Date: Sat, 14 Sep 2024 13:42:28 +0300 From: Konstantin Belousov <kib@freebsd.org> To: Paul Floyd <paulf2718@gmail.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: ioctls that return file descriptors Message-ID: <ZuVolA_iLwFrg6V9@kib.kiev.ua> In-Reply-To: <fa8d2b6f-2819-4e8d-99eb-997f2c0acdb8@gmail.com> References: <fa8d2b6f-2819-4e8d-99eb-997f2c0acdb8@gmail.com>
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On Sat, Sep 14, 2024 at 10:10:14AM +0000, Paul Floyd wrote: > Hi > > Does anyone know of any FreeBSD ioctls that return file descriptors? > > An example from Linux is DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD. I expect that the same ioctl is implemented by the FreeBSD drm kmod. For in-tree, you could search for falloc_caps() calls. Quick grep shows it is only used by expected syscalls, not by drivers.
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