Re: [Boost-users] Access to underlying system thread

From: Anthony Williams (anthony_w.geo_at_[hidden])
Date: 2008-04-10 11:47:37

Yang Zhang <yanghatespam_at_[hidden]> writes:

> Anthony Williams wrote:
>> Yang Zhang <yanghatespam_at_[hidden]> writes:
>> 
>>> Johan Råde wrote:
>>>> Yang Zhang wrote:
>>>>> Hi, I like using boost threads, but I'm currently working on a project 
>>>>> where I need to access the private handle to the underlying system 
>>>>> thread (in the cases I'm concerned about, the pthread_t).  This is so 
>>>>> that I can take advantage of platform-specific functionality, such as 
>>>>> setting CPU affinity and (more generally) calling into other libraries 
>>>>> that expect a pthread_t.  Is there any way to do get this handle?
>>>>>
>>>>> Thanks!
>>>>>
>>>> class thread
>>>> {
>>>> public:
>>>> ...
>>>>      typedef platform-specific-type native_handle_type;
>>>>      native_handle_type native_handle();
>>>> ...
>>>> };
>>> Hmm.  Looking at the source, this doesn't actually seem to be in 
>>> there...at least not in the latest release (1.35).
>> 
>> It's there for Win32 and not for pthreads. I'll add it for pthreads on trunk.
>> 
>> Anthony
>
> I see.
>
> While you're at it, would you mind also adding it uniformly to all the 
> other threading primitives (mutex, etc.)?

There isn't always a valid mapping (e.g. condition_variable_any, timed_mutex),
but I intend to add it where possible.

Anthony
-- 
Anthony Williams            | Just Software Solutions Ltd
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