fix the case where no waiter is waiting
authorweiyu <weiyuluo1232@gmail.com>
Tue, 28 May 2019 23:50:58 +0000 (16:50 -0700)
committerweiyu <weiyuluo1232@gmail.com>
Tue, 28 May 2019 23:50:58 +0000 (16:50 -0700)
commit56e9363b0ef5826be10312a5e2ce664e6939e7ac
treeac10a78d8c999553c9ab1c5d0a2472d27c577e8f
parentb62ab63149465b5961535386281d4dd89091a522
fix the case where no waiter is waiting
execution.cc