From 10a7cf58c1530e004e5ccb1a81f02aa86ab51dd1 Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Tue, 9 May 2023 14:24:08 +0100
Subject: [PATCH] std.c: adding freebsd's domainset_t bitset

---
 lib/std/c/freebsd.zig | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/std/c/freebsd.zig b/lib/std/c/freebsd.zig
index e035a408d0..ce694aa1db 100644
--- a/lib/std/c/freebsd.zig
+++ b/lib/std/c/freebsd.zig
@@ -10,7 +10,6 @@ pub const cpuset_t = extern struct {
     __bits: [(CPU_SETSIZE + (@bitSizeOf(c_long) - 1)) / @bitSizeOf(c_long)]c_long,
 };
 
-// TODO: can eventually serve for the domainset_t's type too.
 fn __BIT_COUNT(bits: []const c_long) c_long {
     var count: c_long = 0;
     for (bits) |b| {
@@ -2563,8 +2562,18 @@ pub const DOMAINSET = struct {
     pub const POLICY_MAX = DOMAINSET.POLICY_INTERLEAVE;
 };
 
+pub const DOMAINSET_SIZE = 256;
 pub const domainset_t = extern struct {
+    __bits: [(DOMAINSET_SIZE + (@sizeOf(domainset) - 1)) / @bitSizeOf(domainset)]domainset,
+};
+
+pub fn DOMAINSET_COUNT(set: domainset_t) c_int {
+    return @intCast(c_int, __BIT_COUNT(set.__bits[0..]));
+}
+
+pub const domainset = extern struct {
     link: LIST_ENTRY,
+    mask: domainset_t,
     policy: u16,
     prefer: domainid_t,
     cnt: domainid_t,