Expand Up
@@ -437,6 +437,13 @@ _Py_InitializeRecursionLimits(PyThreadState *tstate)
SetThreadStackGuarantee(&guarantee);
_tstate->c_stack_hard_limit = ((uintptr_t)low) + guarantee + _PyOS_STACK_MARGIN_BYTES;
_tstate->c_stack_soft_limit = _tstate->c_stack_hard_limit + _PyOS_STACK_MARGIN_BYTES;
#elif defined(__APPLE__)
pthread_t this_thread = pthread_self();
void *stack_addr = pthread_get_stackaddr_np(this_thread); // top of the stack
size_t stack_size = pthread_get_stacksize_np(this_thread);
_tstate->c_stack_top = (uintptr_t)stack_addr;
_tstate->c_stack_hard_limit = _tstate->c_stack_top - stack_size;
_tstate->c_stack_soft_limit = _tstate->c_stack_hard_limit + _PyOS_STACK_MARGIN_BYTES;
#else
uintptr_t here_addr = _Py_get_machine_stack_pointer();
/// XXX musl supports HAVE_PTHRED_GETATTR_NP, but the resulting stack size
Expand Down