Name
call_usermodehelper_exec —
start a usermode application
Synopsis
int call_usermodehelper_exec ( | struct subprocess_info * | sub_info, |
| | enum umh_wait | wait); |
Arguments
sub_info
information about the subprocessa
wait
wait for the application to finish and return status.
when -1 don't wait at all, but you get no useful error back when
the program couldn't be exec'ed. This makes it safe to call
from interrupt context.
Description
Runs a user-space application. The application is started
asynchronously if wait is not set, and runs as a child of keventd.
(ie. it runs with full root capabilities).