diff options
Diffstat (limited to 'kern/task.c')
| -rw-r--r-- | kern/task.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/kern/task.c b/kern/task.c index 7dff1249..1874af69 100644 --- a/kern/task.c +++ b/kern/task.c @@ -100,13 +100,24 @@ kern_return_t task_create( new_task->map = kernel_map; } else if (inherit_memory) { new_task->map = vm_map_fork(parent_task->map); - vm_map_set_name(new_task->map, new_task->name); } else { - new_task->map = vm_map_create(pmap_create(0), + pmap_t new_pmap = pmap_create((vm_size_t) 0); + if (new_pmap == PMAP_NULL) + new_task->map = VM_MAP_NULL; + else { + new_task->map = vm_map_create(new_pmap, round_page(VM_MIN_ADDRESS), trunc_page(VM_MAX_ADDRESS)); - vm_map_set_name(new_task->map, new_task->name); + if (new_task->map == VM_MAP_NULL) + pmap_destroy(new_pmap); + } } + if (new_task->map == VM_MAP_NULL) { + kmem_cache_free(&task_cache, (vm_address_t) new_task); + return KERN_RESOURCE_SHORTAGE; + } + if (child_task != &kernel_task) + vm_map_set_name(new_task->map, new_task->name); simple_lock_init(&new_task->lock); queue_init(&new_task->thread_list); |