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author | William Carroll <wpcarro@gmail.com> | 2020-02-09T01·02+0000 |
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committer | William Carroll <wpcarro@gmail.com> | 2020-02-10T10·06+0000 |
commit | 2d3428c8096c27c0c499f0c89ef92b8c306b644e (patch) | |
tree | 219a212e751d9f6b38aeaa7f8519a5f03e07ccba /go/atomic-counters.go | |
parent | 2af05f698c583bb71f318352e1da3b9ae2d1ae31 (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.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/go/atomic-counters.go b/go/atomic-counters.go new file mode 100644 index 000000000000..6cbcd2ee4eaf --- /dev/null +++ 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) +} |