Skip to content

Commit

Permalink
Merge #658
Browse files Browse the repository at this point in the history
658: Rename cfg(loom_crossbeam) to cfg(crossbeam_loom) r=jonhoo a=taiki-e

It matches with the convention that *will* be documented in `loom`. See #487 (comment) for more.

r? @jeehoonkang @jonhoo 

Co-authored-by: Taiki Endo <te316e89@gmail.com>
  • Loading branch information
bors[bot] and taiki-e authored Feb 14, 2021
2 parents d6eb687 + a9ff35f commit ae5ca20
Show file tree
Hide file tree
Showing 18 changed files with 42 additions and 42 deletions.
2 changes: 1 addition & 1 deletion ci/crossbeam-epoch-loom.sh
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
cd "$(dirname "$0")"/../crossbeam-epoch
set -ex

export RUSTFLAGS="-D warnings --cfg loom_crossbeam --cfg crossbeam_sanitize"
export RUSTFLAGS="-D warnings --cfg crossbeam_loom --cfg crossbeam_sanitize"

# With MAX_PREEMPTIONS=2 the loom tests (currently) take around 11m.
# If we were to run with =3, they would take several times that,
Expand Down
2 changes: 1 addition & 1 deletion crossbeam-epoch/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ memoffset = "0.6"
#
# This configuration option is outside of the normal semver guarantees: minor
# versions of crossbeam may make breaking changes to it at any time.
[target.'cfg(loom_crossbeam)'.dependencies]
[target.'cfg(crossbeam_loom)'.dependencies]
loom = "0.4"

[dependencies.crossbeam-utils]
Expand Down
8 changes: 4 additions & 4 deletions crossbeam-epoch/src/atomic.rs
Original file line number Diff line number Diff line change
Expand Up @@ -339,7 +339,7 @@ impl<T: ?Sized + Pointable> Atomic<T> {
/// let a = Atomic::<i32>::null();
/// ```
///
#[cfg_attr(all(feature = "nightly", not(loom_crossbeam)), const_fn::const_fn)]
#[cfg_attr(all(feature = "nightly", not(crossbeam_loom)), const_fn::const_fn)]
pub fn null() -> Atomic<T> {
Self {
data: AtomicUsize::new(0),
Expand Down Expand Up @@ -794,14 +794,14 @@ impl<T: ?Sized + Pointable> Atomic<T> {
/// }
/// ```
pub unsafe fn into_owned(self) -> Owned<T> {
#[cfg(loom_crossbeam)]
#[cfg(crossbeam_loom)]
{
// FIXME: loom does not yet support into_inner, so we use unsync_load for now,
// which should have the same synchronization properties:
// https://github.com/tokio-rs/loom/issues/117
Owned::from_usize(self.data.unsync_load())
}
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
{
Owned::from_usize(self.data.into_inner())
}
Expand Down Expand Up @@ -1524,7 +1524,7 @@ impl<T: ?Sized + Pointable> Default for Shared<'_, T> {
}
}

#[cfg(all(test, not(loom_crossbeam)))]
#[cfg(all(test, not(crossbeam_loom)))]
mod tests {
use super::Shared;

Expand Down
4 changes: 2 additions & 2 deletions crossbeam-epoch/src/collector.rs
Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,9 @@
/// ```
use core::fmt;

use crate::primitive::sync::Arc;
use crate::guard::Guard;
use crate::internal::{Global, Local};
use crate::primitive::sync::Arc;

/// An epoch-based garbage collector.
pub struct Collector {
Expand Down Expand Up @@ -109,7 +109,7 @@ impl fmt::Debug for LocalHandle {
}
}

#[cfg(all(test, not(loom_crossbeam)))]
#[cfg(all(test, not(crossbeam_loom)))]
mod tests {
use std::mem;
use std::sync::atomic::{AtomicUsize, Ordering};
Expand Down
4 changes: 2 additions & 2 deletions crossbeam-epoch/src/default.rs
Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,8 @@
//! destructed on thread exit, which in turn unregisters the thread.

use crate::collector::{Collector, LocalHandle};
use crate::primitive::{lazy_static, thread_local};
use crate::guard::Guard;
use crate::primitive::{lazy_static, thread_local};

lazy_static! {
/// The global data for the default garbage collector.
Expand Down Expand Up @@ -45,7 +45,7 @@ where
.unwrap_or_else(|_| f(&COLLECTOR.register()))
}

#[cfg(all(test, not(loom_crossbeam)))]
#[cfg(all(test, not(crossbeam_loom)))]
mod tests {
use crossbeam_utils::thread;

Expand Down
2 changes: 1 addition & 1 deletion crossbeam-epoch/src/deferred.rs
Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,7 @@ impl Deferred {
}
}

#[cfg(all(test, not(loom_crossbeam)))]
#[cfg(all(test, not(crossbeam_loom)))]
mod tests {
use super::Deferred;
use std::cell::Cell;
Expand Down
2 changes: 1 addition & 1 deletion crossbeam-epoch/src/internal.rs
Original file line number Diff line number Diff line change
Expand Up @@ -625,7 +625,7 @@ impl IsElement<Local> for Local {
}
}

#[cfg(all(test, not(loom_crossbeam)))]
#[cfg(all(test, not(crossbeam_loom)))]
mod tests {
use std::sync::atomic::{AtomicUsize, Ordering};

Expand Down
4 changes: 2 additions & 2 deletions crossbeam-epoch/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@

use cfg_if::cfg_if;

#[cfg(loom_crossbeam)]
#[cfg(crossbeam_loom)]
#[allow(unused_imports, dead_code)]
mod primitive {
pub(crate) mod cell {
Expand Down Expand Up @@ -102,7 +102,7 @@ mod primitive {
pub(crate) use loom::lazy_static;
pub(crate) use loom::thread_local;
}
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
#[allow(unused_imports, dead_code)]
mod primitive {
#[cfg(any(feature = "alloc", feature = "std"))]
Expand Down
2 changes: 1 addition & 1 deletion crossbeam-epoch/src/sync/list.rs
Original file line number Diff line number Diff line change
Expand Up @@ -295,7 +295,7 @@ impl<'g, T: 'g, C: IsElement<T>> Iterator for Iter<'g, T, C> {
}
}

#[cfg(all(test, not(loom_crossbeam)))]
#[cfg(all(test, not(crossbeam_loom)))]
mod tests {
use super::*;
use crate::{Collector, Owned};
Expand Down
2 changes: 1 addition & 1 deletion crossbeam-epoch/src/sync/queue.rs
Original file line number Diff line number Diff line change
Expand Up @@ -215,7 +215,7 @@ impl<T> Drop for Queue<T> {
}
}

#[cfg(all(test, not(loom_crossbeam)))]
#[cfg(all(test, not(crossbeam_loom)))]
mod test {
use super::*;
use crate::pin;
Expand Down
2 changes: 1 addition & 1 deletion crossbeam-epoch/tests/loom.rs
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
#![cfg(loom_crossbeam)]
#![cfg(crossbeam_loom)]

use crossbeam_epoch as epoch;

Expand Down
2 changes: 1 addition & 1 deletion crossbeam-utils/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ lazy_static = { version = "1.4.0", optional = true }
#
# This configuration option is outside of the normal semver guarantees: minor
# versions of crossbeam may make breaking changes to it at any time.
[target.'cfg(loom_crossbeam)'.dependencies]
[target.'cfg(crossbeam_loom)'.dependencies]
loom = "0.4"

[build-dependencies]
Expand Down
24 changes: 12 additions & 12 deletions crossbeam-utils/src/atomic/atomic_cell.rs
Original file line number Diff line number Diff line change
Expand Up @@ -8,13 +8,13 @@ use core::fmt;
use core::mem;
use core::sync::atomic::Ordering;

#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
use core::ptr;

#[cfg(feature = "std")]
use std::panic::{RefUnwindSafe, UnwindSafe};

#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
use super::seq_lock::SeqLock;

/// A thread-safe mutable memory location.
Expand Down Expand Up @@ -499,31 +499,31 @@ macro_rules! impl_arithmetic {

#[cfg(has_atomic_u8)]
impl_arithmetic!(u8, atomic::AtomicU8, "let a = AtomicCell::new(7u8);");
#[cfg(all(has_atomic_u8, not(loom_crossbeam)))]
#[cfg(all(has_atomic_u8, not(crossbeam_loom)))]
impl_arithmetic!(i8, atomic::AtomicI8, "let a = AtomicCell::new(7i8);");
#[cfg(has_atomic_u16)]
impl_arithmetic!(u16, atomic::AtomicU16, "let a = AtomicCell::new(7u16);");
#[cfg(all(has_atomic_u16, not(loom_crossbeam)))]
#[cfg(all(has_atomic_u16, not(crossbeam_loom)))]
impl_arithmetic!(i16, atomic::AtomicI16, "let a = AtomicCell::new(7i16);");
#[cfg(has_atomic_u32)]
impl_arithmetic!(u32, atomic::AtomicU32, "let a = AtomicCell::new(7u32);");
#[cfg(all(has_atomic_u32, not(loom_crossbeam)))]
#[cfg(all(has_atomic_u32, not(crossbeam_loom)))]
impl_arithmetic!(i32, atomic::AtomicI32, "let a = AtomicCell::new(7i32);");
#[cfg(has_atomic_u64)]
impl_arithmetic!(u64, atomic::AtomicU64, "let a = AtomicCell::new(7u64);");
#[cfg(all(has_atomic_u64, not(loom_crossbeam)))]
#[cfg(all(has_atomic_u64, not(crossbeam_loom)))]
impl_arithmetic!(i64, atomic::AtomicI64, "let a = AtomicCell::new(7i64);");
#[cfg(all(has_atomic_u128, not(loom_crossbeam)))]
#[cfg(all(has_atomic_u128, not(crossbeam_loom)))]
impl_arithmetic!(u128, atomic::AtomicU128, "let a = AtomicCell::new(7u128);");
#[cfg(all(has_atomic_u128, not(loom_crossbeam)))]
#[cfg(all(has_atomic_u128, not(crossbeam_loom)))]
impl_arithmetic!(i128, atomic::AtomicI128, "let a = AtomicCell::new(7i128);");

impl_arithmetic!(
usize,
atomic::AtomicUsize,
"let a = AtomicCell::new(7usize);"
);
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
impl_arithmetic!(
isize,
atomic::AtomicIsize,
Expand Down Expand Up @@ -632,7 +632,7 @@ const fn can_transmute<A, B>() -> bool {
/// scalability.
#[inline]
#[must_use]
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
fn lock(addr: usize) -> &'static SeqLock {
// The number of locks is a prime number because we want to make sure `addr % LEN` gets
// dispersed across all locks.
Expand Down Expand Up @@ -820,9 +820,9 @@ macro_rules! atomic {
#[cfg(has_atomic_u128)]
atomic!(@check, $t, atomic::AtomicU128, $a, $atomic_op);

#[cfg(loom_crossbeam)]
#[cfg(crossbeam_loom)]
unimplemented!("loom does not support non-atomic atomic ops");
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
break $fallback_op;
}
};
Expand Down
6 changes: 3 additions & 3 deletions crossbeam-utils/src/atomic/consume.rs
Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ macro_rules! impl_atomic {
type Val = $val;
impl_consume!();
}
#[cfg(loom_crossbeam)]
#[cfg(crossbeam_loom)]
impl AtomicConsume for ::loom::sync::atomic::$atomic {
type Val = $val;
impl_consume!();
Expand All @@ -63,7 +63,7 @@ macro_rules! impl_atomic {

impl_atomic!(AtomicBool, bool);
impl_atomic!(AtomicUsize, usize);
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
impl_atomic!(AtomicIsize, isize);
#[cfg(has_atomic_u8)]
impl_atomic!(AtomicU8, u8);
Expand All @@ -87,7 +87,7 @@ impl<T> AtomicConsume for ::core::sync::atomic::AtomicPtr<T> {
impl_consume!();
}

#[cfg(loom_crossbeam)]
#[cfg(crossbeam_loom)]
impl<T> AtomicConsume for ::loom::sync::atomic::AtomicPtr<T> {
type Val = *mut T;
impl_consume!();
Expand Down
4 changes: 2 additions & 2 deletions crossbeam-utils/src/atomic/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,10 @@
//! * [`AtomicCell`], a thread-safe mutable memory location.
//! * [`AtomicConsume`], for reading from primitive atomic types with "consume" ordering.

#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
use cfg_if::cfg_if;

#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
cfg_if! {
// Use "wide" sequence lock if the pointer width <= 32 for preventing its counter against wrap
// around.
Expand Down
6 changes: 3 additions & 3 deletions crossbeam-utils/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@
#![cfg_attr(not(feature = "std"), no_std)]
#![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))]

#[cfg(loom_crossbeam)]
#[cfg(crossbeam_loom)]
#[allow(unused_imports)]
mod primitive {
pub(crate) mod sync {
Expand All @@ -60,7 +60,7 @@ mod primitive {
pub(crate) use loom::sync::{Arc, Condvar, Mutex};
}
}
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
#[allow(unused_imports)]
mod primitive {
pub(crate) mod sync {
Expand Down Expand Up @@ -109,7 +109,7 @@ cfg_if! {
if #[cfg(feature = "std")] {
pub mod sync;

#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
pub mod thread;
}
}
4 changes: 2 additions & 2 deletions crossbeam-utils/src/sync/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,11 @@
//! * [`WaitGroup`], for synchronizing the beginning or end of some computation.

mod parker;
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
mod sharded_lock;
mod wait_group;

pub use self::parker::{Parker, Unparker};
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
pub use self::sharded_lock::{ShardedLock, ShardedLockReadGuard, ShardedLockWriteGuard};
pub use self::wait_group::WaitGroup;
4 changes: 2 additions & 2 deletions src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -90,9 +90,9 @@ cfg_if! {

pub use crossbeam_utils::sync;

#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
pub use crossbeam_utils::thread;
#[cfg(not(loom_crossbeam))]
#[cfg(not(crossbeam_loom))]
pub use crossbeam_utils::thread::scope;
}
}

0 comments on commit ae5ca20

Please sign in to comment.