tree 56d9693250306121fbcc30fe56a259ed1ae37351
parent ad88e4252f09c2956b99c90de39e95bab2e8e7af
author Paolo Bonzini <pbonzini@redhat.com> 1552587607 +0100
committer Paolo Bonzini <pbonzini@redhat.com> 1559563380 +0200

test-thread-pool: be more reliable

There is a rare race between the atomic_cmpxchg and
bdrv_aio_cancel/bdrv_aio_cancel_async invocations.  Detect it, the
only sensible we can do about it is to exit long_cb immediately.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>