| use super::unsupported; |
| use crate::ffi::CStr; |
| use crate::io; |
| use crate::num::NonZeroUsize; |
| use crate::time::Duration; |
| |
| pub struct Thread(!); |
| |
| pub const DEFAULT_MIN_STACK_SIZE: usize = 4096; |
| |
| impl Thread { |
| // unsafe: see thread::Builder::spawn_unchecked for safety requirements |
| pub unsafe fn new(_stack: usize, _p: Box<dyn FnOnce()>) -> io::Result<Thread> { |
| unsupported() |
| } |
| |
| pub fn yield_now() { |
| // do nothing |
| } |
| |
| pub fn set_name(_name: &CStr) { |
| // nope |
| } |
| |
| pub fn sleep(_dur: Duration) { |
| panic!("can't sleep"); |
| } |
| |
| pub fn join(self) { |
| self.0 |
| } |
| } |
| |
| pub fn available_parallelism() -> io::Result<NonZeroUsize> { |
| unsupported() |
| } |
| |
| pub mod guard { |
| pub type Guard = !; |
| pub unsafe fn current() -> Option<Guard> { |
| None |
| } |
| pub unsafe fn init() -> Option<Guard> { |
| None |
| } |
| } |
