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, int wait);

ARGUMENTS
       sub_info
           information about the subprocessa

       wait
           wait for the application to finish and return status. when UMH_NO_WAIT 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 system workqueues. (ie. it runs with full root capabilities
       and optimized affinity).

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   CALL_USERMODEHELPER_(9)