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 ? */
184  * Retrieve a task's shared region and grab an extra reference to
191 	task_t		task)
197 		 task));
199 	task_lock(task);
201 	shared_region = task->shared_region;
207 	task_unlock(task);
211 		 task, shared_region));
291 	task_t			task,
298 		 task, new_shared_region));
300 	task_lock(task);
303 	old_shared_region = task->shared_region;
308 	task->shared_region = new_shared_region;
311 	task_unlock(task);
320 		 task, old_shared_region, new_shared_region));
1200  * Enter the appropriate shared region into "map" for "task".
1203  * task's VM "map", with the appropriate level of pmap-nesting.
1208 	struct task		*task,
1221 	is_64bit = task_has_64BitAddr(task);
1225 		 "enter(map=%p,task=%p,root=%p,cpu=%d,64bit=%d)\n",
1226 		 map, task, fsroot, cpu, is_64bit));
1234 			 "enter(map=%p,task=%p,root=%p,cpu=%d,64bit=%d): "
1236 			 map, task, fsroot, cpu, is_64bit));
1241 	/* let the task use that shared region */
1242 	vm_shared_region_set(task, shared_region);
1253 	 * Start mapping the shared region's VM sub map into the task's VM map.
1277 				 map, task, fsroot, cpu, is_64bit,
1285 			 map, task, fsroot, cpu, is_64bit,
1322 				 map, task, fsroot, cpu, is_64bit,
1330 			 map, task, fsroot, cpu, is_64bit,
1354 				 map, task, fsroot, cpu, is_64bit,
1362 			 map, task, fsroot, cpu, is_64bit,
1373 		 map, task, fsroot, cpu, is_64bit, kr));
1779  * Enter the appropriate comm page into the task's address space.
1785 	task_t		task)
1795 		 map, task));
1801 	/* select the appropriate comm page for this task */
1802 	assert(! (task_has_64BitAddr(task) ^ vm_map_is_64bit(map)));
1803 	if (task_has_64BitAddr(task)) {
1827 	/* map the comm page in the task's address space */
1849 	/* map the comm text page in the task's address space */
1899 		 map, task, kr));