That seems needlessly complex. Why not just skip the weird init, and just
have main do a go to the thing you want to be not on the main thread, and
let the main thread do its thing?
On Wed, Apr 29, 2020 at 4:19 PM Akhil Indurti <aindu...@gmail.com> wrote:
> I want to run the main goroutine on another thread besides the main
> thread, so that the main thread can block in darwin UI code. Is this a safe
> way to do it?
>
> package main
>
> /*
> #include <pthread.h>
> #include <stdio.h>
>
> void block() {
> printf("Blocking main thread? %d\n", pthread_main_np());
> while(1);
> }
> */
> import "C"
> import (
> "fmt"
> "runtime"
> )
>
> func init() {
> runtime.LockOSThread()
> go main()
> C.block()
> }
>
> func main() {
> fmt.Println("Blocking main goroutine?", C.pthread_main_np())
> }
>
>
> This prints out the following:
>
> $ go run threadtrick.go
> Blocking main thread? 1
> Blocking main goroutine? 0
>
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