add windows support (#867)

* add windows support

* add windows support

* add windows support

Co-authored-by: 78552423@qq.com <chenyz0812>

src/pkg/sys/cmd_unix.go

+// +build aix darwin dragonfly freebsd js,wasm linux netbsd openbsd solaris plan9
+
+// Unix environment variables.
+
+package sys
+
+import (
+	"os/exec"
+	"syscall"
+	"time"
+)
+
+func WrapTimeout(cmd *exec.Cmd, timeout time.Duration) (error, bool) {
+	var err error
+
+	done := make(chan error)
+	go func() {
+		done <- cmd.Wait()
+	}()
+
+	select {
+	case <-time.After(timeout):
+		go func() {
+			<-done // allow goroutine to exit
+		}()
+
+		// IMPORTANT: cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true} is necessary before cmd.Start()
+		err = syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL)
+		return err, true
+	case err = <-done:
+		return err, false
+	}
+}

src/pkg/sys/cmd_windows.go

+// Windows environment variables.
+
+package sys
+
+import (
+	"os/exec"
+	"syscall"
+	"time"
+)
+
+func WrapTimeout(cmd *exec.Cmd, timeout time.Duration) (error, bool) {
+	var err error
+
+	done := make(chan error)
+	go func() {
+		done <- cmd.Wait()
+	}()
+
+	select {
+	case <-time.After(timeout):
+		go func() {
+			<-done // allow goroutine to exit
+		}()
+
+		err = cmd.Process.Signal(syscall.SIGKILL)
+		return err, true
+	case err = <-done:
+		return err, false
+	}
+}

src/server/engine/notify.go

@@ -16,9 +16,9 @@ import (
 	"github.com/toolkits/pkg/file"
 	"github.com/toolkits/pkg/logger"
 	"github.com/toolkits/pkg/runner"
-	"github.com/toolkits/pkg/sys"
 
 	"github.com/didi/nightingale/v5/src/models"
+	"github.com/didi/nightingale/v5/src/pkg/sys"
 	"github.com/didi/nightingale/v5/src/server/config"
 	"github.com/didi/nightingale/v5/src/server/memsto"
 	"github.com/didi/nightingale/v5/src/storage"