tree d386e51a672a47e5c2fca164501a42ef9b49e811
parent 7f9b1623fab7a8a3d219f2a4db1b2fe98fadafea
author Cuong Manh Le <cuong.manhle.vn@gmail.com> 1664427570 +0700
committer Gopher Robot <gobot@golang.org> 1664484074 +0000

singleflight: avoid race between multiple Do calls

This is port of CL 436437, but without the test. ForgotUnshared has not
been ported here yet.

Change-Id: Id54d0c41d1a7948bf008e458c44b21670ada81e4
Reviewed-on: https://go-review.googlesource.com/c/sync/+/436495
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>