feat(go): port process access detectors

go-agent/internal/detectors/fd.go

@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package detectors
+
+import (
+	"sort"
+	"strconv"
+)
+
+func sortedFDs(targets map[string]string) []string {
+	fds := make([]string, 0, len(targets))
+	for fd := range targets {
+		fds = append(fds, fd)
+	}
+	sort.Slice(fds, func(i, j int) bool {
+		left, leftErr := strconv.Atoi(fds[i])
+		right, rightErr := strconv.Atoi(fds[j])
+		if leftErr == nil && rightErr == nil {
+			return left < right
+		}
+		return fds[i] < fds[j]
+	})
+	return fds
+}