From 425c86179791cd32e2d4ce0ae7f269940b4b0663 Mon Sep 17 00:00:00 2001
From: Can Celik <ogulcancelik@gmail.com>
Date: Thu, 10 Sep 2026 21:51:57 +0300
Subject: chore: upgrade libghostty and preserve terminal behavior (#3906)

---
 vendor/libghostty-vt/src/benchmark/Benchmark.zig | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'vendor/libghostty-vt/src/benchmark/Benchmark.zig')

diff --git a/vendor/libghostty-vt/src/benchmark/Benchmark.zig b/vendor/libghostty-vt/src/benchmark/Benchmark.zig
index 41c3695d..d45ba181 100644
--- a/vendor/libghostty-vt/src/benchmark/Benchmark.zig
+++ b/vendor/libghostty-vt/src/benchmark/Benchmark.zig
@@ -6,6 +6,7 @@ const builtin = @import("builtin");
 const assert = std.debug.assert;
 const macos = @import("macos");
 const build_config = @import("../build_config.zig");
+const global = @import("../global.zig");
 
 ptr: *anyopaque,
 vtable: VTable,
@@ -64,21 +65,23 @@ pub fn run(
         signpost.log.release();
     };
 
-    const start = std.time.Instant.now() catch return error.BenchmarkFailed;
+    const start: std.Io.Timestamp = .now(global.io(), .awake);
     while (true) {
         // Run our step function. If it fails, we return the error.
         try self.vtable.stepFn(self.ptr);
         result.iterations += 1;
 
         // Get our current monotonic time and check our exit conditions.
-        const now = std.time.Instant.now() catch return error.BenchmarkFailed;
+        const now: std.Io.Timestamp = .now(global.io(), .awake);
+        const elapsed = start.durationTo(now).nanoseconds;
+        assert(elapsed >= 0);
         const exit = switch (mode) {
             .once => true,
-            .duration => |ns| now.since(start) >= ns,
+            .duration => |ns| elapsed >= ns,
         };
 
         if (exit) {
-            result.duration = now.since(start);
+            result.duration = @as(u64, @intCast(std.math.clamp(elapsed, 0, std.math.maxInt(u64))));
             return result;
         }
     }
-- 
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