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| author | kib <kib@FreeBSD.org> | 2010-08-15 14:38:01 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2010-08-15 14:38:01 +0000 |
| commit | 11584466c49417fa46ca5d5fcfb6923dab98dae4 (patch) | |
| tree | 35151dc28bfe203fc5642ddb69992b0d9a0b6bbb | |
| parent | 915054f299ec27ac3346afa019e48f18f2298d2d (diff) | |
| download | FreeBSD-src-11584466c49417fa46ca5d5fcfb6923dab98dae4.zip FreeBSD-src-11584466c49417fa46ca5d5fcfb6923dab98dae4.tar.gz | |
Add convenience defines for hidden and default/exported attributes.
MFC after: 2 weeks
| -rw-r--r-- | sys/sys/cdefs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h index ad88d0c..f8456d8 100644 --- a/sys/sys/cdefs.h +++ b/sys/sys/cdefs.h @@ -305,6 +305,14 @@ #define __predict_false(exp) (exp) #endif +#if __GNUC_PREREQ__(4, 2) +#define __hidden __attribute((visibility("hidden"))) +#define __exported __attribute((visibility("default"))) +#else +#define __hidden +#define __exported +#endif + /* * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h> * require it. |
