From 93ee0b6a894e9cede29b87c42ab677052200e3d3 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sun, 20 Apr 2025 16:45:18 -0700
Subject: [PATCH] add vhangup

---
 mod.zig  | 8 +++++++-
 test.zig | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/mod.zig b/mod.zig
index f18407b238d231220194c2bbe64ff7783b8b91a6..a195871a612a95ca3e058a3dbcf26d21268f73b3 100644
--- a/mod.zig
+++ b/mod.zig
@@ -876,7 +876,13 @@ pub fn munlockall() errno.Error!c_int {
 // vhangup
 // int vhangup(void);
 // asmlinkage long sys_vhangup(void);
-pub const vhangup = @compileError("TODO: vhangup");
+pub fn vhangup() errno.Error!c_int {
+    const r = syscall0(.vhangup);
+    return switch (_errno(r)) {
+        .ok => @intCast(r),
+        _ => |c| errno.errorFromInt(@intFromEnum(c)),
+    };
+}
 
 // pivot_root
 // int syscall(SYS_pivot_root, const char *new_root, const char *put_old);
diff --git a/test.zig b/test.zig
index 52cb51db17fbec727d27262bb271cd9a6895aa53..a08f76083ebf80b4dfe34363e87a010eb0eaacef 100644
--- a/test.zig
+++ b/test.zig
@@ -20,4 +20,5 @@ test {
     _ = &linux.getpgrp;
     _ = &linux.setsid;
     _ = &linux.munlockall;
+    _ = &linux.vhangup;
 }
-- 
2.54.0