[libc-commits] [libc] 61679c3 - [libc] Add protocol family constants (#206911)

[via libc-commits]

Author: Pavel Labath
Date: 2026-07-06T10:06:59+02:00
New Revision: 61679c3a299b2a858642feb805a5b383ae7d0902

URL: https://github.com/llvm/llvm-project/commit/61679c3a299b2a858642feb805a5b383ae7d0902
DIFF: https://github.com/llvm/llvm-project/commit/61679c3a299b2a858642feb805a5b383ae7d0902.diff

LOG: [libc] Add protocol family constants (#206911)

These aren't in POSIX, but are in 4.2BSD and they're still widely used.

Added: 
    

Modified: 
    libc/include/llvm-libc-macros/linux/sys-socket-macros.h

Removed: 
    


################################################################################
diff  --git a/libc/include/llvm-libc-macros/linux/sys-socket-macros.h b/libc/include/llvm-libc-macros/linux/sys-socket-macros.h
index 1d38d840aa342..5478521be02b6 100644
--- a/libc/include/llvm-libc-macros/linux/sys-socket-macros.h
+++ b/libc/include/llvm-libc-macros/linux/sys-socket-macros.h
@@ -18,6 +18,13 @@
 #define AF_INET 2   // Internet IPv4 Protocol
 #define AF_INET6 10 // IP version 6
 
+// 4.2BSD protocol families
+#define PF_UNSPEC AF_UNSPEC
+#define PF_UNIX AF_UNIX
+#define PF_LOCAL AF_LOCAL
+#define PF_INET AF_INET
+#define PF_INET6 AF_INET6
+
 #define SOCK_STREAM 1
 #define SOCK_DGRAM 2
 #define SOCK_RAW 3