Re: [Qemu-trivial] [Qemu-devel] [PATCH 00/26] trivial: use exit(EXIT_SUCCESS) and exit(EXIT_FAILURE)

[Markus Armbruster]

Peter Maydell <address@hidden> writes:

> On 16 September 2016 at 16:39, Daniel P. Berrange <address@hidden> wrote:
>> On Fri, Sep 16, 2016 at 03:47:37PM +0100, Peter Maydell wrote:
>>> On 16 September 2016 at 14:55, Laurent Vivier <address@hidden> wrote:
>>> > This series is the result of coccinelle patch
>>> > scripts/coccinelle/exit.cocci
>>> > provided by the first patch of the series.
>>> >
>>> > It replaces exit(0) by exit(EXIT_SUCCESS)
>>> > and exit(1) by exit(EXIT_FAILURE).
>>> >
>>> > All other exit() are not modified as we don't want
>>> > to change the behavior.
>>> >
>>> > In some cases, I've added manually a line break to comply
>>> > with the maximum line length.
>>>
>>> >  182 files changed, 734 insertions(+), 715 deletions(-)
>>>
>>> You don't say why this is a useful change to make, and it's an
>>> awful lot of churn for a stylistic issue...
>>
>> Currently QEMU uses a mix of at least
>>
>>   exit(EXIT_SUCCESS)
>>   exit(EXIT_FAILURE)
>>   exit(1)
>>   exit(-1)
>>   _exit(1)
>>   _exit(0);
>>
>> so this series has the potential giving us more consistency style
>> and behaviour, across our code. By not fixing the up the usage of -1,
>> or fixing the _exit() usage, the series feels incomplete to me though.
>
> -1 is just a bug which we should fix (as Eric says). I don't
> see the point in converting all our 0s and 1s to EXIT_SUCCESS
> and EXIT_FAILURE though. (It would be less churn to convert the
> uses of EXIT_* to 0 and 1...)

Seconded.