1 files changed, 29 insertions, 0 deletions
diff --git a/systemd-timesyncd-wait.go b/systemd-timesyncd-wait.go
new file mode 100644
index 0000000..9275502
--- /dev/null
+++ b/systemd-timesyncd-wait.go
@@ -0,0 +1,29 @@
+package main
+
+import (
+	"net"
+	"os"
+)
+
+func main() {
+	sync_sockname := "/run/timesyncd/time-sync.sock"
+
+	sync_sock, err := net.ListenUnixgram("unixgram", &net.UnixAddr{Net: "unixgram", Name: sync_sockname})
+	if err != nil {
+		os.Stderr.WriteString(err.Error())
+		os.Stderr.Write([]byte{'\n'})
+		os.Exit(127)
+	}
+
+	var dat [4096]byte
+	n, err := sync_sock.Read(dat[:])
+	if err != nil {
+		os.Stderr.WriteString(err.Error())
+		os.Stderr.Write([]byte{'\n'})
+		os.Exit(127)
+	}
+	if string(dat[:n]) != "READY=1" {
+		os.Exit(127)
+	}
+	os.Exit(0)
+}