Goroutine introduction

hamed · hamed · commit 82581bfccb35 · 2022-08-05T19:15:21.000+04:30
diff --git a/15-Concurrency/03-Intro/go.mod b/15-Concurrency/03-Intro/go.mod
@@ -0,0 +1,3 @@
+module intro
+
+go 1.18
diff --git a/15-Concurrency/03-Intro/main.go b/15-Concurrency/03-Intro/main.go
@@ -0,0 +1,49 @@
+package main
+
+import (
+	"runtime"
+	"time"
+)
+
+func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
+	value := 0
+	go task1() 
+	go task2()
+	go task3()
+
+	go func() {
+		// lock
+		value++ //1
+		//unlock
+	}()
+	go func() {
+		// lock
+		value+=2 // 3
+		//unlock
+	}()
+	go func() {
+		// lock
+		value+=3 // 6
+		//unlock
+	}()
+
+	println(value)
+
+	time.Sleep(time.Second)
+}
+
+func task1() {
+	println("task1")
+}
+
+func task2() {
+	println("task2")
+}
+
+func task3() {
+	println("task3")
+}
+
+// race condition
+//await
