diff options
Diffstat (limited to 'usr/src/lib/libc')
| -rw-r--r-- | usr/src/lib/libc/inc/thr_uberdata.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/usr/src/lib/libc/inc/thr_uberdata.h b/usr/src/lib/libc/inc/thr_uberdata.h index ac7af4ce29..678f68895f 100644 --- a/usr/src/lib/libc/inc/thr_uberdata.h +++ b/usr/src/lib/libc/inc/thr_uberdata.h @@ -905,15 +905,24 @@ typedef struct _qexthdlr { _quick_exithdlr_func_t hdlr; /* handler itself */ } _qexthdlr_t; +/* + * We add a pad on 32-bit systems to allow us to always have the structure size + * be 32-bytes which helps us deal with the compiler's alignment when building + * in ILP32 / LP64 systems. + */ typedef struct { mutex_t exitfns_lock; _qexthdlr_t *head; +#if !defined(_LP64) + uint32_t pad; +#endif } quickexit_root_t; #ifdef _SYSCALL32 typedef struct { mutex_t exitfns_lock; caddr32_t head; + uint32_t pad; } quickexit_root32_t; #endif /* _SYSCALL32 */ |