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Diffstat (limited to 'lib/libusb/libusb.3')
| -rw-r--r-- | lib/libusb/libusb.3 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/libusb/libusb.3 b/lib/libusb/libusb.3 index 42b2e90f148e..a946e998df9e 100644 --- a/lib/libusb/libusb.3 +++ b/lib/libusb/libusb.3 @@ -945,8 +945,25 @@ The library is also compliant with LibUSB version 0.1.12. .Fn usb_get_driver_np .Fn usb_detach_kernel_driver_np .Fn usb_attach_kernel_driver_np +.Sh CAPABILITY MODE +Every +.Nm +context opens the file descriptors needed to reach the USB devices at +.Fn libusb_init +time and opens device nodes relative to a per-context directory +descriptor using +.Xr openat 2 . +All operations on the context, including enumeration of hotplugged +devices, therefore keep working after entering capability mode, see +.Xr capsicum 4 . +The file descriptors are limited with +.Xr cap_rights_limit 2 . +Initialise the context before calling +.Xr cap_enter 2 . .Sh SEE ALSO +.Xr cap_enter 2 , .Xr libusb20 3 , +.Xr capsicum 4 , .Xr usb 4 , .Xr usbconfig 8 , .Xr usbdump 8 |