traefik/safe/safe.go

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package safe
import (
"log"
"runtime/debug"
)
// Go starts a recoverable goroutine
func Go(goroutine func()) {
GoWithRecover(goroutine, defaultRecoverGoroutine)
}
// GoWithRecover starts a recoverable goroutine using given customRecover() function
func GoWithRecover(goroutine func(), customRecover func(err interface{})) {
go func() {
defer func() {
if err := recover(); err != nil {
customRecover(err)
}
}()
goroutine()
}()
}
func defaultRecoverGoroutine(err interface{}) {
log.Println(err)
debug.PrintStack()
}