diff options
Diffstat (limited to 'sysdeps/mach/bits/libc-lock.h')
| -rw-r--r-- | sysdeps/mach/bits/libc-lock.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/mach/bits/libc-lock.h b/sysdeps/mach/bits/libc-lock.h index 57c36cba0b..2484297c8a 100644 --- a/sysdeps/mach/bits/libc-lock.h +++ b/sysdeps/mach/bits/libc-lock.h @@ -76,21 +76,21 @@ typedef cthread_key_t __libc_key_t; /* Start a critical region with a cleanup function */ -#define __libc_cleanup_region_start(FCT, ARG) \ +#define __libc_cleanup_region_start(DOIT, FCT, ARG) \ { \ - typeof (***(FCT)) *__save_FCT = FCT; \ + typeof (***(FCT)) *__save_FCT = (DOIT) ? (FCT) : 0; \ typeof (ARG) __save_ARG = ARG; \ /* close brace is in __libc_cleanup_region_end below. */ /* End a critical region started with __libc_cleanup_region_start. */ #define __libc_cleanup_region_end(DOIT) \ - if (DOIT) \ + if ((DOIT) && __save_FCT != 0) \ (*__save_FCT)(__save_ARG); \ } /* Sometimes we have to exit the block in the middle. */ #define __libc_cleanup_end(DOIT) \ - if (DOIT) \ + if ((DOIT) && __save_FCT != 0) \ (*__save_FCT)(__save_ARG); \ |