Messages in this thread | | | Date | Sat, 9 Jan 2016 02:21:19 +0530 | Subject | Re: [PATCH] Input: evdev - add ioctl cmd EVIOCGBUFSIZE to get buffer size | From | Aniroop Mathur <> |
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On Sat, Jan 9, 2016 at 2:03 AM, One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> wrote: > On Sat, 9 Jan 2016 01:50:42 +0530 > Aniroop Mathur <aniroop.mathur@gmail.com> wrote: > >> On Sat, Jan 9, 2016 at 1:43 AM, One Thousand Gnomes >> <gnomes@lxorguk.ukuu.org.uk> wrote: >> >> During system boot up, user space buf size is fixed, it cannot be >> >> resized later and we cannot choose by hit&trial. >> >> struct input_event* mBuffer = new input_event[mBuf]; >> > >> > Who says that won't change ? Imagine a future case where plugging in a >> > device changes the buffer size ? >> > >> >> Ofcourse buffer size can be changed but it will also change the value of bufsize >> variable and accordingly user space client should also change its buf size. > > If its hot plugged why shouldn't that value change dynamically after > you've asked ? >
Please put up your query clearly. what value ? what asked ?
> Alan
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