CALL_USERMODEHELPER_(9) Module Support CALL_USERMODEHELPER_(9)
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).
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 CALL_USERMODEHELPER_(9)
