only create pipe if command output needed release-0.11 0.11
authorZhang Qiang <qiang.z.zhang@intel.com>
Mon, 16 Dec 2013 08:03:46 +0000 (16:03 +0800)
committerZhang Qiang <qiang.z.zhang@intel.com>
Mon, 16 Dec 2013 08:35:34 +0000 (16:35 +0800)
commit7417082248a6d9071032e9ad78414ad2fe811170
tree3d39b6e94a06235c36dc7ce6c7bdd27ef5dc87a3
parent7074b1b69920b01ba913be7e9219c897e379ed7c
only create pipe if command output needed

This will make my_system more safe via avoid using pipe.

Change-Id: I386913ad4ee6be908004351628a47b370e96eae4
depanneur