tree 645d3a07e8477a11b432a63c0659c4e910ec9268
parent 609d8828d3b8266a80606bf902d1294296962cf3
author Nick Kralevich <nnk@google.com> 1290041742 -0800
committer Nick Kralevich <nnk@google.com> 1290041742 -0800

check the return value of setuid and friends

Under some circumstances, setuid() and family can fail,
returning a non-zero value.  (see "man setuid" for details).
If this happens, we want to ensure that init doesn't spawn a
process which has root privileges when it's not suppose to.

Change-Id: Idd03f2c8f82a7eaf6e696b5bcfe308e51ea58b52