基于Context进行COMP任务操作

struct zip_async_tag {
void *ctx;
void *pool;
int thread_id;
int cnt;
} *tag;
int i = 0;
tag = malloc(sizeof(*tag));
tag->ctx = ctx;
tag->thread_id = thread_id;
tag->cnt = i;
tag->pool = pool;
wcrypto_comp_poll (ctx, &opdata, tag);