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Ignore whitespace Rev 3041 → Rev 3042

/branches/tracing/kernel/generic/src/ipc/ipc.c
37,7 → 37,9
* First the answerbox, then the phone.
*/
 
#include <synch/synch.h>
#include <synch/spinlock.h>
#include <synch/mutex.h>
#include <synch/waitq.h>
#include <synch/synch.h>
#include <ipc/ipc.h>
141,7 → 143,7
*/
void ipc_phone_connect(phone_t *phone, answerbox_t *box)
{
spinlock_lock(&phone->lock);
mutex_lock(&phone->lock);
 
phone->state = IPC_PHONE_CONNECTED;
phone->callee = box;
150,7 → 152,7
list_append(&phone->link, &box->connected_phones);
spinlock_unlock(&box->lock);
 
spinlock_unlock(&phone->lock);
mutex_unlock(&phone->lock);
}
 
/** Initialize a phone structure.
159,7 → 161,7
*/
void ipc_phone_init(phone_t *phone)
{
spinlock_initialize(&phone->lock, "phone_lock");
mutex_initialize(&phone->lock);
phone->callee = NULL;
phone->state = IPC_PHONE_FREE;
atomic_set(&phone->active_calls, 0);
262,9 → 264,9
{
answerbox_t *box;
 
spinlock_lock(&phone->lock);
mutex_lock(&phone->lock);
if (phone->state != IPC_PHONE_CONNECTED) {
spinlock_unlock(&phone->lock);
mutex_unlock(&phone->lock);
if (call->flags & IPC_CALL_FORWARDED) {
IPC_SET_RETVAL(call->data, EFORWARD);
_ipc_answer_free_call(call);
279,7 → 281,7
box = phone->callee;
_ipc_call(phone, box, call);
spinlock_unlock(&phone->lock);
mutex_unlock(&phone->lock);
return 0;
}
 
298,11 → 300,11
answerbox_t *box;
call_t *call;
spinlock_lock(&phone->lock);
mutex_lock(&phone->lock);
if (phone->state == IPC_PHONE_FREE ||
phone->state == IPC_PHONE_HUNGUP ||
phone->state == IPC_PHONE_CONNECTING) {
spinlock_unlock(&phone->lock);
mutex_unlock(&phone->lock);
return -1;
}
box = phone->callee;
321,7 → 323,7
}
 
phone->state = IPC_PHONE_HUNGUP;
spinlock_unlock(&phone->lock);
mutex_unlock(&phone->lock);
 
return 0;
}
447,7 → 449,7
while (!list_empty(&box->connected_phones)) {
phone = list_get_instance(box->connected_phones.next,
phone_t, link);
if (!spinlock_trylock(&phone->lock)) {
if (SYNCH_FAILED(mutex_trylock(&phone->lock))) {
spinlock_unlock(&box->lock);
interrupts_restore(ipl);
DEADLOCK_PROBE(p_phonelck, DEADLOCK_THRESHOLD);
461,7 → 463,7
phone->state = IPC_PHONE_SLAMMED;
 
if (notify_box) {
spinlock_unlock(&phone->lock);
mutex_unlock(&phone->lock);
spinlock_unlock(&box->lock);
interrupts_restore(ipl);
 
482,7 → 484,7
goto restart_phones;
}
 
spinlock_unlock(&phone->lock);
mutex_unlock(&phone->lock);
}
 
spinlock_unlock(&box->lock);
625,7 → 627,10
/* Print opened phones & details */
printf("PHONE:\n");
for (i = 0; i < IPC_MAX_PHONES; i++) {
spinlock_lock(&task->phones[i].lock);
if (SYNCH_FAILED(mutex_trylock(&task->phones[i].lock))) {
printf("%d: mutex busy\n", i);
continue;
}
if (task->phones[i].state != IPC_PHONE_FREE) {
printf("%d: ", i);
switch (task->phones[i].state) {
650,7 → 655,7
printf("active: %d\n",
atomic_get(&task->phones[i].active_calls));
}
spinlock_unlock(&task->phones[i].lock);
mutex_unlock(&task->phones[i].lock);
}
 
 
669,7 → 674,7
}
/* Print answerbox - calls */
printf("ABOX - DISPATCHED CALLS:\n");
for (tmp=task->answerbox.dispatched_calls.next;
for (tmp = task->answerbox.dispatched_calls.next;
tmp != &task->answerbox.dispatched_calls;
tmp = tmp->next) {
call = list_get_instance(tmp, call_t, link);