Fixed bug in example (count can become negative) -- see issue cameron314#252

cameron314 · cameron314 · commit a724a698542b · 2021-07-26T07:35:50.000-04:00
diff --git a/samples.md b/samples.md
@@ -186,7 +186,7 @@ for (int i = 0; i != ProducerCount; ++i) {
 for (int i = 0; i != ConsumerCount; ++i) {
 	consumers[i] = std::thread([&]() {
 		Item item;
-		while (promisedElementsRemaining.fetch_sub(1, std::memory_order_relaxed)) {
+		while (promisedElementsRemaining.fetch_sub(1, std::memory_order_relaxed) > 0) {
 			q.wait_dequeue(item);
 			consumeItem(item);
 		}

Original file line number	Diff line number	Diff line change
`@@ -186,7 +186,7 @@ for (int i = 0; i != ProducerCount; ++i) {`
`186`	`186`	`for (int i = 0; i != ConsumerCount; ++i) {`
`187`	`187`	`consumers[i] = std::thread([&]() {`
`188`	`188`	`Item item;`
`189`		`- while (promisedElementsRemaining.fetch_sub(1, std::memory_order_relaxed)) {`
	`189`	`+ while (promisedElementsRemaining.fetch_sub(1, std::memory_order_relaxed) > 0) {`
`190`	`190`	`q.wait_dequeue(item);`
`191`	`191`	`consumeItem(item);`
`192`	`192`	`}`