CALL_USERMODEHELPER(9)                    Module Support                   CALL_USERMODEHELPER(9)



NAME
       call_usermodehelper - prepare and start a usermode application

SYNOPSIS
       int call_usermodehelper(char * path, char ** argv, char ** envp, int wait);

ARGUMENTS
       path
           path to usermode executable

       argv
           arg vector for process

       envp
           environment for process

       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
       This function is the equivalent to use call_usermodehelper_setup and
       call_usermodehelper_exec.

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