Messages in this thread | | | Date | Mon, 02 Jun 2014 16:33:33 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [RFC 11/32] xfs: convert to struct inode_time |
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On 06/02/2014 04:32 PM, Theodore Ts'o wrote: > 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: >>> >>> 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; > } >
OK, I guess I should have said... other than for -EFAULT.
I just don't know of anyone using time(2) with an argument other than NULL.
-hpa
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