mirror of https://github.com/status-im/nim-eth.git
25 lines
779 B
Nim
25 lines
779 B
Nim
import
|
|
chronos, chronicles/chronos_tools
|
|
|
|
export
|
|
chronos_tools
|
|
|
|
template awaitWithTimeout*[T](operation: Future[T],
|
|
deadline: Future[void],
|
|
onTimeout: untyped): T =
|
|
let f = operation
|
|
await f or deadline
|
|
if not f.finished:
|
|
# If we don't wait for for the cancellation here, it's possible that
|
|
# the "next" operation will run concurrently to this one, messing up
|
|
# the order of operations (since await/async is not fair)
|
|
await cancelAndWait(f)
|
|
onTimeout
|
|
else:
|
|
f.read
|
|
|
|
template awaitWithTimeout*[T](operation: Future[T],
|
|
timeout: Duration,
|
|
onTimeout: untyped): T =
|
|
awaitWithTimeout(operation, sleepAsync(timeout), onTimeout)
|