vendor: cilium/ebbf 4032b1d8aae306b7bb94a2a11002932caf88c644

full diff: 60c3aa43f4...4032b1d8aa

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/cilium/ebpf/internal/syscall.go

@@ -0,0 +1,23 @@
+package internal
+
+import (
+	"runtime"
+	"unsafe"
+
+	"github.com/cilium/ebpf/internal/unix"
+)
+
+// BPF wraps SYS_BPF.
+//
+// Any pointers contained in attr must use the Pointer type from this package.
+func BPF(cmd int, attr unsafe.Pointer, size uintptr) (uintptr, error) {
+	r1, _, errNo := unix.Syscall(unix.SYS_BPF, uintptr(cmd), uintptr(attr), size)
+	runtime.KeepAlive(attr)
+
+	var err error
+	if errNo != 0 {
+		err = errNo
+	}
+
+	return r1, err
+}