Re: [PATCH v5 08/24] util: add API to fetch the current thread name

On 1/9/26 12:56, Daniel P. Berrangé wrote:
> On Fri, Jan 09, 2026 at 12:49:20PM +0100, Paolo Bonzini wrote:
>> On 1/8/26 18:03, Daniel P. Berrangé wrote:
>>> +static __thread char namebuf[PTHREAD_MAX_NAMELEN_NP];
>>
>> ... you can instead of the previous patch, add a constructor here that just
>> sets namebuf to "main" with strcpy.
> 
> How about just a static initializer
> 
>    static __thread char namebuf[PTHREAD_MAX_NAMELEN_NP] = { 'm', 'a', 'i', 'n', '\0' };
> 
> or is there some interaction with __thread that makes that undesirable ?

This would break here:

     if (namebuf[0] != '\0') {
         return namebuf;
     }

and every thread would have "main" as the name, because static 
initializers for __thread apply to all threads.

Thanks,

Paolo