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authorWilliam Carroll <wpcarro@gmail.com>2020-02-09T01·02+0000
committerWilliam Carroll <wpcarro@gmail.com>2020-02-10T10·06+0000
commit2d3428c8096c27c0c499f0c89ef92b8c306b644e (patch)
tree219a212e751d9f6b38aeaa7f8519a5f03e07ccba /go/atomic-counters.go
parent2af05f698c583bb71f318352e1da3b9ae2d1ae31 (diff)
Practice concurrency in golang
Uploading some snippets I created to help me better understand concurrency in
general and specifically concurrency in golang.
Diffstat (limited to 'go/atomic-counters.go')
-rw-r--r--go/atomic-counters.go26
1 files changed, 26 insertions, 0 deletions
diff --git a/go/atomic-counters.go b/go/atomic-counters.go
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+++ b/go/atomic-counters.go
@@ -0,0 +1,26 @@
+// Attempting to apply some of the lessons I learned here:
+// https://gobyexample.com/atomic-counters
+package main
+
+import (
+	"fmt"
+	"sync"
+	"sync/atomic"
+)
+
+func main() {
+	var count uint64
+	var wg sync.WaitGroup
+
+	for i := 0; i < 50; i += 1 {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			for j := 0; j < 1000; j += 1 {
+				atomic.AddUint64(&count, 1)
+			}
+		}()
+	}
+	wg.Wait()
+	fmt.Println("Count: ", count)
+}