git: 3fa957840354 - main - sockets: define shutdown(2) constants in cpp namespace

From: Gleb Smirnoff <glebius_at_FreeBSD.org>
Date: Wed, 27 Mar 2024 19:23:01 UTC
The branch main has been updated by glebius:

URL: https://cgit.FreeBSD.org/src/commit/?id=3fa957840354bb476c2f990b72cb2ee7339ac328

commit 3fa957840354bb476c2f990b72cb2ee7339ac328
Author:     Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2024-03-27 19:19:44 +0000
Commit:     Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2024-03-27 19:22:10 +0000

    sockets: define shutdown(2) constants in cpp namespace
    
    There is software that uses SHUT_RD, SHUT_WR as preprocessor defines and
    its build was broken by enum declaration.  Keep the enum, but provide
    defines to propagate the constants to cpp namespace.
    
    PR:             277994
    PR:             277995
    Fixes:          c3276e02beab825824e3147b31af33af66298430
---
 sys/sys/socket.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/sys/socket.h b/sys/sys/socket.h
index 91fafdec672a..9d46dac376d7 100644
--- a/sys/sys/socket.h
+++ b/sys/sys/socket.h
@@ -629,8 +629,11 @@ struct omsghdr {
  */
 enum shutdown_how {
 	SHUT_RD = 0,		/* shut down the reading side */
+#define	SHUT_RD		SHUT_RD
 	SHUT_WR,		/* shut down the writing side */
+#define	SHUT_WR		SHUT_WR
 	SHUT_RDWR		/* shut down both sides */
+#define	SHUT_RDWR	SHUT_RDWR
 };
 
 #if __BSD_VISIBLE