tree 7acdcae36d2e85d5a3de6e49a0af4fbcf8f8f83d
parent f5558bb2f580ed40374a98e8db6fd58ae79f6e1d
author Ian Lance Taylor <iant@golang.org> 1585239191 -0700
committer Ian Lance Taylor <iant@golang.org> 1585340971 +0000

runtime: lock mtxpoll in AIX netpollBreak

netpollBreak calls netpollwakeup, and netpollwakeup expects the mtxpoll
lock to be held, so that it has exclusive access to pendingUpdates.
Not acquiring the lock was a mistake in CL 171824. Fortunately it
rarely matters in practice.

Change-Id: I32962ec2575c846ef3d6a91a4d821b2ff02d983c
Reviewed-on: https://go-review.googlesource.com/c/go/+/225618
Reviewed-by: Michael Knyszek <mknyszek@google.com>