Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

internal/process/process_posix.go

@@ -0,0 +1,27 @@
+//go:build !windows
+
+package process
+
+import (
+	"context"
+	"os/exec"
+	"syscall"
+	"time"
+)
+
+func (p *Process) gracefulStop(ctx context.Context, cmd *exec.Cmd, timeout time.Duration) {
+	select {
+	case <-time.After(timeout):
+		if err := cmd.Process.Signal(syscall.SIGTERM); err != nil {
+			p.Log.Errorf("Error after sending SIGTERM signal to process: %v", err)
+		}
+	case <-ctx.Done():
+	}
+	select {
+	case <-time.After(timeout):
+		if err := cmd.Process.Kill(); err != nil {
+			p.Log.Errorf("Error after killing process: %v", err)
+		}
+	case <-ctx.Done():
+	}
+}