call_usermodehelper_exec man page on Scientific

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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,
				    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).

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013	       CALL_USERMODEHELPER_(9)
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