[PATCH] Cygwin: kill(1): skip kill(2) call if '-f -s -' is used

[Christian Franke]

Brian Inglis wrote:
> On 2025-04-27 12:22, Jon Turney wrote:
>> On 15/04/2025 10:02, Christian Franke wrote:
>>> Hi Takashi,
>>>
>>> Takashi Yano wrote:
>>>> Hi Christian,
>>>>
>>>> On Fri, 11 Apr 2025 16:46:07 +0200
>>>> Christian Franke wrote:
>>>>> In rare cases, '/bin/kill -f PID' hangs because kill(2) is always 
>>>>> tried
>>>>> first. With this patch, this could be prevented with '/bin/kill -f 
>>>>> -s -
>>>>> PID'.
>>
>> As it currently stands, the -f flag to kill seems a bit misdesigned, 
>> i.e. if the signal isn't SIGKILL, -f shouldn't be accepted?
>
> Docs say -f uses Win32 interface so SIG... is irrelevant?
>

No, the current logic is:
If -f is specified, Win32 TerminateProcess() is called after 'kill(pid, 
SIG...)' failed or if the process does not terminate within 200ms after 
kill() succeeded.

-- 
Regards,
Christian