Checkpoint: add merkle tree in data table

1 files changed, 8 insertions, 8 deletions

diff --git a/src/util/background.rs b/src/util/background.rs
index 937062dd..8081f157 100644
--- a/src/util/background.rs
+++ b/src/util/background.rs
@@ -1,11 +1,11 @@
 use core::future::Future;
 use std::pin::Pin;
+use std::sync::Mutex;
 
 use futures::future::join_all;
 use futures::select;
 use futures_util::future::*;
 use std::sync::Arc;
-use tokio::sync::Mutex;
 use tokio::sync::{mpsc, watch, Notify};
 
 use crate::error::Error;
@@ -38,7 +38,7 @@ impl BackgroundRunner {
 	}
 
 	pub async fn run(self: Arc<Self>) {
-		let mut workers = self.workers.lock().await;
+		let mut workers = self.workers.lock().unwrap();
 		for i in 0..self.n_runners {
 			workers.push(tokio::spawn(self.clone().runner(i)));
 		}
@@ -47,7 +47,7 @@ impl BackgroundRunner {
 		let mut stop_signal = self.stop_signal.clone();
 		while let Some(exit_now) = stop_signal.recv().await {
 			if exit_now {
-				let mut workers = self.workers.lock().await;
+				let mut workers = self.workers.lock().unwrap();
 				let workers_vec = workers.drain(..).collect::<Vec<_>>();
 				join_all(workers_vec).await;
 				return;
@@ -73,12 +73,12 @@ impl BackgroundRunner {
 		self.job_notify.notify();
 	}
 
-	pub async fn spawn_worker<F, T>(&self, name: String, worker: F)
+	pub fn spawn_worker<F, T>(&self, name: String, worker: F)
 	where
 		F: FnOnce(watch::Receiver<bool>) -> T + Send + 'static,
 		T: Future<Output = JobOutput> + Send + 'static,
 	{
-		let mut workers = self.workers.lock().await;
+		let mut workers = self.workers.lock().unwrap();
 		let stop_signal = self.stop_signal.clone();
 		workers.push(tokio::spawn(async move {
 			if let Err(e) = worker(stop_signal).await {
@@ -93,7 +93,7 @@ impl BackgroundRunner {
 		let mut stop_signal = self.stop_signal.clone();
 		loop {
 			let must_exit: bool = *stop_signal.borrow();
-			if let Some(job) = self.dequeue_job(must_exit).await {
+			if let Some(job) = self.dequeue_job(must_exit) {
 				if let Err(e) = job.await {
 					error!("Job failed: {}", e)
 				}
@@ -110,8 +110,8 @@ impl BackgroundRunner {
 		}
 	}
 
-	async fn dequeue_job(&self, must_exit: bool) -> Option<Job> {
-		let mut queue = self.queue_out.lock().await;
+	fn dequeue_job(&self, must_exit: bool) -> Option<Job> {
+		let mut queue = self.queue_out.lock().unwrap();
 		while let Ok((job, cancellable)) = queue.try_recv() {
 			if cancellable && must_exit {
 				continue;