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/** Find call_t * in call table according to callid
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/** Find call_t * in call table according to callid
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 *
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 *
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 * TODO: Some speedup (hash table?)
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 * TODO: Some speedup (hash table?)
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 * @return NULL on not found, otherwise pointer to call structure
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 * @return NULL on not found, otherwise pointer to call structure
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 */
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 */
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call_t * get_call(__native callid)
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call_t * get_call(unative_t callid)
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{
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{
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    link_t *lst;
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    link_t *lst;
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    call_t *call, *result = NULL;
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    call_t *call, *result = NULL;
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    spinlock_lock(&TASK->answerbox.lock);
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    spinlock_lock(&TASK->answerbox.lock);
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    for (lst = TASK->answerbox.dispatched_calls.next;
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    for (lst = TASK->answerbox.dispatched_calls.next;
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         lst != &TASK->answerbox.dispatched_calls; lst = lst->next) {
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         lst != &TASK->answerbox.dispatched_calls; lst = lst->next) {
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        call = list_get_instance(lst, call_t, link);
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        call = list_get_instance(lst, call_t, link);
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        if ((__native)call == callid) {
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        if ((unative_t)call == callid) {
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            result = call;
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            result = call;
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            break;
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            break;
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        }
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        }
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    }
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    }
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    spinlock_unlock(&TASK->answerbox.lock);
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    spinlock_unlock(&TASK->answerbox.lock);