Created
April 25, 2023 17:57
-
-
Save MichaelSnowden/542117f05ede85ca53303963dad05e68 to your computer and use it in GitHub Desktop.
A method of propagating cancellation signals to a context
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package signalprop | |
import ( | |
"context" | |
) | |
func PropagateCancel(ctx context.Context, done chan struct{}) (context.Context, context.CancelFunc) { | |
ctx, cancel := context.WithCancel(ctx) | |
go func() { | |
select { | |
case <-ctx.Done(): | |
case <-done: | |
cancel() | |
} | |
}() | |
return ctx, cancel | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment