go-recover-simple.go

go-recover-simple.go

package main

import (
    "runtime/debug"
)

func main() {
    // 1. set app crash handler
    defer appCrashCatcher()
    
    // 2. write your concurrent app
    ....
}

func appCrashCatcher() {
    debug.SetPanicOnFault(true)
    if err := recover(); err != nil {
        fmt.Fprintf(os.Stderr, "\n\nCRASH: %v", err)
        fmt.Fprintf(os.Stderr, "\n\nstack: %s", string(debug.Stack()))
    }
}