Nucleus
Barry Uninterruptable clone() 960f398 (3 years, 3 months ago)
diff --git a/task/clone.c b/task/clone.c
index f7496c9..2d9b8ea 100644
--- a/task/clone.c
+++ b/task/clone.c
@@ -21,6 +21,8 @@ read_eip(void)
pid_t
clone(int flags)
{
+ asm volatile("cli");
+
Task *parent = current, *child = new(&taskType), *tmp;
pid_t tid = 0;
@@ -28,17 +30,13 @@ clone(int flags)
child->pageDir = clone_dir();
/* Split tasks here */
- uintptr_t esp, ebp, eip;
- eip = (uintptr_t) &&end;
-
- asm volatile("mov %%esp, %0" : "=r" (esp));
- asm volatile("mov %%ebp, %0" : "=r" (ebp));
- child->esp = esp;
- child->ebp = ebp;
- child->eip = eip;
+ child->eip = (uintptr_t) &&end;
+ asm volatile("mov %%esp, %0" : "=r" (child->esp));
+ asm volatile("mov %%ebp, %0" : "=r" (child->ebp));
add_to_queue(readyQueue[child->priority], child);
tid = child->tid;
put(child);
end:
+ asm volatile("sti");
return tid;
}