tree d674163b836305d5140f05c1bfc6ab23f0521012
parent c5f1064759fe6c75a4bc5dc251ed1661845936cb
author Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1488420929 -0800
committer Ken'ichi Ohmichi <ken1ohmichi@gmail.com> 1489022140 +0000

Remove send_signal, get_pids, mount and umount

send_signal() is used in _renew_lease_udhcpc() only.
There is not so much merit to keep the method, then this patch just
moves the line into _renew_lease_udhcpc().

Since Ida919c63e27c6a003be4c249ba2e6f3e2ea7a7b3 get_pids() has not
been used. So this patch removes the method.

mount/umount() are only used in scenario manager and they are a single
line command. Many projects still are using these methods, so at this
time this patch just replaces these calls with exec_command() directly
and we will remove these methods after most project will stop using.

Change-Id: I914b09e0b242fbfba92cf35341941e5426c623eb