whatcanGOwrong

go/pkg/mod/github.com/cilium/ebpf@v0.11.0/helpers_test.go

@@ -0,0 +1,26 @@
+package ebpf
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/cilium/ebpf/btf"
+	"github.com/cilium/ebpf/internal/testutils"
+)
+
+func haveTestmod(tb testing.TB) bool {
+	haveTestmod := false
+	if !testutils.IsKernelLessThan(tb, "5.11") {
+		// See https://github.com/torvalds/linux/commit/290248a5b7d829871b3ea3c62578613a580a1744
+		testmod, err := btf.FindHandle(func(info *btf.HandleInfo) bool {
+			return info.IsModule() && info.Name == "bpf_testmod"
+		})
+		if err != nil && !errors.Is(err, btf.ErrNotFound) {
+			tb.Fatal(err)
+		}
+		haveTestmod = testmod != nil
+		testmod.Close()
+	}
+
+	return haveTestmod
+}