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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /SPARTAN/trunk/src/time/clock.c @ 14

  → /SPARTAN/trunk/src/time/clock.c @ 15

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 14 → Rev 15

/SPARTAN/trunk/src/time/clock.c
57,8 → 57,8
* To avoid lock ordering problems,
* run all expired timeouts as you visit them.
*/
spinlock_lock(&the->cpu->timeoutlock);
while ((l = the->cpu->timeout_active_head.next) != &the->cpu->timeout_active_head) {
spinlock_lock(&CPU->timeoutlock);
while ((l = CPU->timeout_active_head.next) != &CPU->timeout_active_head) {
h = list_get_instance(l, timeout_t, link);
spinlock_lock(&h->lock);
if (h->ticks-- != 0) {
70,30 → 70,30
arg = h->arg;
timeout_reinitialize(h);
spinlock_unlock(&h->lock);
spinlock_unlock(&the->cpu->timeoutlock);
spinlock_unlock(&CPU->timeoutlock);
f(arg);
spinlock_lock(&the->cpu->timeoutlock);
spinlock_lock(&CPU->timeoutlock);
}
spinlock_unlock(&the->cpu->timeoutlock);
spinlock_unlock(&CPU->timeoutlock);
/*
* Do CPU usage accounting and find out whether to preempt the->thread.
* Do CPU usage accounting and find out whether to preempt THREAD.
*/
if (the->thread) {
spinlock_lock(&the->cpu->lock);
the->cpu->needs_relink++;
spinlock_unlock(&the->cpu->lock);
if (THREAD) {
spinlock_lock(&CPU->lock);
CPU->needs_relink++;
spinlock_unlock(&CPU->lock);
spinlock_lock(&the->thread->lock);
if (!the->thread->ticks--) {
spinlock_unlock(&the->thread->lock);
spinlock_lock(&THREAD->lock);
if (!THREAD->ticks--) {
spinlock_unlock(&THREAD->lock);
scheduler();
}
else {
spinlock_unlock(&the->thread->lock);
spinlock_unlock(&THREAD->lock);
}
}