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use core::prelude::v1::*;
use core::marker::PhantomData;
struct DisableInterrupts(PhantomData<()>);
#[inline(always)]
pub fn without_interrupts<F, T>(f: F) -> T
where F: FnOnce() -> T
{
let _disabled = DisableInterrupts::new();
f()
}
impl DisableInterrupts {
#[inline(always)]
pub fn new() -> DisableInterrupts {
unsafe { llvm_asm!("CLI") }
DisableInterrupts(PhantomData)
}
}
impl Drop for DisableInterrupts {
#[inline(always)]
fn drop(&mut self) {
unsafe { llvm_asm!("SEI") }
}
}