diff options
author | Lukas Macko <lmacko@cisco.com> | 2017-09-07 12:45:41 +0200 |
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committer | Lukas Macko <lmacko@cisco.com> | 2017-09-07 12:45:41 +0200 |
commit | d07761baec9f09aef0b140ea46e38bd597dbdbbc (patch) | |
tree | 406a35de6a2b8d3b5373a917394988b2a8b8f5a7 /vendor/github.com/sirupsen/logrus/alt_exit.go | |
parent | f2cbe790a5c3c3e8cb59b592c252b2b84025bd91 (diff) |
import sirupsen with lowercase
Change-Id: I555587fc9ecc074ea1a42f0dc77c11716a1b06cb
Signed-off-by: Lukas Macko <lmacko@cisco.com>
Diffstat (limited to 'vendor/github.com/sirupsen/logrus/alt_exit.go')
-rw-r--r-- | vendor/github.com/sirupsen/logrus/alt_exit.go | 64 |
1 files changed, 64 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..8af9063 --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/alt_exit.go @@ -0,0 +1,64 @@ +package logrus + +// The following code was sourced and modified from the +// https://github.com/tebeka/atexit package governed by the following license: +// +// Copyright (c) 2012 Miki Tebeka <miki.tebeka@gmail.com>. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy of +// this software and associated documentation files (the "Software"), to deal in +// the Software without restriction, including without limitation the rights to +// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +// the Software, and to permit persons to whom the Software is furnished to do so, +// subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +import ( + "fmt" + "os" +) + +var handlers = []func(){} + +func runHandler(handler func()) { + defer func() { + if err := recover(); err != nil { + fmt.Fprintln(os.Stderr, "Error: Logrus exit handler error:", err) + } + }() + + handler() +} + +func runHandlers() { + for _, handler := range handlers { + runHandler(handler) + } +} + +// Exit runs all the Logrus atexit handlers and then terminates the program using os.Exit(code) +func Exit(code int) { + runHandlers() + os.Exit(code) +} + +// RegisterExitHandler adds a Logrus Exit handler, call logrus.Exit to invoke +// all handlers. The handlers will also be invoked when any Fatal log entry is +// made. +// +// This method is useful when a caller wishes to use logrus to log a fatal +// message but also needs to gracefully shutdown. An example usecase could be +// closing database connections, or sending a alert that the application is +// closing. +func RegisterExitHandler(handler func()) { + handlers = append(handlers, handler) +} |