WebSVN – HelenOS – Diff – //trunk/kernel/generic/src/ipc/ipc.c



}
 
/** Initialize an answerbox structure.
 *
 * @param box       Answerbox structure to be initialized.
 * @param task      Task to which the answerbox belongs.
 */
void ipc_answerbox_init(answerbox_t *box, task_t *task)
{
    spinlock_initialize(&box->lock, "ipc_box_lock");
    spinlock_initialize(&box->irq_lock, "ipc_box_irqlock");
    waitq_initialize(&box->wq);
    list_initialize(&box->connected_phones);
    list_initialize(&box->calls);
    list_initialize(&box->dispatched_calls);
    list_initialize(&box->answers);
    list_initialize(&box->irq_notifs);
    list_initialize(&box->irq_head);
    box->task = task;
}
 
/** Connect a phone to an answerbox.
 *
 * @param phone     Initialized phone structure.

 */
void ipc_call_sync(phone_t *phone, call_t *request)
{
    answerbox_t sync_box;
 
    ipc_answerbox_init(&sync_box, TASK);
 
    /* We will receive data in a special box. */
    request->callerbox = &sync_box;
 
    ipc_call(phone, request);

Subversion Repositories HelenOS

(root)//trunk/kernel/generic/src/ipc/ipc.c – Rev 2662 → 2802

Rev 2662		Rev 2802
Line 115...		Line 115...
115	}	115	}
116		116
117	/** Initialize an answerbox structure.	117	/** Initialize an answerbox structure.
118	*	118	*
119	* @param box Answerbox structure to be initialized.	119	* @param box Answerbox structure to be initialized.
-		120	* @param task Task to which the answerbox belongs.
120	*/	121	*/
121	void ipc_answerbox_init(answerbox_t *box)	122	void ipc_answerbox_init(answerbox_t box, task_t task)
122	{	123	{
123	spinlock_initialize(&box->lock, "ipc_box_lock");	124	spinlock_initialize(&box->lock, "ipc_box_lock");
124	spinlock_initialize(&box->irq_lock, "ipc_box_irqlock");	125	spinlock_initialize(&box->irq_lock, "ipc_box_irqlock");
125	waitq_initialize(&box->wq);	126	waitq_initialize(&box->wq);
126	list_initialize(&box->connected_phones);	127	list_initialize(&box->connected_phones);
127	list_initialize(&box->calls);	128	list_initialize(&box->calls);
128	list_initialize(&box->dispatched_calls);	129	list_initialize(&box->dispatched_calls);
129	list_initialize(&box->answers);	130	list_initialize(&box->answers);
130	list_initialize(&box->irq_notifs);	131	list_initialize(&box->irq_notifs);
131	list_initialize(&box->irq_head);	132	list_initialize(&box->irq_head);
132	box->task = TASK;	133	box->task = task;
133	}	134	}
134		135
135	/** Connect a phone to an answerbox.	136	/** Connect a phone to an answerbox.
136	*	137	*
137	* @param phone Initialized phone structure.	138	* @param phone Initialized phone structure.
Line 170...		Line 171...
170	*/	171	*/
171	void ipc_call_sync(phone_t phone, call_t request)	172	void ipc_call_sync(phone_t phone, call_t request)
172	{	173	{
173	answerbox_t sync_box;	174	answerbox_t sync_box;
174		175
175	ipc_answerbox_init(&sync_box);	176	ipc_answerbox_init(&sync_box, TASK);
176		177
177	/* We will receive data in a special box. */	178	/* We will receive data in a special box. */
178	request->callerbox = &sync_box;	179	request->callerbox = &sync_box;
179		180
180	ipc_call(phone, request);	181	ipc_call(phone, request);