table of contents
| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |