void
ipc_task_init(
task_t task,
task_t parent)
{
ipc_space_t space;
ipc_port_t kport;
kern_return_t kr;
int i;
kr = ipc_space_create(&space);
if (kr != KERN_SUCCESS)
panic("ipc_task_init");
kport = ipc_port_alloc_kernel();
if (kport == IP_NULL)
panic("ipc_task_init");
itk_lock_init(task);
task->itk_self = kport;
task->itk_sself = ipc_port_make_send(kport);
task->itk_space = space;
if (parent == TASK_NULL) {
task->itk_exception = IP_NULL;
task->itk_bootstrap = IP_NULL;
for (i = 0; i < TASK_PORT_REGISTER_MAX; i++)
task->itk_registered[i] = IP_NULL;
} else {
itk_lock(parent);
assert(parent->itk_self != IP_NULL);
/* inherit registered ports */
for (i = 0; i < TASK_PORT_REGISTER_MAX; i++)
task->itk_registered[i] =
ipc_port_copy_send(parent->itk_registered[i]);
/* inherit exception and bootstrap ports */
task->itk_exception =
ipc_port_copy_send(parent->itk_exception);
task->itk_bootstrap =
ipc_port_copy_send(parent->itk_bootstrap);
itk_unlock(parent);
}
}
void
ipc_task_init(
task_t task,
task_t parent)
{
ipc_space_t space;
ipc_port_t kport;
ipc_port_t nport;
kern_return_t kr;
int i;
kr = ipc_space_create(&ipc_table_entries[0], &space);
if (kr != KERN_SUCCESS)
panic("ipc_task_init");
space->is_task = task;
kport = ipc_port_alloc_kernel();
if (kport == IP_NULL)
panic("ipc_task_init");
nport = ipc_port_alloc_kernel();
if (nport == IP_NULL)
panic("ipc_task_init");
itk_lock_init(task);
task->itk_self = kport;
task->itk_nself = nport;
task->itk_resume = IP_NULL; /* Lazily allocated on-demand */
task->itk_sself = ipc_port_make_send(kport);
task->itk_debug_control = IP_NULL;
task->itk_space = space;
if (parent == TASK_NULL) {
ipc_port_t port;
for (i = FIRST_EXCEPTION; i < EXC_TYPES_COUNT; i++) {
task->exc_actions[i].port = IP_NULL;
}/* for */
kr = host_get_host_port(host_priv_self(), &port);
assert(kr == KERN_SUCCESS);
task->itk_host = port;
task->itk_bootstrap = IP_NULL;
task->itk_seatbelt = IP_NULL;
task->itk_gssd = IP_NULL;
task->itk_task_access = IP_NULL;
for (i = 0; i < TASK_PORT_REGISTER_MAX; i++)
task->itk_registered[i] = IP_NULL;
} else {
itk_lock(parent);
assert(parent->itk_self != IP_NULL);
/* inherit registered ports */
for (i = 0; i < TASK_PORT_REGISTER_MAX; i++)
task->itk_registered[i] =
ipc_port_copy_send(parent->itk_registered[i]);
/* inherit exception and bootstrap ports */
for (i = FIRST_EXCEPTION; i < EXC_TYPES_COUNT; i++) {
task->exc_actions[i].port =
ipc_port_copy_send(parent->exc_actions[i].port);
task->exc_actions[i].flavor =
parent->exc_actions[i].flavor;
task->exc_actions[i].behavior =
parent->exc_actions[i].behavior;
task->exc_actions[i].privileged =
parent->exc_actions[i].privileged;
}/* for */
task->itk_host =
ipc_port_copy_send(parent->itk_host);
task->itk_bootstrap =
ipc_port_copy_send(parent->itk_bootstrap);
task->itk_seatbelt =
ipc_port_copy_send(parent->itk_seatbelt);
task->itk_gssd =
ipc_port_copy_send(parent->itk_gssd);
task->itk_task_access =
ipc_port_copy_send(parent->itk_task_access);
itk_unlock(parent);
}
}
