1CALL_USERMODEHELPER_(9)         Module Support         CALL_USERMODEHELPER_(9)
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NAME

6       call_usermodehelper_exec - start a usermode application
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SYNOPSIS

9       int call_usermodehelper_exec(struct subprocess_info * sub_info,
10                                    enum umh_wait wait);
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ARGUMENTS

13       sub_info
14           information about the subprocessa
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16       wait
17           wait for the application to finish and return status. when -1 don´t
18           wait at all, but you get no useful error back when the program
19           couldn´t be exec´ed. This makes it safe to call from interrupt
20           context.
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DESCRIPTION

23       Runs a user-space application. The application is started
24       asynchronously if wait is not set, and runs as a child of keventd. (ie.
25       it runs with full root capabilities).
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28Kernel Hackers Manual 2.6.         June 2019           CALL_USERMODEHELPER_(9)
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