rust/tests/run-make/atomic-lock-free/atomic_lock_free.rs
David Wood 322cc31504
tests: {Meta,Pointee}Sized in non-minicore tests
As before, add `MetaSized` and `PointeeSized` traits to all of the
non-minicore `no_core` tests so that they don't fail for lack of
language items.
2025-06-16 23:04:33 +00:00

86 lines
2.4 KiB
Rust

#![feature(no_core, intrinsics, lang_items)]
#![feature(adt_const_params)]
#![crate_type = "rlib"]
#![no_core]
pub enum AtomicOrdering {
// These values must match the compiler's `AtomicOrdering` defined in
// `rustc_middle/src/ty/consts/int.rs`!
Relaxed = 0,
Release = 1,
Acquire = 2,
AcqRel = 3,
SeqCst = 4,
}
#[rustc_intrinsic]
unsafe fn atomic_xadd<T, const ORD: AtomicOrdering>(dst: *mut T, src: T) -> T;
#[lang = "pointee_sized"]
pub trait PointeeSized {}
#[lang = "meta_sized"]
pub trait MetaSized: PointeeSized {}
#[lang = "sized"]
pub trait Sized: MetaSized {}
#[lang = "copy"]
trait Copy {}
#[lang = "freeze"]
trait Freeze {}
#[lang = "const_param_ty"]
pub trait ConstParamTy {}
impl<T: ?Sized> Copy for *mut T {}
impl ConstParamTy for AtomicOrdering {}
#[cfg(target_has_atomic = "8")]
pub unsafe fn atomic_u8(x: *mut u8) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "8")]
pub unsafe fn atomic_i8(x: *mut i8) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "16")]
pub unsafe fn atomic_u16(x: *mut u16) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "16")]
pub unsafe fn atomic_i16(x: *mut i16) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "32")]
pub unsafe fn atomic_u32(x: *mut u32) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "32")]
pub unsafe fn atomic_i32(x: *mut i32) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "64")]
pub unsafe fn atomic_u64(x: *mut u64) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "64")]
pub unsafe fn atomic_i64(x: *mut i64) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "128")]
pub unsafe fn atomic_u128(x: *mut u128) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "128")]
pub unsafe fn atomic_i128(x: *mut i128) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "ptr")]
pub unsafe fn atomic_usize(x: *mut usize) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}
#[cfg(target_has_atomic = "ptr")]
pub unsafe fn atomic_isize(x: *mut isize) {
atomic_xadd::<_, { AtomicOrdering::SeqCst }>(x, 1);
}