Skip to content
GolangFix

GolangFix

Find thousands of fixes for Go Language related issues. Daily Updated!

  • All Questions
  • GoLang
  • goroutine

Category: goroutine

December 22, 2022 goroutine

Why do I get – go routines are asleep error for producer consumer issue

Issue Here is the code – a producer in go routine and multiple consumers. The producer is pumping a channel with information and multiple consumers ( each via a go-routine ) should be reading it in parallel. func main() {

Continue reading
November 25, 2022 goroutine

Can multiple go routines hinder variables in a same function?

Issue My question might be dumb but please bear with me. If two go-routines are calling the same function, will they share variables in that function? Is it safe to declare variables inside the function and use freely? func main()

Continue reading
November 25, 2022 goroutine

Deadlock when using two fmt.printlns with a go routine?

Issue I am trying to learn Go and I was experimenting in the playground. I have a very simple go code. I was trying to use Structs and Slices together in a go routine. I am not sure if this

Continue reading
November 16, 2022 goroutine

Go | Why does this singular goroutine deadlock when using a WaitGroup while uploading a file?

Issue I am trying to upload a file to an online file hosting service (https://anonfiles.com/) via their API. There is an upload file size limit of 20GB. I can upload a simple text file that is around 2KB with the

Continue reading
November 12, 2022 goroutine

how to get goroutine id with ebpf

Issue I use cilium ebpf pakage to write a ebpf program for getting the goroutine id. but failed. my uprobe.c like this : I think the key problem is that golang struct g trans to goroutine.h is wrong. can anyone

Continue reading
October 11, 2022 goroutine

Go:How to print dog, cat and fish alternately for 3 times through 3 goroutine without deadlock?

Issue 1.How to use sync.WaitGroup to solve deadlock? My code can print the result correctly, but it will cause deadlock. What I can think of now is:replace sync.WaitGroup with time.Sleep. But I want to know how to use sync.WaitGroup to

Continue reading
October 9, 2022 goroutine

Why is "Greetings done" getting printed before "Bonjour" in the below example of goroutines and channels?

Issue In the below example, Why is "Greetings done" getting printed before "Bonjour" ? Shouldn’t the sender routine wait until receiver routine receives the value in channel ? package main import ( "fmt" ) func greetings(c chan string) { fmt.Println(<-c)

Continue reading
October 8, 2022 goroutine

Why do I need a wg.Wait() and close() in a separate go routine?

Issue I have a large number of directories all containing hundreds to thousands of files. I want to loop through the list of directories. Then call a go routine for each directory that will scan the directories for files and

Continue reading
September 26, 2022 goroutine

terminating blocking goroutines with errgroup

Issue I have two tasks that are running in go routines. I am using errgroup. I am not sure how to use the errgroup.WithContext correctly. In the following code, task1 is returning the error and I would like to terminate

Continue reading
September 24, 2022 goroutine

Deadlock while using goroutines

Issue I have a program which does 2 things: Read log entries and create logEntry objects Process each logEntry instances Here, reading is done by separate goroutines and processing of all the read entries is done by a single goroutine.

Continue reading

Posts navigation

1 2 3 … 98 Next Posts»

amazon-web-services arrays channel concurrency deadlock dictionary docker error-handling generics go go-gin go-gorm go-modules go-templates goland google-cloud-platform goroutine grpc http interface json kubernetes linux mongo-go mongodb multithreading mysql pointers postgresql protocol-buffers python reflection regex slice sql string struct testing time type-conversion types unit-testing unmarshalling visual-studio-code windows

WordPress Theme: Maxwell by ThemeZee.

Privacy Policy - Terms and Conditions