From 31d76a1702e930b48a3041fbf0b37c325d2c9bf2 Mon Sep 17 00:00:00 2001
From: Mike Yuan <me@yhndnzj.com>
Date: Sun, 21 Jul 2024 22:50:58 +0200
Subject: [PATCH] missing_socket: add SCM_PASSPIDFD and SCM_PIDFD

Preparation for later commits.
---
 src/basic/missing_socket.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/basic/missing_socket.h b/src/basic/missing_socket.h
index 47cc7626aa3..5d9c5b483d9 100644
--- a/src/basic/missing_socket.h
+++ b/src/basic/missing_socket.h
@@ -51,6 +51,10 @@ struct sockaddr_vm {
 #define SO_PEERGROUPS 59
 #endif
 
+#ifndef SO_PASSPIDFD
+#define SO_PASSPIDFD 76
+#endif
+
 #ifndef SO_PEERPIDFD
 #define SO_PEERPIDFD 77
 #endif
@@ -72,11 +76,14 @@ struct sockaddr_vm {
 #define SOL_SCTP 132
 #endif
 
-/* Not exposed yet. Defined in include/linux/socket.h */
 #ifndef SCM_SECURITY
 #define SCM_SECURITY 0x03
 #endif
 
+#ifndef SCM_PIDFD
+#define SCM_PIDFD 0x04
+#endif
+
 /* netinet/in.h */
 #ifndef IP_FREEBIND
 #define IP_FREEBIND 15