The time(2) man page conflicts with glibc
Andreas Schwab
schwab@suse.de
Tue Dec 15 15:12:00 GMT 2015
Zack Weinberg <zackw@panix.com> writes:
> On Tue, Dec 15, 2015 at 9:31 AM, Andreas Schwab <schwab@suse.de> wrote:
>> Zack Weinberg <zackw@panix.com> writes:
>>
>>> I did. The *actual system call* does indeed return -EFAULT when
>>> memory is invalid, which will be observed as 0xfffffffffffffff2 in the
>>> return value. However, the *vDSO shortcut* (which does not trap into
>>> the kernel) will just segfault the application. This is an observable
>>> ABI difference between statically and dynamically linked binaries.
>>
>> Undefined behaviour can change any time in any way and is not part of
>> the ABI.
>
> I should have said "observable behavior difference".
It doesn't matter.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."
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