| 291,8 → 291,6 |
|---|
| * |
| * @param id Task ID of the accepting task. |
| * @param base Base address of the source address space area. |
| * @param size Size of the source address space area. |
| * @param flags Flags of the source address space area. |
| * |
| * @return 0 on success or ENOENT if there is no such task or |
| * if there is no such address space area, |
| 300,7 → 298,7 |
|---|
| * ENOMEM if there was a problem in allocating destination |
| * address space area. |
| */ |
| int as_area_send(task_id_t id, __address base, size_t size, int flags) |
| int as_area_send(task_id_t id, __address base) |
| { |
| ipl_t ipl; |
| task_t *t; |
| 307,6 → 305,9 |
|---|
| count_t i; |
| as_t *as; |
| __address dst_base; |
| int flags; |
| size_t size; |
| as_area_t *area; |
| |
| ipl = interrupts_disable(); |
| spinlock_lock(&tasks_lock); |
| 333,6 → 334,22 |
|---|
| interrupts_restore(ipl); |
| return EPERM; |
| } |
| |
| spinlock_lock(&AS->lock); |
| area = find_area_and_lock(AS, base); |
| if (!area) { |
| /* |
| * Could not find the source address space area. |
| */ |
| spinlock_unlock(&t->lock); |
| spinlock_unlock(&AS->lock); |
| interrupts_restore(ipl); |
| return ENOENT; |
| } |
| size = area->pages * PAGE_SIZE; |
| flags = area->flags; |
| spinlock_unlock(&area->lock); |
| spinlock_unlock(&AS->lock); |
| |
| if ((t->accept_arg.task_id != TASK->taskid) || (t->accept_arg.size != size) || |
| (t->accept_arg.flags != flags)) { |
| 879,5 → 896,5 |
|---|
| return (__native) EPERM; |
| } |
| |
| return (__native) as_area_send(arg.task_id, (__address) arg.base, arg.size, arg.flags); |
| return (__native) as_area_send(arg.task_id, (__address) arg.base); |
| } |