kernel: make_process_ready may be called with sleep_lock already acquired?
This commit is contained in:
parent
25602ba019
commit
bf6d5f765d
|
@ -648,7 +648,8 @@ void process_delete(process_t * proc) {
|
|||
*/
|
||||
void make_process_ready(volatile process_t * proc) {
|
||||
if (proc->sleep_node.owner != NULL) {
|
||||
spin_lock(sleep_lock);
|
||||
int sleep_lock_is_mine = sleep_lock.owner == (this_core->cpu_id = 1);
|
||||
if (!sleep_lock_is_mine) spin_lock(sleep_lock);
|
||||
if (proc->sleep_node.owner == sleep_queue) {
|
||||
/* The sleep queue is slightly special... */
|
||||
if (proc->timed_sleep_node) {
|
||||
|
@ -656,13 +657,12 @@ void make_process_ready(volatile process_t * proc) {
|
|||
proc->sleep_node.owner = NULL;
|
||||
free(proc->timed_sleep_node->value);
|
||||
}
|
||||
spin_unlock(sleep_lock);
|
||||
} else {
|
||||
/* This was blocked on a semaphore we can interrupt. */
|
||||
__sync_or_and_fetch(&proc->flags, PROC_FLAG_SLEEP_INT);
|
||||
list_delete((list_t*)proc->sleep_node.owner, (node_t*)&proc->sleep_node);
|
||||
spin_unlock(sleep_lock);
|
||||
}
|
||||
if (!sleep_lock_is_mine) spin_unlock(sleep_lock);
|
||||
}
|
||||
|
||||
spin_lock(process_queue_lock);
|
||||
|
|
Loading…
Reference in New Issue