os/exec: document a method to check if a process is alive
Fixes #34396
Change-Id: I35c4e3447f84e349adf7edba92ccb19b324bfe14
GitHub-Last-Rev:
4f06764109ddd9bdfbe4841fc1bebebe026eeb29
GitHub-Pull-Request: golang/go#60763
Reviewed-on: https://go-review.googlesource.com/c/go/+/502815
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>