public inbox for glibc-cvs@sourceware.org
help / color / mirror / Atom feed
From: Samuel Thibault <sthibaul@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc] cdefs.h: Define __COLD
Date: Sat, 29 Apr 2023 15:02:15 +0000 (GMT)	[thread overview]
Message-ID: <20230429150215.B41443858C27@sourceware.org> (raw)

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.  */

                 reply	other threads:[~2023-04-29 15:02 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230429150215.B41443858C27@sourceware.org \
    --to=sthibaul@sourceware.org \
    --cc=glibc-cvs@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
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).