Commit 58ba1765 authored by Kirill Smelkov's avatar Kirill Smelkov

context: Note that a context has to be explicitly canceled to release resources

Same story as in Go, but we were lacking documentation notice about this.
parent 9c260fde
......@@ -66,6 +66,9 @@ deadlineExceeded = RuntimeError("deadline exceeded")
#
# Returned context inherits from parent and in particular is canceled when
# parent is done.
#
# The caller should explicitly call cancel to release context resources as soon
# the context is no longer needed.
def with_cancel(parent): # -> ctx, cancel
ctx = _CancelCtx(parent)
return ctx, ctx._cancel
......
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