blob: 65b6395e6018e82d6d5e45fe340058d2ee6d9f8a (
plain)
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
|
package state
import (
"encoding/gob"
"os"
"path"
)
// we unfortunately have to assume there are never races between processes
// this and launcher should eventually be replaced by a server process
type launcherState struct {
PID int
Launcher string
Argv []string
Command []string
Capability Enablements
}
func ReadLaunchers(runDirPath, uid string) ([]*launcherState, error) {
var f *os.File
var r []*launcherState
launcherPrefix := path.Join(runDirPath, uid)
if pl, err := os.ReadDir(launcherPrefix); err != nil {
return nil, err
} else {
for _, e := range pl {
if err = func() error {
if f, err = os.Open(path.Join(launcherPrefix, e.Name())); err != nil {
return err
} else {
defer func() {
if f.Close() != nil {
// unreachable
panic("foreign state file closed prematurely")
}
}()
var s launcherState
r = append(r, &s)
return gob.NewDecoder(f).Decode(&s)
}
}(); err != nil {
return nil, err
}
}
}
return r, nil
}
|
