Yes, I was asking about a generic handler.
I am thinking of writing a wrapper function which takes a function and
spuns up a goroutine with the above mentioned defer function by default.
On Sat, May 28, 2022 at 1:27 AM 'Sean Liao' via golang-nuts <
golang-nuts@googlegroups.com> wrote:
> I believe this is asking for a single handler that will apply to all
> goroutines, to which the answer is no such feature exists
>
> - sean
>
> On Sat, May 28, 2022, 03:09 Ian Lance Taylor <i...@golang.org> wrote:
>
>> On Fri, May 27, 2022 at 10:42 AM Aggarwal Sre <sre.aggar...@gmail.com>
>> wrote:
>> >
>> > Is there a recommended pattern besides adding a defer call ( with
>> recover call, to collect debug stack trace) to each goroutine, for
>> collecting a stack trace when a golang is crashing due to any sort of panic.
>> >
>> > In other words, is there a way to register an uber handler ( probably
>> using OS signals) at the main function level, to indicate that a golang
>> program crashed and stacktrace to clearly specify where exactly?
>>
>> A panic handle is run at the bottom of the stack. If you write this:
>>
>> defer func() {
>> if recover() != nil {
>> fmt.Printf("%s", debug.Stack())
>> }
>> }()
>>
>> in your main function, it will print a stack trace showing the point
>> of the panic.
>>
>> Ian
>>
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>> .
>>
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