replace few explicit use of parking_lot with rustc_data_structures::sync onces

This commit is contained in:
klensy 2023-08-03 16:54:16 +03:00
parent 383b715163
commit e3700953c1
2 changed files with 12 additions and 14 deletions

View File

@ -1,4 +1,3 @@
use parking_lot::Mutex;
use rustc_data_structures::fingerprint::Fingerprint;
use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap};
use rustc_data_structures::profiling::{EventId, QueryInvocationId, SelfProfilerRef};
@ -88,7 +87,7 @@ pub struct DepGraphData<K: DepKind> {
colors: DepNodeColorMap,
processed_side_effects: Mutex<FxHashSet<DepNodeIndex>>,
processed_side_effects: Lock<FxHashSet<DepNodeIndex>>,
/// When we load, there may be `.o` files, cached MIR, or other such
/// things available to us. If we find that they are not dirty, we

View File

@ -21,12 +21,11 @@ use {
parking_lot::{Condvar, Mutex},
rayon_core,
rustc_data_structures::fx::FxHashSet,
rustc_data_structures::sync::Lock,
rustc_data_structures::sync::Lrc,
rustc_data_structures::{defer, jobserver},
rustc_span::DUMMY_SP,
std::iter,
std::process,
std::sync::Arc,
};
/// Represents a span and a query key.
@ -191,7 +190,7 @@ struct QueryWaiter<D: DepKind> {
query: Option<QueryJobId>,
condvar: Condvar,
span: Span,
cycle: Lock<Option<CycleError<D>>>,
cycle: Mutex<Option<CycleError<D>>>,
}
#[cfg(parallel_compiler)]
@ -205,20 +204,20 @@ impl<D: DepKind> QueryWaiter<D> {
#[cfg(parallel_compiler)]
struct QueryLatchInfo<D: DepKind> {
complete: bool,
waiters: Vec<Lrc<QueryWaiter<D>>>,
waiters: Vec<Arc<QueryWaiter<D>>>,
}
#[cfg(parallel_compiler)]
#[derive(Clone)]
pub(super) struct QueryLatch<D: DepKind> {
info: Lrc<Mutex<QueryLatchInfo<D>>>,
info: Arc<Mutex<QueryLatchInfo<D>>>,
}
#[cfg(parallel_compiler)]
impl<D: DepKind> QueryLatch<D> {
fn new() -> Self {
QueryLatch {
info: Lrc::new(Mutex::new(QueryLatchInfo { complete: false, waiters: Vec::new() })),
info: Arc::new(Mutex::new(QueryLatchInfo { complete: false, waiters: Vec::new() })),
}
}
@ -229,11 +228,11 @@ impl<D: DepKind> QueryLatch<D> {
span: Span,
) -> Result<(), CycleError<D>> {
let waiter =
Lrc::new(QueryWaiter { query, span, cycle: Lock::new(None), condvar: Condvar::new() });
Arc::new(QueryWaiter { query, span, cycle: Mutex::new(None), condvar: Condvar::new() });
self.wait_on_inner(&waiter);
// FIXME: Get rid of this lock. We have ownership of the QueryWaiter
// although another thread may still have a Lrc reference so we cannot
// use Lrc::get_mut
// although another thread may still have a Arc reference so we cannot
// use Arc::get_mut
let mut cycle = waiter.cycle.lock();
match cycle.take() {
None => Ok(()),
@ -242,7 +241,7 @@ impl<D: DepKind> QueryLatch<D> {
}
/// Awaits the caller on this latch by blocking the current thread.
fn wait_on_inner(&self, waiter: &Lrc<QueryWaiter<D>>) {
fn wait_on_inner(&self, waiter: &Arc<QueryWaiter<D>>) {
let mut info = self.info.lock();
if !info.complete {
// We push the waiter on to the `waiters` list. It can be accessed inside
@ -276,7 +275,7 @@ impl<D: DepKind> QueryLatch<D> {
/// Removes a single waiter from the list of waiters.
/// This is used to break query cycles.
fn extract_waiter(&self, waiter: usize) -> Lrc<QueryWaiter<D>> {
fn extract_waiter(&self, waiter: usize) -> Arc<QueryWaiter<D>> {
let mut info = self.info.lock();
debug_assert!(!info.complete);
// Remove the waiter from the list of waiters
@ -428,7 +427,7 @@ where
fn remove_cycle<D: DepKind>(
query_map: &QueryMap<D>,
jobs: &mut Vec<QueryJobId>,
wakelist: &mut Vec<Lrc<QueryWaiter<D>>>,
wakelist: &mut Vec<Arc<QueryWaiter<D>>>,
) -> bool {
let mut visited = FxHashSet::default();
let mut stack = Vec::new();