CALL_USERMODEHELPER_(9) Module Support CALL_USERMODEHELPER_(9)NAMEcall_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).
COPYRIGHTKernel Hackers Manual 2.6. November 2013 CALL_USERMODEHELPER_(9)