Re: [lwip-devel] Can we change sys_arch_sem_wait's timeout meaning?

[address@hidden]

Am 21.07.2021 um 14:06 schrieb 罗勇刚(Yonggang Luo):
>
>
> On Wed, Jul 21, 2021 at 5:44 PM Hans Petter Selasky <hps@selasky.org
> <mailto:hps@selasky.org>> wrote:
>>
>> On 7/5/21 12:11 PM, 罗勇刚(Yonggang Luo) wrote:
>> > In most os, timeout == 0 means waiting no time
>> > timeout ==-1 means wait infinite.
>> > Or we added a new API and deprecating sys_arch_sem_wait?
>>
>> Hi,
>>
>> Can you tell more about which OS uses 0 for infinite timeout?
>
> Most OS use 0 for zero timeout(no wait).
> But in lwip, sys_arch_sem_wait(0) means  infinite  timeout

Well, yes, the current state is not ideal. But I con't think that it is
worth the effort of breaking all existing ports by requiring them to
implement a new function where the timeout parameter has changed its
meaning.

Regards,
Simon