osfmk/vm/vm_shared_region.c

67  * When the task terminates, we release a reference on its shared region.
121 /* should local (non-chroot) shared regions persist when no task uses them ? */
188  * Retrieve a task's shared region and grab an extra reference to
195 	task_t		task)
201 		 task));
203 	task_lock(task);
205 	shared_region = task->shared_region;
211 	task_unlock(task);
215 		 task, shared_region));
328 	task_t			task,
335 		 task, new_shared_region));
337 	task_lock(task);
340 	old_shared_region = task->shared_region;
345 	task->shared_region = new_shared_region;
348 	task_unlock(task);
357 		 task, old_shared_region, new_shared_region));
1279  * Enter the appropriate shared region into "map" for "task".
1282  * task's VM "map", with the appropriate level of pmap-nesting.
1287 	struct task		*task,
1300 	is_64bit = task_has_64BitAddr(task);
1304 		 "enter(map=%p,task=%p,root=%p,cpu=%d,64bit=%d)\n",
1305 		 map, task, fsroot, cpu, is_64bit));
1313 			 "enter(map=%p,task=%p,root=%p,cpu=%d,64bit=%d): "
1315 			 map, task, fsroot, cpu, is_64bit));
1320 	/* let the task use that shared region */
1321 	vm_shared_region_set(task, shared_region);
1332 	 * Start mapping the shared region's VM sub map into the task's VM map.
1356 				 map, task, fsroot, cpu, is_64bit,
1364 			 map, task, fsroot, cpu, is_64bit,
1401 				 map, task, fsroot, cpu, is_64bit,
1409 			 map, task, fsroot, cpu, is_64bit,
1433 				 map, task, fsroot, cpu, is_64bit,
1441 			 map, task, fsroot, cpu, is_64bit,
1452 		 map, task, fsroot, cpu, is_64bit, kr));
1865  * Enter the appropriate comm page into the task's address space.
1871 	task_t		task)
1881 		 map, task));
1887 	/* select the appropriate comm page for this task */
1888 	assert(! (task_has_64BitAddr(task) ^ vm_map_is_64bit(map)));
1889 	if (task_has_64BitAddr(task)) {
1913 	/* map the comm page in the task's address space */
1935 	/* map the comm text page in the task's address space */
1985 		 map, task, kr));