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Rev 3425 Rev 4692
Line 158... Line 158...
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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);
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    return result;
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    return result;
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}
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}
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/** Allocate new phone slot in the current TASK structure.
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/** Allocate new phone slot in the specified task.
-
 
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 *
-
 
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 * @param t     Task for which to allocate a new phone.
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 *
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 *
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 * @return      New phone handle or -1 if the phone handle limit is
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 * @return      New phone handle or -1 if the phone handle limit is
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 *          exceeded.
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 *          exceeded.
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 */
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 */
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int phone_alloc(void)
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int phone_alloc(task_t *t)
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{
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{
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    int i;
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    int i;
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    spinlock_lock(&TASK->lock);
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    spinlock_lock(&t->lock);
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    for (i = 0; i < IPC_MAX_PHONES; i++) {
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    for (i = 0; i < IPC_MAX_PHONES; i++) {
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        if (TASK->phones[i].state == IPC_PHONE_HUNGUP &&
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        if (t->phones[i].state == IPC_PHONE_HUNGUP &&
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            atomic_get(&TASK->phones[i].active_calls) == 0)
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            atomic_get(&t->phones[i].active_calls) == 0)
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            TASK->phones[i].state = IPC_PHONE_FREE;
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            t->phones[i].state = IPC_PHONE_FREE;
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        if (TASK->phones[i].state == IPC_PHONE_FREE) {
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        if (t->phones[i].state == IPC_PHONE_FREE) {
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            TASK->phones[i].state = IPC_PHONE_CONNECTING;
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            t->phones[i].state = IPC_PHONE_CONNECTING;
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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->lock);
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    spinlock_unlock(&t->lock);
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    if (i == IPC_MAX_PHONES)
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    if (i == IPC_MAX_PHONES)
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        return -1;
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        return -1;
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    return i;
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    return i;