Is d_mmap used ?

Kamal R. Prasad kamalpr at gmail.com
Sat Aug 27 13:39:27 GMT 2005


When you mmap() a device, the d_mmap member is used.
eg:- fd = open("/dev/abc", O_RDWR);
       my_addr = mmap(fd,...);
regards
-kamal

On 8/27/05, Hans Petter Selasky <hselasky at c2i.net> wrote:
> Hi,
> 
> 
> 
> I'm working on porting "/sys/fs/devfs" to NetBSD, and I noticed that it
> doesn't call "d_mmap" in "struct cdevsw". So is memory mapping of devices in
> "/dev" not supported. Or is "d_mmap" called from somewhere else ?
> 
> 
> 
> --HPS
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