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use super::unsupported;
use crate::ffi::CStr;
use crate::io;
use crate::num::NonZero;
use crate::time::{Duration, Instant};
pub struct Thread(!);
pub const DEFAULT_MIN_STACK_SIZE: usize = 64 * 1024;
impl Thread {
// unsafe: see thread::Builder::spawn_unchecked for safety requirements
pub unsafe fn new(
_stack: usize,
_name: Option<&str>,
_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 sleep_until(_deadline: Instant) {
panic!("can't sleep");
}
pub fn join(self) {
self.0
}
}
pub fn available_parallelism() -> io::Result<NonZero<usize>> {
unsupported()
}
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