public inbox for glibc-cvs@sourceware.org
help / color / mirror / Atom feed
* [glibc] cdefs.h: Define __COLD
@ 2023-04-29 15:02 Samuel Thibault
  0 siblings, 0 replies; only message in thread
From: Samuel Thibault @ 2023-04-29 15:02 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0ab341b247fc1c2cd101a87c78f38d2da00c335c

commit 0ab341b247fc1c2cd101a87c78f38d2da00c335c
Author: Sergey Bugaev <bugaevc@gmail.com>
Date:   Thu Apr 27 17:42:11 2023 +0300

    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>

Diff:
---
 misc/sys/cdefs.h | 7 +++++++
 1 file changed, 7 insertions(+)

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.  */

^ permalink raw reply	[flat|nested] only message in thread
only message in thread, other threads:[~2023-04-29 15:02 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-04-29 15:02 [glibc] cdefs.h: Define __COLD Samuel Thibault

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).