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Gregory Nutt 2014-11-29 10:55:03 -06:00
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@ -9115,3 +9115,13 @@
an interface definition and upper half driver for an analog joystick
device. Initial check-in is only a little more of a clone of the
discrete joystick driver and is as-of-yet untested (2014-11-27).
* libc/Kconfig, misc/Make.defs, misc/lib_ioctl.c, fs/vfs/fs_ioctl.c,
include/nuttx/fs/fs.h, include/sys/ioctl.h, syscall.h, and several
files in syscall/: Add support for a variadic ioctl() function. The
ioctl() interface is a non-standard, Unix interface. NuttX has always
used the older, three-parameter version. Most contemporary systems
now, however, use a variadic form of the ioctl() function. Added an
option to insert a shim layer to adapt the three-parameter ioctl() to
use the variadic interface form. Internally, the ioctl handling is
the same three-parameter logic. The only real complexity to the shim
is in how the system calls must be handled (2014-11-29).