diff options
Diffstat (limited to 'linuxthreads/descr.h')
-rw-r--r-- | linuxthreads/descr.h | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/linuxthreads/descr.h b/linuxthreads/descr.h index 2dcb37642a..dd496f6d0f 100644 --- a/linuxthreads/descr.h +++ b/linuxthreads/descr.h @@ -120,17 +120,14 @@ struct _pthread_descr_struct union dtv *dtvp; pthread_descr self; /* Pointer to this structure */ int multiple_threads; -#ifdef NEED_DL_SYSINFO +# define p_multiple_threads(descr) (descr)->p_header.data.multiple_threads +# ifdef NEED_DL_SYSINFO uintptr_t sysinfo; -#endif +# endif } data; void *__padding[16]; } p_header; -# define p_multiple_threads p_header.data.multiple_threads -#elif TLS_MULTIPLE_THREADS_IN_TCB - int p_multiple_threads; #endif - pthread_descr p_nextlive, p_prevlive; /* Double chaining of active threads */ pthread_descr p_nextwaiting; /* Next element in the queue holding the thr */ @@ -189,7 +186,22 @@ struct _pthread_descr_struct #endif size_t p_alloca_cutoff; /* Maximum size which should be allocated using alloca() instead of malloc(). */ - /* New elements must be added at the end. */ + /* New elements must be added at the end before __multiple_threads. */ +#if TLS_MULTIPLE_THREADS_IN_TCB + /* This field here isn't necessarily multiple_threads, which is really + the last integer in struct _pthread_descr_struct. */ + int __multiple_threads; +# define p_multiple_threads(descr) \ + (((union \ + { \ + struct _pthread_descr_struct s; \ + struct \ + { \ + char dummy[sizeof (struct _pthread_descr_struct) - sizeof (int)]; \ + int multiple_threads; \ + } m; \ + } *)(descr))->m.multiple_threads) +#endif } __attribute__ ((aligned(32))); /* We need to align the structure so that doubles are aligned properly. This is 8 bytes on MIPS and 16 bytes on MIPS64. |