From bd1332acaeabd7b846b4df7c63b1221858c80bf1 Mon Sep 17 00:00:00 2001
From: Ryan Zezeski <ryan@zinascii.com>
Date: Sat, 25 Oct 2025 10:38:41 +0200
Subject: [PATCH] std.c: define MSG constants for solaris/illumos

---
 lib/std/c.zig | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index 1a801733bd..bd2b93f5ff 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -5776,6 +5776,20 @@ pub const MSG = switch (native_os) {
         pub const FBLOCKING = 0x10000;
         pub const FNONBLOCKING = 0x20000;
     },
+    .solaris, .illumos => struct {
+        pub const OOB = 0x0001;
+        pub const PEEK = 0x0002;
+        pub const DONTROUTE = 0x0004;
+        pub const EOR = 0x0008;
+        pub const CTRUNC = 0x0010;
+        pub const TRUNC = 0x0020;
+        pub const WAITALL = 0x0040;
+        pub const DONTWAIT = 0x0080;
+        pub const NOTIFICATION = 0x0100;
+        pub const NOSIGNAL = 0x0200;
+        pub const CMSG_CLOEXEC = 0x1000;
+        pub const CMSG_CLOFORK = 0x2000;
+    },
     else => void,
 };
 pub const SOCK = switch (native_os) {