2010/8/25 Ruben Van Boxem <vanboxem.ru...@gmail.com>:
>>
>> Brand new idea: I define
>> #define _GLIBCXX_HAS_GTHREADS 1
>>
>> This adds thread to std:: and allows me to see what undefined stuff there
>> is! Perfect, no? I'll keep you guys informed.
>>
>> Ruben
>
> Sorry for the SPAM...
>
> Some additional thoughts:
>
> 1. Mingw-w64 compilers define:
> GCC_GTHR_WIN32_H
>
> but only the 4.6 snapshots contain the actual header and implementation.
>
> 2. The GCC header
> lib\gcc\x86_64-w64-mingw32\4.5.0\include\c++\x86_64-w64-mingw32\bits\gthr.h
> will have to have a win32 threads case (around line 153, 4.6 snapshot) and
> include the gthr-win32.h header.
>
> 3. missing types and functions:
> __gthread_time_t will have to be defined to time.h's (actually
> sys/timeb.h's) struct timespec (as in gthr-posix.h).
> __gthread_cond_t is harder than the previous, see for example:
> http://www.cs.wustl.edu/~schmidt/win32-cv-1.html)
> ... (many more, but can't say for sure if the two above aren't the problem)
>
> 4. The defines above should be set by the compiler automatically (once
> everything works of course).
>
> Now I'm stuck :(
>
> Ruben
>
Ruben,
for this we need a posix emulation library, or have to implement in
gthr-win32.h such a beast. For details when __GTHREAD_CXX0X should be
set to 1, see in gcc/gthr.h
If the following are also defined, you should
#define __GTHREADS_CXX0X 1
to enable the c++0x thread library.
Types:
__gthread_t
__gthread_time_t
Interface:
int __gthread_create (__gthread_t *thread, void *(*func) (void*), void *args);
int __gthread_join (__gthread_t thread, void **value_ptr);
int __gthread_detach (__gthread_t thread);
int __gthread_equal (__gthread_t t1, __gthread_t t2);
__gthread_t __gthread_self (void);
int __gthread_yield (void);
int __gthread_mutex_timedlock (__gthread_mutex_t *m, const
__gthread_time_t *abs_timeout);
int __gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t
*m, const __gthread_time_t *abs_time);
int __gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t
*m, const __gthread_time_t *abs_time);
int __gthread_cond_signal (__gthread_cond_t *cond);
int __gthread_cond_timedwait (__gthread_cond_t *cond,
__gthread_mutex_t *mutex, const __gthread_time_t *abs_timeout);
int __gthread_cond_timedwait_recursive (__gthread_cond_t *cond,
__gthread_recursive_mutex_t *mutex, const __gthread_time_t *abs_time)
If this API is implemented for win32 native, then we can have c++0x
standard conformancy.
Regards,
Kai
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