How to figure out the file descriptor inside a driver?
cjhansson at hotmail.com
Mon Dec 15 15:44:18 UTC 2003
>>I'm writing a couple of new drivers and in one of them I want to map the
>>file descriptor that I receive when I open the driver with another
>>parameter when I call ioctl(). Is there some way to figure out the file
>>descriptor when I'm inside the driver routine?
>>Hope you understand the question!
>Do you mean file description in the integer sense (e.g. read()) or
>in the FILE * sense (e.g. fread())?
I mean in the integer number you receive when calling open() and not
fopen(). I want to find that number in the arguments when calling (e.g
read()) if possible.
Hela veckans väder http://www.msn.se/vader
More information about the users