diff options
Diffstat (limited to 'nptl/descr.h')
| -rw-r--r-- | nptl/descr.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/nptl/descr.h b/nptl/descr.h index efb25c7479..7fd64ecb39 100644 --- a/nptl/descr.h +++ b/nptl/descr.h @@ -99,11 +99,7 @@ struct pthread #if !TLS_DTV_AT_TP /* This overlaps the TCB as used for TLS without threads (see tls.h). */ tcbhead_t header; -#elif TLS_MULTIPLE_THREADS_IN_TCB - struct - { - int multiple_threads; - } header; +# define p_multiple_threads(descr) (descr)->header.multiple_threads #endif /* This extra padding has no special purpose, and this structure layout @@ -232,6 +228,21 @@ struct pthread size_t stackblock_size; /* Size of the included guard area. */ size_t guardsize; + +#if TLS_DTV_AT_TP && TLS_MULTIPLE_THREADS_IN_TCB + /* Must come last. */ + int __multiple_threads; +# define p_multiple_threads(descr) \ + ((union \ + { \ + struct pthread s; \ + struct \ + { \ + char dummy[sizeof (struct pthread) - sizeof (int)]; \ + int multiple_threads; \ + } m; \ + } *)(descr)->m.multiple_threads) +#endif } __attribute ((aligned (TCB_ALIGNMENT))); |