Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 3491 → Rev 3492

/branches/sparc/kernel/generic/src/proc/thread.c
180,6 → 180,10
return -1;
}
 
#ifdef CONFIG_UDEBUG
mutex_initialize(&t->udebug.lock, MUTEX_PASSIVE);
#endif
 
return 0;
}
 
347,6 → 351,11
avltree_node_initialize(&t->threads_tree_node);
t->threads_tree_node.key = (uintptr_t) t;
 
#ifdef CONFIG_UDEBUG
/* Init debugging stuff */
udebug_thread_initialize(&t->udebug);
#endif
 
/* might depend on previous initialization */
thread_create_arch(t);
 
409,12 → 418,17
ipl_t ipl;
 
/*
* Attach to the current task.
* Attach to the specified task.
*/
ipl = interrupts_disable();
spinlock_lock(&task->lock);
 
atomic_inc(&task->refcount);
atomic_inc(&task->lifecount);
 
/* Must not count kbox thread into lifecount */
if (t->flags & THREAD_FLAG_USPACE)
atomic_inc(&task->lifecount);
 
list_append(&t->th_link, &task->th_head);
spinlock_unlock(&task->lock);
 
437,14 → 451,19
{
ipl_t ipl;
 
if (atomic_predec(&TASK->lifecount) == 0) {
/*
* We are the last thread in the task that still has not exited.
* With the exception of the moment the task was created, new
* threads can only be created by threads of the same task.
* We are safe to perform cleanup.
*/
if (THREAD->flags & THREAD_FLAG_USPACE) {
if (THREAD->flags & THREAD_FLAG_USPACE) {
#ifdef CONFIG_UDEBUG
/* Generate udebug THREAD_E event */
udebug_thread_e_event();
#endif
if (atomic_predec(&TASK->lifecount) == 0) {
/*
* We are the last userspace thread in the task that
* still has not exited. With the exception of the
* moment the task was created, new userspace threads
* can only be created by threads of the same task.
* We are safe to perform cleanup.
*/
ipc_cleanup();
futex_cleanup();
LOG("Cleanup of task %" PRIu64" completed.", TASK->taskid);
741,6 → 760,11
thread_attach(t, TASK);
thread_ready(t);
 
#ifdef CONFIG_UDEBUG
/* Generate udebug THREAD_B event */
udebug_thread_b_event(t);
#endif
 
return 0;
} else
free(kernel_uarg);