diff options
Diffstat (limited to 'vendor/github.com/sirupsen/logrus/alt_exit.go')
-rw-r--r-- | vendor/github.com/sirupsen/logrus/alt_exit.go | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/github.com/sirupsen/logrus/alt_exit.go b/vendor/github.com/sirupsen/logrus/alt_exit.go new file mode 100644 index 0000000..8fd189e --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/alt_exit.go | |||
@@ -0,0 +1,76 @@ | |||
1 | package logrus | ||
2 | |||
3 | // The following code was sourced and modified from the | ||
4 | // https://github.com/tebeka/atexit package governed by the following license: | ||
5 | // | ||
6 | // Copyright (c) 2012 Miki Tebeka <[email protected]>. | ||
7 | // | ||
8 | // Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
9 | // this software and associated documentation files (the "Software"), to deal in | ||
10 | // the Software without restriction, including without limitation the rights to | ||
11 | // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | ||
12 | // the Software, and to permit persons to whom the Software is furnished to do so, | ||
13 | // subject to the following conditions: | ||
14 | // | ||
15 | // The above copyright notice and this permission notice shall be included in all | ||
16 | // copies or substantial portions of the Software. | ||
17 | // | ||
18 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
19 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | ||
20 | // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | ||
21 | // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | ||
22 | // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
23 | // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
24 | |||
25 | import ( | ||
26 | "fmt" | ||
27 | "os" | ||
28 | ) | ||
29 | |||
30 | var handlers = []func(){} | ||
31 | |||
32 | func runHandler(handler func()) { | ||
33 | defer func() { | ||
34 | if err := recover(); err != nil { | ||
35 | fmt.Fprintln(os.Stderr, "Error: Logrus exit handler error:", err) | ||
36 | } | ||
37 | }() | ||
38 | |||
39 | handler() | ||
40 | } | ||
41 | |||
42 | func runHandlers() { | ||
43 | for _, handler := range handlers { | ||
44 | runHandler(handler) | ||
45 | } | ||
46 | } | ||
47 | |||
48 | // Exit runs all the Logrus atexit handlers and then terminates the program using os.Exit(code) | ||
49 | func Exit(code int) { | ||
50 | runHandlers() | ||
51 | os.Exit(code) | ||
52 | } | ||
53 | |||
54 | // RegisterExitHandler appends a Logrus Exit handler to the list of handlers, | ||
55 | // call logrus.Exit to invoke all handlers. The handlers will also be invoked when | ||
56 | // any Fatal log entry is made. | ||
57 | // | ||
58 | // This method is useful when a caller wishes to use logrus to log a fatal | ||
59 | // message but also needs to gracefully shutdown. An example usecase could be | ||
60 | // closing database connections, or sending a alert that the application is | ||
61 | // closing. | ||
62 | func RegisterExitHandler(handler func()) { | ||
63 | handlers = append(handlers, handler) | ||
64 | } | ||
65 | |||
66 | // DeferExitHandler prepends a Logrus Exit handler to the list of handlers, | ||
67 | // call logrus.Exit to invoke all handlers. The handlers will also be invoked when | ||
68 | // any Fatal log entry is made. | ||
69 | // | ||
70 | // This method is useful when a caller wishes to use logrus to log a fatal | ||
71 | // message but also needs to gracefully shutdown. An example usecase could be | ||
72 | // closing database connections, or sending a alert that the application is | ||
73 | // closing. | ||
74 | func DeferExitHandler(handler func()) { | ||
75 | handlers = append([]func(){handler}, handlers...) | ||
76 | } | ||