diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 36 |
1 files changed, 1 insertions, 35 deletions
@@ -17,7 +17,7 @@ use cortex_m::ctxt::Context; use cortex_m::interrupt::Nr; #[cfg(not(thumbv6m))] use cortex_m::register::{basepri, basepri_max}; -use static_ref::{Ref, RefMut}; +use static_ref::Ref; use typenum::{Cmp, Equal, Unsigned}; #[cfg(not(thumbv6m))] use typenum::{Greater, Less}; @@ -87,18 +87,6 @@ impl<T, CEILING> Resource<T, C<CEILING>> { unsafe { Ref::new(&*self.data.get()) } } - /// Like [Resource.claim](struct.Resource.html#method.claim) but returns a - /// `&mut-` reference - pub fn claim_mut<'task, PRIORITY>( - &'static self, - _priority: &'task mut P<PRIORITY>, - ) -> RefMut<'task, T> - where - CEILING: Cmp<PRIORITY, Output = Equal>, - { - unsafe { RefMut::new(&mut *self.data.get()) } - } - /// Locks the resource for the duration of the critical section `f` /// /// For the duration of the critical section, tasks whose priority level is @@ -124,28 +112,6 @@ impl<T, CEILING> Resource<T, C<CEILING>> { ret } } - - /// Like [Resource.lock](struct.Resource.html#method.lock) but returns a - /// `&mut-` reference - /// - /// This method has additional an additional constraint: you can't borrow a - /// resource that has ceiling equal `CEILING`. This constraint is required - /// to preserve Rust aliasing rules. - #[cfg(not(thumbv6m))] - pub fn lock_mut<R, PRIORITY, F>(&'static self, _priority: &mut P<PRIORITY>, f: F) -> R - where F: FnOnce(RefMut<T>) -> R, - CEILING: Cmp<PRIORITY, Output = Greater> + Cmp<UMAX, Output = Less> + Level - { - unsafe { - let old_basepri = basepri::read(); - basepri_max::write(<CEILING>::hw()); - barrier!(); - let ret = f(RefMut::new(&mut *self.data.get())); - barrier!(); - basepri::write(old_basepri); - ret - } - } } unsafe impl<T, C> Sync for Resource<T, C> |