From 36e0f7b3947c6fda4bd29568e67e0e8d9e301a7f Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Sun, 23 May 2021 12:25:54 -0400
Subject: [PATCH] linux::io_uring: add openat

Signed-off-by: Drew DeVault <sir@cmpwn.com>

---
 io_uring/sqe.ha | 14 ++++++++++++++

diff --git a/io_uring/sqe.ha b/io_uring/sqe.ha
index c2517d8cdc568b48134a011c0485231fa9e8aedb..eae9f0b0cf7ab4ffffc445bf21a0fa0ecbdbea87 100644
--- a/io_uring/sqe.ha
+++ b/io_uring/sqe.ha
@@ -285,6 +285,20 @@ 	sqe.accept_flags = aflags;
 	sqe.addr2 = addrlen;
 };
 
+// Prepares an [[sqe]] operation which opens a file. The path must be a C
+// string, i.e. NUL terminated; see [[strings::to_c]].
+export fn openat(
+	sqe: *sqe,
+	dirfd: int,
+	path: *const char,
+	oflags: int,
+	mode: uint,
+	flags: flags...
+) void = {
+	preprw(sqe, op::OPENAT, dirfd, path, mode, 0, flags...);
+	sqe.open_flags = oflags: u32;
+};
+
 // Prepares an [[sqe]] operation which closes a file descriptor.
 export fn close(sqe: *sqe, fd: int, flags: flags...) void = {
 	preprw(sqe, op::CLOSE, fd, null, 0, 0, flags...);

-- 
2.48.1