mirror of
https://github.com/perkeep/perkeep.git
synced 2025-02-26 20:25:07 +00:00
62b5da6f99
to restart camli properly This change adds the functionality to find the path to the currently running executable, so that camlistore can be restarted without à priori knowledge of cwd. It should work for linux, netBSD and freeBSD, and it might work for openBSD. The naive (os.Args[0]) approach is still used with darwin. Reference: https://codereview.appspot.com/6736069/ Change-Id: Icc9fc2b4e1b3542cfbe6c457c1fefbe762eff2f1
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
// +build freebsd
|
|
|
|
/*
|
|
Copyright 2012 The Camlistore Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package osutil
|
|
|
|
import (
|
|
"errors"
|
|
"os"
|
|
"runtime"
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
func init() {
|
|
osSelfPath = selfPathFreeBSD
|
|
}
|
|
|
|
func selfPathFreeBSD() (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
|
|
}
|