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
|
// Copyright Earl Warren <contact@earl-warren.org>
// Copyright Loïc Dachary <loic@dachary.org>
// SPDX-License-Identifier: MIT
package util
import (
"context"
)
// Terminated terminated
type Terminated struct{}
func (err Terminated) Error() string {
return "execution is terminated"
}
func MaybeTerminate(ctx context.Context) {
select {
case <-ctx.Done():
panic(Terminated{})
default:
}
}
func CatchTerminate(f func()) (status bool) {
status = false
defer func() {
if r := recover(); r != nil {
_, ok := r.(Terminated)
if ok {
status = true
} else {
panic(r)
}
}
}()
f()
return status
}
|
