From 6e8f9c375acdca0744f4bb784c202cdc46ca5f62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Gr=C3=A9goire?= <loic@gregoire.dev>
Date: Mon, 7 Sep 2026 19:35:39 -0400
Subject: [PATCH] ex: remove console

---
 src/ex/console.zig | 133 ---------------------------------------------
 src/ex/init.zig    |   1 -
 src/ex/private.zig |   1 -
 src/ex/root.zig    |   6 --
 4 files changed, 141 deletions(-)
 delete mode 100644 src/ex/console.zig

diff --git a/src/ex/console.zig b/src/ex/console.zig
deleted file mode 100644
index 91b1480..0000000
--- a/src/ex/console.zig
+++ /dev/null
@@ -1,133 +0,0 @@
-//! Logging (for now) consoles.
-const std = @import("std");
-const r = @import("root");
-const rtl = @import("rtl");
-const ke = r.ke;
-const ps = r.ps;
-const ex = r.ex;
-
-pub const Console = struct {
-    link: rtl.List.Entry,
-    write: *const fn (ctx: ?*anyopaque, slice: []const u8) void,
-    ctx: ?*anyopaque,
-};
-
-const ConWriter = struct {
-    interface: std.Io.Writer,
-    console: *Console,
-
-    pub fn init(console: *Console) ConWriter {
-        return .{
-            .interface = .{
-                .vtable = &.{ .drain = drain },
-                .buffer = &.{},
-                .end = 0,
-            },
-            .console = console,
-        };
-    }
-
-    fn drain(
-        w: *std.Io.Writer,
-        data: []const []const u8,
-        _: usize,
-    ) std.Io.Writer.Error!usize {
-        const self: *ConWriter = @fieldParentPtr("interface", w);
-        var total_written: usize = 0;
-        for (data) |slice| {
-            self.console.write(self.console.ctx, slice);
-            total_written += slice.len;
-        }
-
-        return total_written;
-    }
-};
-
-var console_list: rtl.List = undefined;
-var console_lock: ke.Mutex = .init();
-var last_seq: usize = 0;
-
-fn write_on(buf: []u8, rec: anytype, console: *Console) void {
-    var writer = ConWriter.init(console);
-    writer.interface.writeAll(buf[0..rec.length]) catch unreachable;
-}
-
-fn drain_from_on(seq: usize, console: *Console) usize {
-    var cur_seq: usize = seq;
-    var buf: [1024]u8 = undefined;
-    while (true) {
-        const rec = ke.log.ringbuffer.read(cur_seq, &buf) catch break;
-
-        write_on(&buf, rec, console);
-
-        cur_seq += 1;
-    }
-
-    return cur_seq;
-}
-
-fn drain_from_all(seq: usize) usize {
-    var cur_seq: usize = seq;
-    var buf: [1024]u8 = undefined;
-    while (true) {
-        const rec = ke.log.ringbuffer.read(cur_seq, &buf) catch break;
-
-        console_lock.acquire();
-
-        var it = console_list.iterator();
-
-        while (it.next()) : (it.advance()) {
-            const console: *Console = @fieldParentPtr("link", it.get());
-            write_on(&buf, rec, console);
-        }
-
-        console_lock.release();
-
-        cur_seq += 1;
-    }
-
-    return cur_seq;
-}
-
-fn worker(_: ?*anyopaque) void {
-    while (true) {
-        _ = ke.wait.wait_one(&ke.log.event.hdr, "console_worker", .{}) catch
-            unreachable;
-        ke.log.event.reset();
-
-        last_seq = drain_from_all(last_seq);
-    }
-}
-
-pub fn write(buf: []const u8) void {
-    console_lock.acquire();
-
-    var it = console_list.iterator();
-
-    while (it.next()) : (it.advance()) {
-        const console: *Console = @fieldParentPtr("link", it.get());
-        console.write(console.ctx, buf);
-    }
-
-    console_lock.release();
-}
-
-pub fn register(cons: *Console) void {
-    // Drain all logs until now.
-    _ = drain_from_on(0, cons);
-
-    console_lock.acquire();
-    console_list.insert_tail(&cons.link);
-    console_lock.release();
-}
-
-pub fn init() void {
-    console_list.init();
-
-    const td = ps.thread.create_kernel(
-        .Default,
-        .{ .func = worker, .arg = null },
-        true,
-    ) catch @panic("handle me");
-    ke.sched.enqueue(&td.kern);
-}
diff --git a/src/ex/init.zig b/src/ex/init.zig
index 8879a89..a1f13ec 100644
--- a/src/ex/init.zig
+++ b/src/ex/init.zig
@@ -16,7 +16,6 @@ pub fn init() void {
     mm.late_init();
     ke.sched.late_init();
     exp.work.init() catch @panic("e");
-    exp.console.init();
     exp.string.init();
 
     if (r.boot_info.cmdline) |cline| {
diff --git a/src/ex/private.zig b/src/ex/private.zig
index 9d495da..b0da270 100644
--- a/src/ex/private.zig
+++ b/src/ex/private.zig
@@ -1,5 +1,4 @@
 pub const init_mod = @import("init.zig");
 pub const work = @import("work.zig");
 pub const init = init_mod.init;
-pub const console = @import("console.zig");
 pub const string = @import("string.zig");
diff --git a/src/ex/root.zig b/src/ex/root.zig
index e109902..9c0d559 100644
--- a/src/ex/root.zig
+++ b/src/ex/root.zig
@@ -4,7 +4,6 @@ const p = private;
 
 pub const WorkItem = p.work.WorkItem;
 pub const DelayedWorkItem = p.work.DelayedWorkItem;
-pub const Console = p.console.Console;
 pub const InternedString = p.string.InternedString;
 
 pub const init = p.init;
@@ -14,11 +13,6 @@ pub const work = struct {
     pub const enqueue_in = p.work.enqueue_in;
 };
 
-pub const console = struct {
-    pub const register = p.console.register;
-    pub const write = p.console.write;
-};
-
 pub const string = struct {
     pub const retain = p.string.retain;
     pub const release = p.string.release;