call_usermodehelper_setfns man page on Scientific

call_usermodehelper_setfns man page on Scientific

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CALL_USERMODEHELPER_(9)		Module Support	       CALL_USERMODEHELPER_(9)

NAME
       call_usermodehelper_setfns - set a cleanup/init function

SYNOPSIS
       void call_usermodehelper_setfns(struct subprocess_info * info,
				       int (*init) (struct subprocess_info *info),
				       void (*cleanup) (struct subprocess_info *info),
				       void * data);

ARGUMENTS
       info
	   a subprocess_info returned by call_usermodehelper_setup

       init
	   an init function

       cleanup
	   a cleanup function

       data
	   arbitrary context sensitive data

DESCRIPTION
       The init function is used to customize the helper process prior to
       exec. A non-zero return code causes the process to error out, exit, and
       return the failure to the calling process

       The cleanup function is just before ethe subprocess_info is about to be
       freed. This can be used for freeing the argv and envp. The Function
       must be runnable in either a process context or the context in which
       call_usermodehelper_exec is called.

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

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