runtime: testing runtime

runtime/internal/clite/syscall/syscall.go

@@ -20,7 +20,7 @@ const (
 	LLGoPackage = "noinit"
 )
 
-type Errno = uintptr
+type Errno uintptr
 
 // A Signal is a number describing a process signal.
 // It implements the os.Signal interface.
@@ -30,3 +30,7 @@ type Signal = int
 func (ts *Timespec) Unix() (sec int64, nsec int64) {
 	return int64(ts.Sec), int64(ts.Nsec)
 }
+
+func (iov *Iovec) SetLen(length int) {
+	iov.Len = uint64(length)
+}