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Double-checked lock in ChannelSendOperator#request 

Closes gh-31865
This commit is contained in:
rstoyanchev 2024-01-12 17:15:06 +00:00
parent 2a43cc7574
commit 47779d6a53
2 changed files with 8 additions and 0 deletions
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4
spring-messaging/src/main/java/org/springframework/messaging/handler/invocation/reactive/ChannelSendOperator.java
View File

@ -281,6 +281,10 @@ class ChannelSendOperator<T> extends Mono<Void> implements Scannable {
return;
}
synchronized (this) {
if (this.state == State.READY_TO_WRITE) {
s.request(n);
return;
}
if (this.writeSubscriber != null) {
if (this.state == State.EMITTING_CACHED_SIGNALS) {
this.demandBeforeReadyToWrite = n;

4
spring-web/src/main/java/org/springframework/http/server/reactive/ChannelSendOperator.java
View File

@ -273,6 +273,10 @@ public class ChannelSendOperator<T> extends Mono<Void> implements Scannable {
return;
}
synchronized (this) {
if (this.state == State.READY_TO_WRITE) {
s.request(n);
return;
}
if (this.writeSubscriber != null) {
if (this.state == State.EMITTING_CACHED_SIGNALS) {
this.demandBeforeReadyToWrite = n;