diff options
| -rw-r--r-- | Python/thread_pthread.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h index 9058bf7..0485e66 100644 --- a/Python/thread_pthread.h +++ b/Python/thread_pthread.h @@ -27,9 +27,24 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. #include <stdlib.h> #include <pthread.h> +#ifdef _AIX + +#ifndef SCHED_BG_NP +/* SCHED_BG_NP is defined if using AIX DCE pthreads + * but it is unsupported by AIX 4 pthreads. Default + * attributes for AIX 4 pthreads equal to NULL. For + * AIX DCE pthreads they should be left unchanged. + */ +#define pthread_attr_default NULL +#define pthread_mutexattr_default NULL +#define pthread_condattr_default NULL +#endif + +#else #define pthread_attr_default ((pthread_attr_t *)0) #define pthread_mutexattr_default ((pthread_mutexattr_t *)0) #define pthread_condattr_default ((pthread_condattr_t *)0) +#endif /* A pthread mutex isn't sufficient to model the Python lock type * because, according to Draft 5 of the docs (P1003.4a/D5), both of the |