lock a card for exclusive use

SYNOPSIS


#include <opensc.h>



int sc_lock(struct sc_card *card);

DESCRIPTION

This function locks the card against modification from other threads or processes. The function may be called several times; a counter will be increased, and the card will be unlocked only when this counter reaches zero.

RETURN VALUE

Returns 0 on success, or a negative value in case of error.