CALL_USERMODEHELPER_

Section: Module Support (9)
Updated: February 2011
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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).  

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