X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/43c43c058ededea929645fef68d15820eed1f5e9..9209afa5f69cffa48a04c4a9066357d5cba75926:/lunaix-os/kernel/ds/waitq.c diff --git a/lunaix-os/kernel/ds/waitq.c b/lunaix-os/kernel/ds/waitq.c index 7045e36..522974f 100644 --- a/lunaix-os/kernel/ds/waitq.c +++ b/lunaix-os/kernel/ds/waitq.c @@ -1,21 +1,25 @@ #include #include +#include #include void pwait(waitq_t* queue) { + assert(current_thread); // prevent race condition. cpu_disable_interrupt(); - waitq_t* current_wq = &__current->waitqueue; + waitq_t* current_wq = ¤t_thread->waitqueue; assert(llist_empty(¤t_wq->waiters)); llist_append(&queue->waiters, ¤t_wq->waiters); - block_current(); - sched_yieldk(); + block_current_thread(); + sched_pass(); + // In case of SIGINT-forced awaken + llist_delete(¤t_wq->waiters); cpu_enable_interrupt(); } @@ -27,10 +31,10 @@ pwake_one(waitq_t* queue) } waitq_t* wq = list_entry(queue->waiters.next, waitq_t, waiters); - struct proc_info* proc = container_of(wq, struct proc_info, waitqueue); + struct thread* thread = container_of(wq, struct thread, waitqueue); - assert(proc->state == PS_BLOCKED); - proc->state = PS_READY; + assert(thread->state == PS_BLOCKED); + thread->state = PS_READY; llist_delete(&wq->waiters); } @@ -41,14 +45,14 @@ pwake_all(waitq_t* queue) return; } - struct proc_info* proc; + struct thread* thread; waitq_t *pos, *n; llist_for_each(pos, n, &queue->waiters, waiters) { - proc = container_of(pos, struct proc_info, waitqueue); + thread = container_of(pos, struct thread, waitqueue); - assert(proc->state == PS_BLOCKED); - proc->state = PS_READY; + assert(thread->state == PS_BLOCKED); + thread->state = PS_READY; llist_delete(&pos->waiters); } } \ No newline at end of file