Re: Add pselect, ppoll system calls.

On Mon, Jun 13, 2005 at 05:29:37PM +0100, David Woodhouse wrote:
> On Mon, 2005-06-13 at 09:10 -0700, Ulrich Drepper wrote:
> > poll()'s timeout value is measrued in milliseconds.  Using a 32bit
> > value, as implied by using 'int' for the type, limits the mximum
> > timeout to be 2^31-1 milliseconds, which means about 24 days.
> 
> Ah, OK. I thought you were talking about the timespec in pselect(),
> because that's what you quoted. 
> 
> Yes, we should make the time for ppoll() a 64-bit value, so you can
> request a time period longer than 24 days. Shall we also switch to
> microseconds?

I think passing const struct timeval * or const struct timespec *
(depending if you want micro or nanoseconds) is better and what
other functions use for timeouts, then passing int64_t.

	Jakub
-
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/

---

• References:
  • Re: Add pselect, ppoll system calls.
    • From: Ulrich Drepper <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: bert hubert <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: David Woodhouse <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: Christoph Hellwig <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: Jakub Jelinek <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: David Woodhouse <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: Ulrich Drepper <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: David Woodhouse <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: Ulrich Drepper <[email protected]>
  • Re: Add pselect, ppoll system calls.
    • From: David Woodhouse <[email protected]>

• Prev by Date: Re: [PATCH] Adds support for TEA5767 chipset on V4L
• Next by Date: Re: [PATCH] Real-Time Preemption, using msecs_to_jiffies() instead of HZ
• Previous by thread: Re: Add pselect, ppoll system calls.
• Next by thread: Re: Add pselect, ppoll system calls.
• Index(es):
  • Date
  • Thread

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