blob: 595c9fb01c285676d46b48710bba2b433d60c205 (
plain) (
blame)
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
|
package cleaner
import (
"fmt"
"os"
"os/signal"
"syscall"
)
type Cleaner func() error
var cleaners []Cleaner
var inactive bool
// Register a cleaner function. When a function is registered, the Signal watcher is started in a goroutine.
func Register(f Cleaner) {
cleaners = append(cleaners, f)
if !inactive {
inactive = false
go func() {
ch := make(chan os.Signal, 1)
signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM, os.Interrupt)
<-ch
// Prevent un-terminated ^C character in terminal
fmt.Println()
clean()
os.Exit(1)
}()
}
}
// Clean invokes all registered cleanup functions
func clean() {
fmt.Println("Cleaning")
for _, f := range cleaners {
_ = f()
}
cleaners = []Cleaner{}
}
|
