aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/github.com/sirupsen/logrus/alt_exit.go
diff options
context:
space:
mode:
authorOndrej Fabry <ofabry@cisco.com>2017-11-28 16:28:48 +0100
committerOndrej Fabry <ofabry@cisco.com>2017-11-28 16:29:42 +0100
commitac6019137d5b10d02c7acac4f63fa22091b9933d (patch)
tree6b7cc4ecd56fce967bf5665292503459582a58ac /vendor/github.com/sirupsen/logrus/alt_exit.go
parent3f1edad4e6ba0a7876750aea55507fae14d8badf (diff)
Fix imports for github.com/sirupsen/logrus
Change-Id: I84f2e45e5ff188a2a7a80cf69f607b44486c1754 Signed-off-by: Ondrej Fabry <ofabry@cisco.com>
Diffstat (limited to 'vendor/github.com/sirupsen/logrus/alt_exit.go')
-rw-r--r--vendor/github.com/sirupsen/logrus/alt_exit.go64
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)
+}