Re: Edge triggered epoll with pts devices acts as level triggered

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 8/12/05, Adam Langley <[email protected]> wrote:
> Waiting for edge triggered events (with EPOLLET) on pseudo terminal
> devices appears to act as if it were level triggered; when data is
> ready the fd is always returned by epoll_wait.

This occurs because writing to the terminal happens to cause a read
event to occur for pseudo terminals, but not for real terminals. This
is much less of a problem than the orginal message would suggest.


AGL

-- 
Adam Langley                                      [email protected]
http://www.imperialviolet.org                       (+44) (0)7906 332512
PGP: 9113   256A   CC0F   71A6   4C84   5087   CDA5   52DF   2CB6   3D60
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]
  Powered by Linux