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).