cfcbb4227f
This does not yet include support for the //go:embed directive added in this release. * Makefile.am (check-runtime): Don't create check-runtime-dir. (mostlyclean-local): Don't remove check-runtime-dir. (check-go-tool, check-vet): Copy in go.mod and modules.txt. (check-cgo-test, check-carchive-test): Add go.mod file. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/280172
36 lines
887 B
Go
36 lines
887 B
Go
// 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.
|
|
|
|
// +build freebsd dragonfly
|
|
|
|
package os
|
|
|
|
import (
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
func executable() (string, error) {
|
|
mib := [4]int32{_CTL_KERN, _KERN_PROC, _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
|
|
}
|