diff options
Diffstat (limited to '')
-rw-r--r-- | vendor/crossbeam-utils/.cargo-checksum.json | 2 | ||||
-rw-r--r-- | vendor/crossbeam-utils/CHANGELOG.md | 5 | ||||
-rw-r--r-- | vendor/crossbeam-utils/Cargo.toml | 8 | ||||
-rw-r--r-- | vendor/crossbeam-utils/no_atomic.rs | 6 | ||||
-rw-r--r-- | vendor/crossbeam-utils/src/cache_padded.rs | 6 | ||||
-rw-r--r-- | vendor/crossbeam-utils/src/sync/mod.rs | 2 | ||||
-rw-r--r-- | vendor/crossbeam-utils/src/sync/once_lock.rs | 103 | ||||
-rw-r--r-- | vendor/crossbeam-utils/src/sync/sharded_lock.rs | 24 | ||||
-rw-r--r-- | vendor/crossbeam-utils/src/sync/wait_group.rs | 5 |
9 files changed, 138 insertions, 23 deletions
diff --git a/vendor/crossbeam-utils/.cargo-checksum.json b/vendor/crossbeam-utils/.cargo-checksum.json index eac87698d..9c73bbda3 100644 --- a/vendor/crossbeam-utils/.cargo-checksum.json +++ b/vendor/crossbeam-utils/.cargo-checksum.json @@ -1 +1 @@ -{"files":{"CHANGELOG.md":"eb2f46ecf2eee5f591c4d4e789f18735bb1ed771782a5e0f16eab3a77001e7c2","Cargo.toml":"9ce8b596c9789e65bef4c952bdcac84fc88e50ba9ecb01a818036eff4e6ecfec","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"2a19af38a52dd965c2d66bb39f90a85b430b51ee9ccb29e9e1978ee7091e5087","benches/atomic_cell.rs":"c927eb3cd1e5ecc4b91adbc3bde98af15ffab4086190792ba64d5cde0e24df3d","build.rs":"4859f9c926c230023e861bf01c4b225b460035faf8cf6240108530efedbb747f","no_atomic.rs":"916ed15218bb7b75a4e0d432430e7134efd27ca43ca8a8766e0c90e89febb602","src/atomic/atomic_cell.rs":"0fc99463e633144c5d59d39c35b5477da1f1b90f5448cadc37454b7f4b97707e","src/atomic/consume.rs":"7a7736fcd64f6473dfea7653559ffc5e1a2a234df43835f8aa8734862145ac15","src/atomic/mod.rs":"94193895fa03cece415e8d7be700b73a9a8a7015774ca821253438607f9b0736","src/atomic/seq_lock.rs":"27182e6b87a9db73c5f6831759f8625f9fcdec3c2828204c444aef04f427735a","src/atomic/seq_lock_wide.rs":"9888dd03116bb89ca36d4ab8d5a0b5032107a2983a7eb8024454263b09080088","src/backoff.rs":"8fd5e3dcccc05860680e49c8498de8096bee9140bcfee8723d97117106a020d0","src/cache_padded.rs":"6a512698115ad0d5a5b163dbd7a83247e1f1c146c4a30f3fc74b952e3b767b59","src/lib.rs":"6f1bcf157abe06ad8458a53e865bf8efab9fad4a9424790147cee8fefb3795d8","src/sync/mod.rs":"59986f559a8f170a4b3247ab2eea2460b09809d87c8110ed88e4e7103d3519dc","src/sync/parker.rs":"91f3a7d4ee8d9e06b6558d180e8a0df08ff5c6cef612b4ce4790f9f75cb34f84","src/sync/sharded_lock.rs":"78433f55ee3defeea348d65abc78e03d63d6a304e09c568b27b403e9ad205771","src/sync/wait_group.rs":"32e946a7581c55f8aa9904527b92b177c538fa0cf7cbcfa1d1f25990582cb6ea","src/thread.rs":"21cf9b3e965529e5c0a6ff8fc1ec846bfe0006c41deb238a149be8d07384e955","tests/atomic_cell.rs":"bf8bc869c922a1cbf929c3b741bae0cae98f2157f572b5a4eb2873d20a407c22","tests/cache_padded.rs":"1bfaff8354c8184e1ee1f902881ca9400b60effb273b0d3f752801a483d2b66d","tests/parker.rs":"6def4721287d9d70b1cfd63ebb34e1c83fbb3376edbad2bc8aac6ef69dd99d20","tests/sharded_lock.rs":"314adeb8a651a28935f7a49c9a261b8fa1fd82bf6a16c865a5aced6216d7e40b","tests/thread.rs":"9a7d7d3028c552fd834c68598b04a1cc252a816bc20ab62cec060d6cd09cab10","tests/wait_group.rs":"02661c2a820a5abe8b0c8fe15a6650aead707b57cdda0610d1b09a2680ed6969"},"package":"51887d4adc7b564537b15adcfb307936f8075dfcd5f00dde9a9f1d29383682bc"}
\ No newline at end of file +{"files":{"CHANGELOG.md":"65d3e11edf9498bdbc930c8c3878b7d3a90c1a0b1698597dc4a396a547fa0948","Cargo.toml":"1e4259a5a47271e8ae040b91e17652b5a4e0e7e45c3f22de5008db276f3a50bf","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"2a19af38a52dd965c2d66bb39f90a85b430b51ee9ccb29e9e1978ee7091e5087","benches/atomic_cell.rs":"c927eb3cd1e5ecc4b91adbc3bde98af15ffab4086190792ba64d5cde0e24df3d","build.rs":"4859f9c926c230023e861bf01c4b225b460035faf8cf6240108530efedbb747f","no_atomic.rs":"f58085b9d0666ccf62e0ae17fb5dae937c0a86fcc55dc0ae04ad8659e696a49c","src/atomic/atomic_cell.rs":"0fc99463e633144c5d59d39c35b5477da1f1b90f5448cadc37454b7f4b97707e","src/atomic/consume.rs":"7a7736fcd64f6473dfea7653559ffc5e1a2a234df43835f8aa8734862145ac15","src/atomic/mod.rs":"94193895fa03cece415e8d7be700b73a9a8a7015774ca821253438607f9b0736","src/atomic/seq_lock.rs":"27182e6b87a9db73c5f6831759f8625f9fcdec3c2828204c444aef04f427735a","src/atomic/seq_lock_wide.rs":"9888dd03116bb89ca36d4ab8d5a0b5032107a2983a7eb8024454263b09080088","src/backoff.rs":"8fd5e3dcccc05860680e49c8498de8096bee9140bcfee8723d97117106a020d0","src/cache_padded.rs":"8bb8925e2df44224ffa29f31a2f9c08d88d8bd3df6c1ce47003598225055fdb5","src/lib.rs":"6f1bcf157abe06ad8458a53e865bf8efab9fad4a9424790147cee8fefb3795d8","src/sync/mod.rs":"eca73c04f821859b8434d2b93db87d160dc6a3f65498ca201cd40d732ca4c134","src/sync/once_lock.rs":"c03dc9c05a817e087dccf8b682f7307501542805533551da3c2bab442bc40743","src/sync/parker.rs":"91f3a7d4ee8d9e06b6558d180e8a0df08ff5c6cef612b4ce4790f9f75cb34f84","src/sync/sharded_lock.rs":"6391b3b99b194b8e0888446c2dec340e4fb095753bcf0c1a80bc654f9c8be0e3","src/sync/wait_group.rs":"3e339aab014f50e214fea535c841755113ea058153378ed54e50a4acb403c937","src/thread.rs":"21cf9b3e965529e5c0a6ff8fc1ec846bfe0006c41deb238a149be8d07384e955","tests/atomic_cell.rs":"bf8bc869c922a1cbf929c3b741bae0cae98f2157f572b5a4eb2873d20a407c22","tests/cache_padded.rs":"1bfaff8354c8184e1ee1f902881ca9400b60effb273b0d3f752801a483d2b66d","tests/parker.rs":"6def4721287d9d70b1cfd63ebb34e1c83fbb3376edbad2bc8aac6ef69dd99d20","tests/sharded_lock.rs":"314adeb8a651a28935f7a49c9a261b8fa1fd82bf6a16c865a5aced6216d7e40b","tests/thread.rs":"9a7d7d3028c552fd834c68598b04a1cc252a816bc20ab62cec060d6cd09cab10","tests/wait_group.rs":"02661c2a820a5abe8b0c8fe15a6650aead707b57cdda0610d1b09a2680ed6969"},"package":"edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"}
\ No newline at end of file diff --git a/vendor/crossbeam-utils/CHANGELOG.md b/vendor/crossbeam-utils/CHANGELOG.md index 28812e1d6..3a93e4659 100644 --- a/vendor/crossbeam-utils/CHANGELOG.md +++ b/vendor/crossbeam-utils/CHANGELOG.md @@ -1,3 +1,8 @@ +# Version 0.8.12 + +- Removes the dependency on the `once_cell` crate to restore the MSRV. (#913) +- Work around [rust-lang#98302](https://github.com/rust-lang/rust/issues/98302), which causes compile error on windows-gnu when LTO is enabled. (#913) + # Version 0.8.11 - Bump the minimum supported Rust version to 1.38. (#877) diff --git a/vendor/crossbeam-utils/Cargo.toml b/vendor/crossbeam-utils/Cargo.toml index 9e1b58628..5cb2b0a84 100644 --- a/vendor/crossbeam-utils/Cargo.toml +++ b/vendor/crossbeam-utils/Cargo.toml @@ -13,7 +13,7 @@ edition = "2018" rust-version = "1.38" name = "crossbeam-utils" -version = "0.8.11" +version = "0.8.12" description = "Utilities for concurrent programming" homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils" readme = "README.md" @@ -35,10 +35,6 @@ repository = "https://github.com/crossbeam-rs/crossbeam" [dependencies.cfg-if] version = "1" -[dependencies.once_cell] -version = "1" -optional = true - [dev-dependencies.rand] version = "0.8" @@ -48,7 +44,7 @@ version = "1" [features] default = ["std"] nightly = [] -std = ["once_cell"] +std = [] [target."cfg(crossbeam_loom)".dependencies.loom] version = "0.5" diff --git a/vendor/crossbeam-utils/no_atomic.rs b/vendor/crossbeam-utils/no_atomic.rs index f740aaee1..675d9a27e 100644 --- a/vendor/crossbeam-utils/no_atomic.rs +++ b/vendor/crossbeam-utils/no_atomic.rs @@ -2,6 +2,8 @@ // It is not intended for manual editing. const NO_ATOMIC_CAS: &[&str] = &[ + "armv4t-none-eabi", + "armv5te-none-eabi", "avr-unknown-gnu-atmega328", "bpfeb-unknown-none", "bpfel-unknown-none", @@ -10,6 +12,7 @@ const NO_ATOMIC_CAS: &[&str] = &[ "riscv32im-unknown-none-elf", "riscv32imc-unknown-none-elf", "thumbv4t-none-eabi", + "thumbv5te-none-eabi", "thumbv6m-none-eabi", ]; @@ -18,7 +21,9 @@ const NO_ATOMIC_64: &[&str] = &[ "arm-linux-androideabi", "armebv7r-none-eabi", "armebv7r-none-eabihf", + "armv4t-none-eabi", "armv4t-unknown-linux-gnueabi", + "armv5te-none-eabi", "armv5te-unknown-linux-gnueabi", "armv5te-unknown-linux-musleabi", "armv5te-unknown-linux-uclibceabi", @@ -55,6 +60,7 @@ const NO_ATOMIC_64: &[&str] = &[ "riscv32imac-unknown-xous-elf", "riscv32imc-unknown-none-elf", "thumbv4t-none-eabi", + "thumbv5te-none-eabi", "thumbv6m-none-eabi", "thumbv7em-none-eabi", "thumbv7em-none-eabihf", diff --git a/vendor/crossbeam-utils/src/cache_padded.rs b/vendor/crossbeam-utils/src/cache_padded.rs index 822e831d1..b5d5d33c9 100644 --- a/vendor/crossbeam-utils/src/cache_padded.rs +++ b/vendor/crossbeam-utils/src/cache_padded.rs @@ -39,9 +39,9 @@ use core::ops::{Deref, DerefMut}; /// let addr1 = &*array[0] as *const i8 as usize; /// let addr2 = &*array[1] as *const i8 as usize; /// -/// assert!(addr2 - addr1 >= 64); -/// assert_eq!(addr1 % 64, 0); -/// assert_eq!(addr2 % 64, 0); +/// assert!(addr2 - addr1 >= 32); +/// assert_eq!(addr1 % 32, 0); +/// assert_eq!(addr2 % 32, 0); /// ``` /// /// When building a concurrent queue with a head and a tail index, it is wise to place them in diff --git a/vendor/crossbeam-utils/src/sync/mod.rs b/vendor/crossbeam-utils/src/sync/mod.rs index eeb740c2c..f9eec71fb 100644 --- a/vendor/crossbeam-utils/src/sync/mod.rs +++ b/vendor/crossbeam-utils/src/sync/mod.rs @@ -4,6 +4,8 @@ //! * [`ShardedLock`], a sharded reader-writer lock with fast concurrent reads. //! * [`WaitGroup`], for synchronizing the beginning or end of some computation. +#[cfg(not(crossbeam_loom))] +mod once_lock; mod parker; #[cfg(not(crossbeam_loom))] mod sharded_lock; diff --git a/vendor/crossbeam-utils/src/sync/once_lock.rs b/vendor/crossbeam-utils/src/sync/once_lock.rs new file mode 100644 index 000000000..c1fefc96c --- /dev/null +++ b/vendor/crossbeam-utils/src/sync/once_lock.rs @@ -0,0 +1,103 @@ +// Based on unstable std::sync::OnceLock. +// +// Source: https://github.com/rust-lang/rust/blob/8e9c93df464b7ada3fc7a1c8ccddd9dcb24ee0a0/library/std/src/sync/once_lock.rs + +use core::cell::UnsafeCell; +use core::mem::MaybeUninit; +use core::sync::atomic::{AtomicBool, Ordering}; +use std::sync::Once; + +pub(crate) struct OnceLock<T> { + once: Once, + // Once::is_completed requires Rust 1.43, so use this to track of whether they have been initialized. + is_initialized: AtomicBool, + value: UnsafeCell<MaybeUninit<T>>, + // Unlike std::sync::OnceLock, we don't need PhantomData here because + // we don't use #[may_dangle]. +} + +unsafe impl<T: Sync + Send> Sync for OnceLock<T> {} +unsafe impl<T: Send> Send for OnceLock<T> {} + +impl<T> OnceLock<T> { + /// Creates a new empty cell. + #[must_use] + pub(crate) const fn new() -> Self { + Self { + once: Once::new(), + is_initialized: AtomicBool::new(false), + value: UnsafeCell::new(MaybeUninit::uninit()), + } + } + + /// Gets the contents of the cell, initializing it with `f` if the cell + /// was empty. + /// + /// Many threads may call `get_or_init` concurrently with different + /// initializing functions, but it is guaranteed that only one function + /// will be executed. + /// + /// # Panics + /// + /// If `f` panics, the panic is propagated to the caller, and the cell + /// remains uninitialized. + /// + /// It is an error to reentrantly initialize the cell from `f`. The + /// exact outcome is unspecified. Current implementation deadlocks, but + /// this may be changed to a panic in the future. + pub(crate) fn get_or_init<F>(&self, f: F) -> &T + where + F: FnOnce() -> T, + { + // Fast path check + if self.is_initialized() { + // SAFETY: The inner value has been initialized + return unsafe { self.get_unchecked() }; + } + self.initialize(f); + + debug_assert!(self.is_initialized()); + + // SAFETY: The inner value has been initialized + unsafe { self.get_unchecked() } + } + + #[inline] + fn is_initialized(&self) -> bool { + self.is_initialized.load(Ordering::Acquire) + } + + #[cold] + fn initialize<F>(&self, f: F) + where + F: FnOnce() -> T, + { + let slot = self.value.get().cast::<T>(); + let is_initialized = &self.is_initialized; + + self.once.call_once(|| { + let value = f(); + unsafe { + slot.write(value); + } + is_initialized.store(true, Ordering::Release); + }); + } + + /// # Safety + /// + /// The value must be initialized + unsafe fn get_unchecked(&self) -> &T { + debug_assert!(self.is_initialized()); + &*self.value.get().cast::<T>() + } +} + +impl<T> Drop for OnceLock<T> { + fn drop(&mut self) { + if self.is_initialized() { + // SAFETY: The inner value has been initialized + unsafe { self.value.get().cast::<T>().drop_in_place() }; + } + } +} diff --git a/vendor/crossbeam-utils/src/sync/sharded_lock.rs b/vendor/crossbeam-utils/src/sync/sharded_lock.rs index 692653447..b43c55ea4 100644 --- a/vendor/crossbeam-utils/src/sync/sharded_lock.rs +++ b/vendor/crossbeam-utils/src/sync/sharded_lock.rs @@ -9,8 +9,8 @@ use std::sync::{LockResult, PoisonError, TryLockError, TryLockResult}; use std::sync::{Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard}; use std::thread::{self, ThreadId}; +use crate::sync::once_lock::OnceLock; use crate::CachePadded; -use once_cell::sync::Lazy; /// The number of shards per sharded lock. Must be a power of two. const NUM_SHARDS: usize = 8; @@ -583,13 +583,17 @@ struct ThreadIndices { next_index: usize, } -static THREAD_INDICES: Lazy<Mutex<ThreadIndices>> = Lazy::new(|| { - Mutex::new(ThreadIndices { - mapping: HashMap::new(), - free_list: Vec::new(), - next_index: 0, - }) -}); +fn thread_indices() -> &'static Mutex<ThreadIndices> { + static THREAD_INDICES: OnceLock<Mutex<ThreadIndices>> = OnceLock::new(); + fn init() -> Mutex<ThreadIndices> { + Mutex::new(ThreadIndices { + mapping: HashMap::new(), + free_list: Vec::new(), + next_index: 0, + }) + } + THREAD_INDICES.get_or_init(init) +} /// A registration of a thread with an index. /// @@ -601,7 +605,7 @@ struct Registration { impl Drop for Registration { fn drop(&mut self) { - let mut indices = THREAD_INDICES.lock().unwrap(); + let mut indices = thread_indices().lock().unwrap(); indices.mapping.remove(&self.thread_id); indices.free_list.push(self.index); } @@ -610,7 +614,7 @@ impl Drop for Registration { thread_local! { static REGISTRATION: Registration = { let thread_id = thread::current().id(); - let mut indices = THREAD_INDICES.lock().unwrap(); + let mut indices = thread_indices().lock().unwrap(); let index = match indices.free_list.pop() { Some(i) => i, diff --git a/vendor/crossbeam-utils/src/sync/wait_group.rs b/vendor/crossbeam-utils/src/sync/wait_group.rs index 4206ee42b..19d607415 100644 --- a/vendor/crossbeam-utils/src/sync/wait_group.rs +++ b/vendor/crossbeam-utils/src/sync/wait_group.rs @@ -1,6 +1,3 @@ -// Necessary for using `Mutex<usize>` for conditional variables -#![allow(clippy::mutex_atomic)] - use crate::primitive::sync::{Arc, Condvar, Mutex}; use std::fmt; @@ -42,6 +39,7 @@ use std::fmt; /// /// // Block until all threads have finished their work. /// wg.wait(); +/// # std::thread::sleep(std::time::Duration::from_millis(500)); // wait for background threads closed: https://github.com/rust-lang/miri/issues/1371 /// ``` /// /// [`Barrier`]: std::sync::Barrier @@ -100,6 +98,7 @@ impl WaitGroup { /// /// // Block until both threads have reached `wait()`. /// wg.wait(); + /// # std::thread::sleep(std::time::Duration::from_millis(500)); // wait for background threads closed: https://github.com/rust-lang/miri/issues/1371 /// ``` pub fn wait(self) { if *self.inner.count.lock().unwrap() == 1 { |