osfmk/kern/stack.c

39 #include <kern/thread.h>
84 STACK_ZINFO_PALLOC(thread_t thread)
89 	ledger_credit(thread->t_ledger, task_ledgers.tkm_private, kernel_stack_size);
92 	    (task = thread->task) != NULL && (zinfo = task->tkm_zinfo) != NULL)
98 STACK_ZINFO_PFREE(thread_t thread)
103 	ledger_debit(thread->t_ledger, task_ledgers.tkm_private, kernel_stack_size);
106 	    (task = thread->task) != NULL && (zinfo = task->tkm_zinfo) != NULL)
185  *	Allocate a stack for a thread, may
241 	thread_t	thread)
244 	assert(thread->kernel_stack == 0);
245 	machine_stack_attach(thread, stack_alloc_internal());
246 	STACK_ZINFO_PALLOC(thread);
260  *	Detach and free the stack for a thread.
264 	thread_t	thread)
266     vm_offset_t		stack = machine_stack_detach(thread);
269 	if (stack != thread->reserved_stack) {
270 		STACK_ZINFO_PFREE(thread);
277 	thread_t	thread)
279 	if (thread->reserved_stack != thread->kernel_stack) {
280 		stack_free_stack(thread->reserved_stack);
281 		STACK_ZINFO_PFREE(thread);
315  *	stack for a thread.
323 	thread_t		thread)
331 		STACK_ZINFO_PALLOC(thread);
340 				STACK_ZINFO_PALLOC(thread);
349 	if (stack != 0 || (stack = thread->reserved_stack) != 0) {
350 		machine_stack_attach(thread, stack);
492 			thread_t	thread);
496 	__unused thread_t	thread)
521 	register thread_t thread;
561 	for (i = 0, thread = (thread_t)(void *) queue_first(&threads);
562 					!queue_end(&threads, (queue_entry_t) thread);
563 					thread = (thread_t)(void *) queue_next(&thread->threads)) {
564 		thread_reference_internal(thread);
565 		thread_list[i++] = thread;
571 	/* calculate maxusage and free thread references */