On Mon, Jun 02, 2014 at 03:32:35PM -0700, H. Peter Anvin wrote:

On 06/02/2014 03:29 PM, Theodore Ts'o wrote:

quoted

And since we are already returning (time_t) -1 in some cases, we might
as well try to make things a bit more formal.

Are we?  I am not aware of *Linux* actually using that.

Linux's time(2) can return (time_t) -1 and set errno to EFAULT, per
the Posix specification:

SYSCALL_DEFINE1(time, time_t __user *, tloc)
{
	time_t i = get_seconds();

	if (tloc) {
		if (put_user(i,tloc))
			return -EFAULT;
	}
	force_successful_syscall_return();
	return i;
}

Cheers,

						- Ted

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