From 6613ae0f8f6843b867af72c1331fd2567aa72ab9 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 24 Apr 2022 21:57:52 -0700
Subject: [PATCH] libuv: starting Tty impl

---
 src/Command.zig    |  2 +-
 src/libuv/Tty.zig  | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 src/libuv/main.zig |  2 ++
 3 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 src/libuv/Tty.zig

diff --git a/src/Command.zig b/src/Command.zig
index 264c20af7..3d344459f 100644
--- a/src/Command.zig
+++ b/src/Command.zig
@@ -295,7 +295,7 @@ test "Command: pre exec" {
         .path = "/usr/bin/env",
         .args = &.{ "/usr/bin/env", "--version" },
         .pre_exec = (struct {
-            fn do() void {
+            fn do(_: *Command) void {
                 // This runs in the child, so we can exit and it won't
                 // kill the test runner.
                 os.exit(42);
diff --git a/src/libuv/Tty.zig b/src/libuv/Tty.zig
new file mode 100644
index 000000000..0887a0503
--- /dev/null
+++ b/src/libuv/Tty.zig
@@ -0,0 +1,46 @@
+//! Tty handles represent a stream for the console.
+const Tty = @This();
+
+const std = @import("std");
+const fd_t = std.os.fd_t;
+const Allocator = std.mem.Allocator;
+const testing = std.testing;
+const c = @import("c.zig");
+const errors = @import("error.zig");
+const Loop = @import("Loop.zig");
+const Handle = @import("handle.zig").Handle;
+const Pty = @import("../Pty.zig");
+
+handle: *c.uv_tty_t,
+
+pub usingnamespace Handle(Tty);
+
+pub fn init(alloc: Allocator, loop: Loop, fd: fd_t) !Tty {
+    var tty = try alloc.create(c.uv_tty_t);
+    errdefer alloc.destroy(tty);
+    try errors.convertError(c.uv_tty_init(loop.loop, tty, fd, 0));
+    return Tty{ .handle = tty };
+}
+
+pub fn deinit(self: *Tty, alloc: Allocator) void {
+    alloc.destroy(self.handle);
+    self.* = undefined;
+}
+
+test "Tty" {
+    var pty = try Pty.open(.{
+        .ws_row = 20,
+        .ws_col = 80,
+        .ws_xpixel = 0,
+        .ws_ypixel = 0,
+    });
+    defer pty.deinit();
+
+    var loop = try Loop.init(testing.allocator);
+    defer loop.deinit(testing.allocator);
+    var tty = try init(testing.allocator, loop, pty.slave);
+    defer tty.deinit(testing.allocator);
+
+    tty.close(null);
+    _ = try loop.run(.default);
+}
diff --git a/src/libuv/main.zig b/src/libuv/main.zig
index c6c65f00b..1ac34de4d 100644
--- a/src/libuv/main.zig
+++ b/src/libuv/main.zig
@@ -1,6 +1,7 @@
 pub const Loop = @import("Loop.zig");
 pub const Async = @import("Async.zig");
 pub const Timer = @import("Timer.zig");
+pub const Tty = @import("Tty.zig");
 pub const Sem = @import("Sem.zig");
 pub const Thread = @import("Thread.zig");
 pub const Error = @import("error.zig").Error;
@@ -13,6 +14,7 @@ test {
     _ = Loop;
     _ = Async;
     _ = Timer;
+    _ = Tty;
     _ = Sem;
     _ = Thread;
     _ = Error;