/**
* Close the interface and free all allocated resources
*
* @param ctn Card terminal number
* @return Status code \ref OK, \ref ERR_INVALID, \ref ERR_CT, \ref ERR_TRANS, \ref ERR_MEMORY, \ref ERR_HOST, \ref ERR_HTSI
*/
signed char CT_close(unsigned short ctn)
{
int rc;
scr_t *ctx;
if (mutex_lock(&globalmutex) != 0) {
return ERR_CT;
}
rc = LookupReader(ctn);
if (rc < 0) {
mutex_unlock(&globalmutex);
return ERR_CT;
}
ctx = readerTable[rc];
if (!ctx) {
mutex_unlock(&globalmutex);
return ERR_CT;
}
if (ctx->t1) {
ccidT1Term(ctx);
}
USB_Close(&ctx->device);
mutex_destroy(&ctx->mutex);
free(ctx);
readerTable[rc] = NULL;
if (mutex_unlock(&globalmutex) != 0) {
return ERR_CT;
}
mutexInitialized--;
if (!mutexInitialized) {
mutex_destroy(&globalmutex);
}
return OK;
}
/**
* Close the interface and free all allocated resources
*
* @param ctn Card terminal number
* @return Status code \ref OK, \ref ERR_INVALID, \ref ERR_CT, \ref ERR_TRANS, \ref ERR_MEMORY, \ref ERR_HOST, \ref ERR_HTSI
*/
signed char CT_close(unsigned short ctn)
{
int rc;
scr_t *ctx;
if (mutex_lock(&mutex) != 0) {
return ERR_MUTEX;
}
rc = LookupReader(ctn);
if (rc < 0) {
mutex_unlock(&mutex);
return ERR_CT;
}
ctx = readerTable[rc];
if (!ctx) {
mutex_unlock(&mutex);
return ERR_CT;
}
if (ctx->t1) {
ccidT1Term(ctx);
}
USB_Close(&ctx->device);
mutex_destroy(&ctx->mutex);
free(ctx);
readerTable[rc] = NULL;
if (mutex_unlock(&mutex) != 0) {
return ERR_MUTEX;
}
if (InterlockedDecrement(&mutex_refcnt) == 0) {
safe_mutex_destroy();
}
return OK;
}
