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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

April 2019 Kernel Hackers Manual 4.9.