Files
containerd/mountinfo/mountinfo_freebsd.go
Akihiro Suda 8cd218237b mountinfo: refactored
Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2017-05-10 05:10:22 +00:00

46 lines
1.0 KiB
Go

package mountinfo
/*
#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")
}