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| // Copyright 2016 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.
|
| package os
|
| import (
| "syscall"
| "unsafe"
| )
|
| func executable() (string, error) {
| mib := [4]int32{1 /* CTL_KERN */, 14 /* KERN_PROC */, 12 /* KERN_PROC_PATHNAME */, -1}
|
| n := uintptr(0)
| // get length
| _, _, err := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
| if err != 0 {
| return "", err
| }
| if n == 0 { // shouldn't happen
| return "", nil
| }
| buf := make([]byte, n)
| _, _, err = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 4, uintptr(unsafe.Pointer(&buf[0])), uintptr(unsafe.Pointer(&n)), 0, 0)
| if err != 0 {
| return "", err
| }
| if n == 0 { // shouldn't happen
| return "", nil
| }
| return string(buf[:n-1]), nil
| }
|
|
