From d2bca43f5ddbdd19e560600b83c870a7fc71b9ce Mon Sep 17 00:00:00 2001
From: pfg <pfg@pfg.pw>
Date: Mon, 23 Jun 2025 18:21:18 -0700
Subject: [PATCH] [skip ci] futex_wait/wake -> 4arg/3arg

---
 src/futex.zig | 16 ++++++++--------
 src/sync.zig  | 12 ++++++------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/src/futex.zig b/src/futex.zig
index 76ae3ab0ff..46cd6f6d7a 100644
--- a/src/futex.zig
+++ b/src/futex.zig
@@ -223,10 +223,10 @@ const LinuxImpl = struct {
         else
             undefined;
 
-        const rc = linux.futex_wait(
-            @as(*const i32, @ptrCast(&ptr.raw)),
-            linux.FUTEX.PRIVATE_FLAG | linux.FUTEX.WAIT,
-            @as(i32, @bitCast(expect)),
+        const rc = linux.futex_4arg(
+            &ptr.raw,
+            .{ .cmd = .WAIT, .private = true },
+            expect,
             if (timeout != null) &ts else null,
         );
 
@@ -245,10 +245,10 @@ const LinuxImpl = struct {
     }
 
     fn wake(ptr: *const atomic.Value(u32), max_waiters: u32) void {
-        const rc = linux.futex_wake(
-            @as(*const i32, @ptrCast(&ptr.raw)),
-            linux.FUTEX.PRIVATE_FLAG | linux.FUTEX.WAKE,
-            std.math.cast(i32, max_waiters) orelse std.math.maxInt(i32),
+        const rc = linux.futex_3arg(
+            &ptr.raw,
+            .{ .cmd = .WAKE, .private = true },
+            max_waiters,
         );
 
         switch (linux.E.init(rc)) {
diff --git a/src/sync.zig b/src/sync.zig
index 1f0b524048..594d20c2c8 100644
--- a/src/sync.zig
+++ b/src/sync.zig
@@ -1189,10 +1189,10 @@ else
 const Futex = switch (@import("builtin").os.tag) {
     .linux => struct {
         fn wait(ptr: *const i32, cmp: i32) void {
-            switch (system.getErrno(system.futex_wait(
+            switch (system.getErrno(system.futex_4arg(
                 ptr,
-                system.FUTEX.PRIVATE_FLAG | system.FUTEX.WAIT,
-                cmp,
+                .{ .cmd = .WAIT, .private = true },
+                @bitCast(cmp),
                 null,
             ))) {
                 0 => {},
@@ -1203,10 +1203,10 @@ const Futex = switch (@import("builtin").os.tag) {
         }
 
         fn wake(ptr: *const i32) void {
-            switch (system.getErrno(system.futex_wake(
+            switch (system.getErrno(system.futex_3arg(
                 ptr,
-                system.FUTEX.PRIVATE_FLAG | system.FUTEX.WAKE,
-                @as(i32, 1),
+                .{ .cmd = .WAKE, .private = true },
+                1,
             ))) {
                 0 => {},
                 std.posix.EFAULT => {},