update

go.mod

@@ -1,3 +1,10 @@
 module kumoly.io/lib/stat
 
 go 1.17
+
+require kumoly.io/lib/klog v0.0.8
+
+require (
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
+)

go.sum

@@ -0,0 +1,8 @@
+github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+kumoly.io/lib/klog v0.0.8 h1:6hTfDlZh7KGnPrd2tUrauCKRImSnyyN9DHXpey3Czn8=
+kumoly.io/lib/klog v0.0.8/go.mod h1:Snm+c1xRrh/RbXsxQf7UGYbAJGPcIa6bEEN+CmzJh7M=
+kumoly.io/lib/klog v0.1.10 h1:GJxwcsUct8nF3oHtsJPTIlPKTUeB/+7jsbgh3bMvKMc=
+kumoly.io/lib/klog v0.1.10/go.mod h1:Snm+c1xRrh/RbXsxQf7UGYbAJGPcIa6bEEN+CmzJh7M=

process.go

@@ -0,0 +1,31 @@
+package stat
+
+import (
+	"os"
+	"runtime"
+	"syscall"
+
+	"kumoly.io/lib/klog"
+)
+
+func IsRunning(pid int) bool {
+	p, err := os.FindProcess(pid)
+	if err != nil {
+		klog.Debug(err)
+		return false
+	}
+	if runtime.GOOS == "windows" {
+		return true
+	}
+	err = p.Signal(syscall.Signal(0))
+	if err == syscall.ESRCH {
+		return false
+	}
+	// running
+	// if err == nil {
+	// 	return true
+	// }
+
+	// other errors ignored but we know that the proccess is running
+	return true
+}

process_test.go

@@ -0,0 +1,10 @@
+package stat
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestIsRunning(t *testing.T) {
+	fmt.Println(IsRunning(26340))
+}