call_usermodehelper_exec - start a usermode application
2. SYNOPSIS ▲
int call_usermodehelper_exec(struct subprocess_info * sub_info , int wait );
3. ARGUMENTS ▲
information about the subprocessa
wait for the application to finish and return status. when UMH_NO_WAIT donAqt wait at all, but you get no useful error back when the program couldnAqt be execAqed. This makes it safe to call from interrupt context.
4. 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).
5. COPYRIGHT ▲