Olaf Buddenhagen, le Sat 26 Sep 2015 15:08:15 +0200, a écrit : > On Thu, Sep 24, 2015 at 08:18:37PM +0200, Samuel Thibault wrote: > > > It may still be impossible at the moment actually. The > > SNDCTL_DSP_MAPINBUF and SNDCTL_DSP_MAPOUTBUF ioctls are precisely > > examples: they pass a struct which contains the address of a buffer. > > This can not be expressed with the current handling of ioctls in > > GNU/Hurd: the sound server can't read/write the client process memory. > > AIUI, it is possible by adding explicit stubs for these specific ioctls > to our glibc. I think this is used both for ioctls with too many > parameters to encode them with the standard RPC ID mapping scheme, and > for ioctls with "problematic" parameters like these?
Perhaps. I don't know any such example. Samuel
