Adding upstream version 1.34.4.

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

plugins/inputs/execd/execd_posix.go

@@ -0,0 +1,46 @@
+//go:build !windows
+
+package execd
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"syscall"
+	"time"
+
+	"github.com/influxdata/telegraf"
+)
+
+func (e *Execd) Gather(_ telegraf.Accumulator) error {
+	if e.process == nil || e.process.Cmd == nil {
+		return nil
+	}
+
+	osProcess := e.process.Cmd.Process
+	if osProcess == nil {
+		return nil
+	}
+	switch e.Signal {
+	case "SIGHUP":
+		return osProcess.Signal(syscall.SIGHUP)
+	case "SIGUSR1":
+		return osProcess.Signal(syscall.SIGUSR1)
+	case "SIGUSR2":
+		return osProcess.Signal(syscall.SIGUSR2)
+	case "STDIN":
+		if osStdin, ok := e.process.Stdin.(*os.File); ok {
+			if err := osStdin.SetWriteDeadline(time.Now().Add(1 * time.Second)); err != nil {
+				return fmt.Errorf("setting write deadline failed: %w", err)
+			}
+		}
+		if _, err := io.WriteString(e.process.Stdin, "\n"); err != nil {
+			return fmt.Errorf("writing to stdin failed: %w", err)
+		}
+	case "none":
+	default:
+		return fmt.Errorf("invalid signal: %s", e.Signal)
+	}
+
+	return nil
+}