From eb05de73bf3d846d89c75177a6180760b83d434f Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sun, 15 Feb 2026 16:45:54 -0800
Subject: [PATCH] add memfd_create

---
 mod.zig  | 7 +++++++
 test.zig | 1 +
 2 files changed, 8 insertions(+)

diff --git a/mod.zig b/mod.zig
index 0adf8ccae38f16a2de1d2a14eb15b89788b5e51e..8e858095c92e8d42271a6d09c95e1c0b291bf746 100644
--- a/mod.zig
+++ b/mod.zig
@@ -2632,6 +2632,7 @@ pub const libc = struct {
     pub extern fn __errno_location() *c_int;
     pub extern fn gettid() pid_t;
     pub extern fn accept4(socket: c_int, noalias address: ?*struct_sockaddr, noalias address_len: *socklen_t, flags: c_int) c_int;
+    pub extern fn memfd_create(name: [*:0]const u8, flags: c_uint) c_int;
 };
 
 pub const clock_t = c_long;
@@ -3130,3 +3131,9 @@ pub fn clock_gettime(clock_id: clockid_t) !struct_timespec {
     std.debug.assert(rc == 0);
     return tp;
 }
+pub fn memfd_create(name: [*:0]const u8, flags: c_uint) !c_int {
+    const rc = libc.memfd_create(name, flags);
+    if (rc == -1) return errno.fromInt(errno.fromLibC());
+    std.debug.assert(rc >= 0);
+    return rc;
+}
diff --git a/test.zig b/test.zig
index ff8468da0655681e71d891c00452fd87e90015fc..fa77a4ada674e8f42c3c8154c816fbc981f4e5a8 100644
--- a/test.zig
+++ b/test.zig
@@ -28,4 +28,5 @@ test {
     _ = &linux.getaddrinfo;
     _ = &linux.freeaddrinfo;
     _ = &linux.clock_gettime;
+    _ = &linux.memfd_create;
 }
-- 
2.54.0