diff options
Diffstat (limited to 'kern/task.c')
| -rw-r--r-- | kern/task.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/kern/task.c b/kern/task.c index 1874af69..735b9e59 100644 --- a/kern/task.c +++ b/kern/task.c @@ -73,7 +73,7 @@ void task_init(void) * Task_create must assign to kernel_task as a side effect, * for other initialization. (:-() */ - (void) task_create(TASK_NULL, FALSE, &kernel_task); + (void) task_create_kernel(TASK_NULL, FALSE, &kernel_task); (void) task_set_name(kernel_task, "gnumach"); vm_map_set_name(kernel_map, kernel_task->name); } @@ -83,6 +83,19 @@ kern_return_t task_create( boolean_t inherit_memory, task_t *child_task) /* OUT */ { + if (parent_task == TASK_NULL) + return KERN_INVALID_TASK; + + return task_create_kernel (parent_task, inherit_memory, + child_task); +} + +kern_return_t +task_create_kernel( + task_t parent_task, + boolean_t inherit_memory, + task_t *child_task) /* OUT */ +{ task_t new_task; processor_set_t pset; #if FAST_TAS @@ -189,14 +202,16 @@ kern_return_t task_create( new_task); else snprintf (new_task->name, sizeof new_task->name, "(%.*s)", - sizeof new_task->name - 3, parent_task->name); + (int) (sizeof new_task->name - 3), parent_task->name); if (new_task_notification != NULL) { task_reference (new_task); task_reference (parent_task); mach_notify_new_task (new_task_notification, convert_task_to_port (new_task), - convert_task_to_port (parent_task)); + parent_task + ? convert_task_to_port (parent_task) + : IP_NULL); } ipc_task_enable(new_task); @@ -1209,7 +1224,8 @@ void consider_task_collect(void) task_collect_max_rate = hz; if (task_collect_allowed && - (sched_tick > (task_collect_last_tick + task_collect_max_rate))) { + (sched_tick > (task_collect_last_tick + + task_collect_max_rate / (hz / 1)))) { task_collect_last_tick = sched_tick; task_collect_scan(); } |