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| author | Sergey Bugaev <bugaevc@gmail.com> | 2023-04-27 17:42:11 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-04-29 17:01:52 +0200 |
| commit | 0ab341b247fc1c2cd101a87c78f38d2da00c335c (patch) | |
| tree | ee9be1053d62b23306d6bdd7fe78fcb874f02435 /misc | |
| parent | f56ad6174c62aa38f7edf68167d620482b776dc9 (diff) | |
| download | glibc-0ab341b247fc1c2cd101a87c78f38d2da00c335c.tar.gz glibc-0ab341b247fc1c2cd101a87c78f38d2da00c335c.tar.xz glibc-0ab341b247fc1c2cd101a87c78f38d2da00c335c.zip | |
cdefs.h: Define __COLD
This expands to __attribute__ ((cold)) when supported. It should be used to mark up functions that are invoked rarely. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/sys/cdefs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 23ec0ebd2a..9a07e297a6 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -98,6 +98,12 @@ # endif # endif +# if __GNUC_PREREQ (4, 3) || __glibc_has_attribute (__cold__) +# define __COLD __attribute__ ((__cold__)) +# else +# define __COLD +# endif + #else /* Not GCC or clang. */ # if (defined __cplusplus \ @@ -110,6 +116,7 @@ # define __THROW # define __THROWNL # define __NTH(fct) fct +# define __COLD #endif /* GCC || clang. */ |