containerd/mount/mountinfo_freebsd.go
Kunal Kushwaha b12c3215a0 Licence header added
Signed-off-by: Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>
2018-02-19 10:32:26 +09:00

62 lines
1.6 KiB
Go

/*
Copyright The containerd 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 mount
/*
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
*/
import "C"
import (
"fmt"
"reflect"
"unsafe"
)
// Self retrieves a list of mounts for the current running process.
func Self() ([]Info, error) {
var rawEntries *C.struct_statfs
count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT))
if count == 0 {
return nil, fmt.Errorf("Failed to call getmntinfo")
}
var entries []C.struct_statfs
header := (*reflect.SliceHeader)(unsafe.Pointer(&entries))
header.Cap = count
header.Len = count
header.Data = uintptr(unsafe.Pointer(rawEntries))
var out []Info
for _, entry := range entries {
var mountinfo Info
mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0])
mountinfo.Source = C.GoString(&entry.f_mntfromname[0])
mountinfo.FSType = C.GoString(&entry.f_fstypename[0])
out = append(out, mountinfo)
}
return out, nil
}
// PID collects the mounts for a specific process ID.
func PID(pid int) ([]Info, error) {
return nil, fmt.Errorf("mountinfo.PID is not implemented on freebsd")
}