}
					}
				}
				if err := Truncate(sizedTempDir+"/bar.txt", 0); err != nil {
					t.Fatalf("Truncate failed: %v", err)
				}
			}
		})
	}
}

func testKillProcess(t *testing.T, processKiller func(p *Process)) {
	testenv.MustHaveExec(t)
	t.Parallel()

	// Re-exec the test binary to start a process that hangs until stdin is closed.
	cmd := testenv.Command(t, Args[0])