1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
//go:build freebsd || openbsd || darwin
// +build freebsd openbsd darwin
package mountinfo
import "golang.org/x/sys/unix"
// parseMountTable returns information about mounted filesystems
func parseMountTable(filter FilterFunc) ([]*Info, error) {
count, err := unix.Getfsstat(nil, unix.MNT_WAIT)
if err != nil {
return nil, err
}
entries := make([]unix.Statfs_t, count)
_, err = unix.Getfsstat(entries, unix.MNT_WAIT)
if err != nil {
return nil, err
}
var out []*Info
for _, entry := range entries {
var skip, stop bool
mountinfo := getMountinfo(&entry)
if filter != nil {
// filter out entries we're not interested in
skip, stop = filter(mountinfo)
if skip {
continue
}
}
out = append(out, mountinfo)
if stop {
break
}
}
return out, nil
}
func mounted(path string) (bool, error) {
path, err := normalizePath(path)
if err != nil {
return false, err
}
// Fast path: compare st.st_dev fields.
// This should always work for FreeBSD and OpenBSD.
mounted, err := mountedByStat(path)
if err == nil {
return mounted, nil
}
// Fallback to parsing mountinfo
return mountedByMountinfo(path)
}
|
