|  | // Copyright 2019 The Go Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style | 
|  | // license that can be found in the LICENSE file. | 
|  |  | 
|  | // +build darwin dragonfly freebsd linux netbsd openbsd | 
|  |  | 
|  | package syscall_test | 
|  |  | 
|  | import ( | 
|  | "internal/testenv" | 
|  | "os" | 
|  | "os/exec" | 
|  | "syscall" | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | func TestExecPtrace(t *testing.T) { | 
|  | testenv.MustHaveExec(t) | 
|  |  | 
|  | bin, err := exec.LookPath("sh") | 
|  | if err != nil { | 
|  | t.Skipf("skipped because sh is not available") | 
|  | } | 
|  |  | 
|  | attr := &os.ProcAttr{ | 
|  | Sys: &syscall.SysProcAttr{ | 
|  | Ptrace: true, | 
|  | }, | 
|  | } | 
|  | proc, err := os.StartProcess(bin, []string{bin}, attr) | 
|  | if err == nil { | 
|  | proc.Kill() | 
|  | } | 
|  | if err != nil && !os.IsPermission(err) { | 
|  | t.Fatalf("StartProcess with ptrace enabled failed: %v", err) | 
|  | } | 
|  | } |