static void
release_resource (CcnetProcessor *processor)
{
release_thread (processor);
CCNET_PROCESSOR_CLASS(seafile_recvblock_v2_proc_parent_class)->release_resource (processor);
}
void release(struct task_struct * p)
{
int i;
if (!p)
return;
if (p == current) {
printk("task releasing itself\n");
return;
}
for (i=1 ; i<NR_TASKS ; i++)
if (task[i] == p) {
nr_tasks--;
task[i] = NULL;
REMOVE_LINKS(p);
release_thread(p);
if (STACK_MAGIC != *(unsigned long *)p->kernel_stack_page)
printk(KERN_ALERT "release: %s kernel stack corruption. Aiee\n", p->comm);
free_kernel_stack(p->kernel_stack_page);
current->cmin_flt += p->min_flt + p->cmin_flt;
current->cmaj_flt += p->maj_flt + p->cmaj_flt;
current->cnswap += p->nswap + p->cnswap;
kfree(p);
return;
}
panic("trying to release non-existent task");
}
/*
* Will release a thread if needed, otherwise will just increment
* the semaphore's value
*
* @Param - Pointer to the semaphore that is being signaled
*/
void mysem_signal(Semaphore* sem){
DISABLE_INTERRUPTS();
sem->value++;
if(sem->value <= 0){
mythread_unblock(release_thread(sem));
mysem_printQueue(sem);
}
ENABLE_INTERRUPTS();
}
static NIL_type flush_thread(NIL_type)
{ THR_type next_thread,
thread;
for (thread = Thread_Current;
!is_NUL(thread);
thread = next_thread)
{ next_thread = thread->thr;
release_thread(thread); }
Thread_Current = Main_Empty_Thread; }
static void
release_resource (CcnetProcessor *processor)
{
SeafileGetblockV2Proc *proc = (SeafileGetblockV2Proc *)processor;
release_thread (processor);
descruct_bitfield (&proc->block_bitmap, &proc->active, proc->tx_task);
CCNET_PROCESSOR_CLASS(seafile_getblock_v2_proc_parent_class)->release_resource (processor);
}
THR_type Thread_Poke(NBR_type Thread_id,
EXP_type Call_status,
UNS_type Size)
{ THR_type thread;
thread = Thread_Current->thr;
release_thread(Thread_Current);
Thread_Current = acquire_thread(Size,
Thread_id,
thread,
Call_status);
return Thread_Current; }
static void release_task(struct task_struct * p)
{
if (p != current) {
#ifdef CONFIG_SMP
/*
* Wait to make sure the process isn't on the
* runqueue (active on some other CPU still)
*/
for (;;) {
task_lock(p);
if (!task_has_cpu(p))
break;
task_unlock(p);
do {
cpu_relax();
barrier();
} while (task_has_cpu(p));
}
task_unlock(p);
#endif
atomic_dec(&p->user->processes);
security_task_free(p);
free_uid(p->user);
unhash_process(p);
release_thread(p);
current->cmin_flt += p->min_flt + p->cmin_flt;
current->cmaj_flt += p->maj_flt + p->cmaj_flt;
current->cnswap += p->nswap + p->cnswap;
/*
* Potentially available timeslices are retrieved
* here - this way the parent does not get penalized
* for creating too many processes.
*
* (this cannot be used to artificially 'generate'
* timeslices, because any timeslice recovered here
* was given away by the parent in the first place.)
*/
current->counter += p->counter;
if (current->counter >= MAX_COUNTER)
current->counter = MAX_COUNTER;
p->pid = 0;
free_task_struct(p);
} else {
printk("task releasing itself\n");
}
}
static void release_task(struct task_struct * p)
{
if (p == current)
BUG();
#ifdef CONFIG_SMP
wait_task_inactive(p);
#endif
atomic_dec(&p->user->processes);
free_uid(p->user);
unhash_process(p);
release_thread(p);
current->cmin_flt += p->min_flt + p->cmin_flt;
current->cmaj_flt += p->maj_flt + p->cmaj_flt;
current->cnswap += p->nswap + p->cnswap;
sched_exit(p);
p->pid = 0;
free_task_struct(p);
}
void release(struct task_struct * p)
{
if (p != current) {
#ifdef __SMP__
/*
* Wait to make sure the process isn't active on any
* other CPU
*/
for (;;) {
int has_cpu;
spin_lock_irq(&runqueue_lock);
has_cpu = p->has_cpu;
spin_unlock_irq(&runqueue_lock);
if (!has_cpu)
break;
do {
barrier();
} while (p->has_cpu);
}
#endif
free_uid(p);
add_free_taskslot(p->tarray_ptr);
write_lock_irq(&tasklist_lock);
nr_tasks--;
unhash_pid(p);
REMOVE_LINKS(p);
write_unlock_irq(&tasklist_lock);
release_thread(p);
current->cmin_flt += p->min_flt + p->cmin_flt;
current->cmaj_flt += p->maj_flt + p->cmaj_flt;
current->cnswap += p->nswap + p->cnswap;
free_task_struct(p);
} else {
printk("task releasing itself\n");
}
}
NIL_type Thread_Zap(NIL_type)
{ THR_type thread;
thread = Thread_Current;
Thread_Current = thread->thr;
release_thread(thread); }
