From 804319799586961052a9e4f283ad94d5018ce5fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sat, 31 Aug 2024 03:24:55 +0200
Subject: [PATCH] std.os.linux: Add clock_nanosleep() syscall wrapper.

---
 lib/std/os/linux.zig | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index 90298bc7cd..9039acedee 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -1456,6 +1456,16 @@ pub fn clock_settime(clk_id: i32, tp: *const timespec) usize {
     return syscall2(.clock_settime, @as(usize, @bitCast(@as(isize, clk_id))), @intFromPtr(tp));
 }
 
+pub fn clock_nanosleep(clockid: clockid_t, flags: TIMER, request: *const timespec, remain: ?*timespec) usize {
+    return syscall4(
+        .clock_nanosleep,
+        @intFromEnum(clockid),
+        @as(u32, @bitCast(flags)),
+        @intFromPtr(request),
+        @intFromPtr(remain),
+    );
+}
+
 pub fn gettimeofday(tv: ?*timeval, tz: ?*timezone) usize {
     return syscall2(.gettimeofday, @intFromPtr(tv), @intFromPtr(tz));
 }
@@ -4527,6 +4537,11 @@ pub const clockid_t = enum(u32) {
     _,
 };
 
+pub const TIMER = packed struct(u32) {
+    ABSTIME: bool,
+    _: u31 = 0,
+};
+
 pub const CSIGNAL = 0x000000ff;
 
 pub const CLONE = struct {