sc_lock3
Lock a card for exclusive use
Usage
#include <opensc.h> int sc_lock(struct sc_card *card);
Overview
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.
Releases
4 releases since Debian 3.1 (Sarge); the text changed 3 times.