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Applying for a Queue

Prepare the memory for the struct wd_queue queue, which can be set using a local variable. Pay attention to the restrictions on the local variable and memory clearing.

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struct wcrypto_paras *priv;
struct wd_queue q;

q = calloc(1, sizeof(struct wd_queue));
memset(&q, 0, sizeof(q));
q.capa.alg = WD_ZLIB;
q->capa.latency = 0;
q->capa.throughput = 0;
priv = &q->capa.priv;
priv->direction = comp_optype;
wd_request_queue(&q);