Trait corundum::PSafe [−][src]
pub unsafe auto trait PSafe { }
It marks the implementing type to be free of pointers to the volatile heap, and persistence safe.
Also, every type that allows interior mutability is not safe in persistence terms, because there might be no log of the value. Atomic types are persistence safe, even though they provide interior mutability.
Limitation
Function pointers are not completely prevented. Due to Rust’s limitation on declaring generic pointers to functions without exact number of arguments, we manually limit all pointers to functions with up to 32 arguments. Function pointers with a number of arguments beyond 32 are inevitably allowed.
Implementations on Foreign Types
impl PSafe for isize
impl<T> PSafe for [T] where
T: PSafe,
T: PSafe,
impl PSafe for [u8]
impl PSafe for char
impl PSafe for u128
impl PSafe for u16
impl PSafe for i128
impl PSafe for i16
impl PSafe for str
impl PSafe for f64
impl PSafe for u64
impl PSafe for u8
impl PSafe for i64
impl PSafe for i8
impl<T, const N: usize> PSafe for [T; N] where
T: PSafe,
T: PSafe,
impl PSafe for bool
impl PSafe for f32
impl PSafe for u32
impl PSafe for usize
impl PSafe for i32
impl<T: ?Sized> !PSafe for *const T
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impl<T: ?Sized> !PSafe for *mut T
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impl<T> !PSafe for &T
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impl<T> !PSafe for &mut T
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impl !PSafe for File
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impl<R> !PSafe for fn() -> R
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impl<A1, R> !PSafe for fn(_: A1) -> R
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impl<A1, A2, R> !PSafe for fn(_: A1, _: A2) -> R
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impl<A1, A2, A3, R> !PSafe for fn(_: A1, _: A2, _: A3) -> R
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impl<A1, A2, A3, A4, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4) -> R
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impl<A1, A2, A3, A4, A5, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5) -> R
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impl<A1, A2, A3, A4, A5, A6, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25, _: A26) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25, _: A26, _: A27) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25, _: A26, _: A27, _: A28) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25, _: A26, _: A27, _: A28, _: A29) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25, _: A26, _: A27, _: A28, _: A29, _: A30) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25, _: A26, _: A27, _: A28, _: A29, _: A30, _: A31) -> R
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impl<A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, A16, A17, A18, A19, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, R> !PSafe for fn(_: A1, _: A2, _: A3, _: A4, _: A5, _: A6, _: A7, _: A8, _: A9, _: A10, _: A11, _: A12, _: A13, _: A14, _: A15, _: A16, _: A17, _: A18, _: A19, _: A20, _: A21, _: A22, _: A23, _: A24, _: A25, _: A26, _: A27, _: A28, _: A29, _: A30, _: A31, _: A32) -> R
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impl<T: ?Sized> !PSafe for UnsafeCell<T>
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UnsafeCell
is marked as PSafe because it exposes interior mutability
without taking a log, which is unsafe from persistence perspective.
Implementors
impl<A: MemPool> !PSafe for Journal<A>
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impl<A: MemPool, T: PSafe + ?Sized> PSafe for Ptr<T, A>
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The allocator does not need to implement PSafe
impl<A: MemPool, T: PSafe> PSafe for Ptr<[T], A>
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impl<T, A: MemPool> !PSafe for RootCell<'_, T, A>
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impl<T, A: MemPool> PSafe for PMutex<T, A>
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impl<T: PSafe + ?Sized, A: MemPool> PSafe for PCell<T, A>
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impl<T: PSafe + ?Sized, A: MemPool> PSafe for PRefCell<T, A>
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impl<T: PSafe + ?Sized, A: MemPool> PSafe for ParcInner<T, A>
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impl<T: PSafe, A: MemPool> PSafe for Slice<T, A>
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impl<T: PSafe, A: MemPool> PSafe for Vec<T, A>
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impl<T: Default + VSafe + ?Sized, A: MemPool> PSafe for TCell<T, A>
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Safe to be stored in persistent memory
impl<T: Default + VSafe + ?Sized, A: MemPool> PSafe for VCell<T, A>
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impl<T: ?Sized, A: MemPool> PSafe for PrcBox<T, A>
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impl<T: ?Sized, A: MemPool> PSafe for corundum::prc::VWeak<T, A>
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impl<T: ?Sized, A: MemPool> PSafe for corundum::sync::VWeak<T, A>
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Auto implementors
impl !PSafe for Chaperon
impl !PSafe for SpinLock
impl PSafe for LogEnum
impl PSafe for Heap
impl PSafe for BuddyAlloc
impl<'a, T> !PSafe for IterHelper<'a, T>
impl<'a, T, A> !PSafe for MutexGuard<'a, T, A>
impl<'b, T, A> !PSafe for Ref<'b, T, A>
impl<'b, T, A> !PSafe for RefMut<'b, T, A>
impl<A> !PSafe for Measure<A>
impl<A> PSafe for Notifier<A>
impl<A> PSafe for BuddyAlg<A> where
A: PSafe,
A: PSafe,
impl<A> PSafe for corundum::stm::pspd::Scratchpad<A>
impl<A> PSafe for Log<A>
impl<A> PSafe for corundum::stm::vspd::Scratchpad<A>
impl<A> PSafe for String<A>
impl<T> !PSafe for NonNull<T>
impl<T> !PSafe for IntoIteratorHelper<T>
impl<T> PSafe for AssertTxInSafe<T> where
T: PSafe,
T: PSafe,
impl<T, A> !PSafe for LogNonNull<T, A>
impl<T, A> PSafe for Zones<T, A> where
A: PSafe,
T: PSafe,
A: PSafe,
T: PSafe,
impl<T, F = fn() -> T> !PSafe for LazyCell<T, F>
impl<T, const N: usize> PSafe for Ring<T, N> where
T: PSafe,
T: PSafe,