1SC_LOCK(3)                   OpenSC API reference                   SC_LOCK(3)
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NAME

6       sc_lock - Lock a card for exclusive use
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SYNOPSIS

9           #include <opensc.h>
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11           int sc_lock(struct sc_card *card);
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DESCRIPTION

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

22       Returns 0 on success, or a negative value in case of error.
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26opensc                            02/16/2010                        SC_LOCK(3)
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