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feat(launcher): Process.*, Http.save_to/received/expected, App.window_hide/show

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Process.spawn/poll/kill/free - non-blocking child processes with no shell: posix_spawn on
macOS (process.ll), CreateProcessW with MSVC-quoted arguments and no console window on
Windows (process_win.ll), linked only when a program uses Process.*.

Http.save_to streams a response body into a file (NSURLSession with a run-time delegate
class on macOS, the WinHTTP read loop on Windows); Http.received / Http.expected report
progress while it is pending. Freeing a pending request cancels it and parks the slot
until the worker has finished.

App.window_hide / App.window_show take the game's window off the screen and back without
closing it; the run goes on while hidden. Docs, examples, tests and a changeset.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-09-17 13:32:23 +03:00
parent c1db0d71ed
commit 43d5eb5b88
31 changed files with 89274 additions and 86727 deletions
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docs/language/process/_section.md Normal file
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---
id: process
title: Process
order: 10
---
Child processes, started and polled — what a launcher is made of. <a href="process-spawn.html"><code>Process.spawn</code></a> starts a program directly, with no shell, and returns at once; each frame <a href="process-poll.html"><code>Process.poll</code></a> answers <code>-1</code> while the child runs and its exit code once it has ended, so a crash is a non-zero code the game can act on. <a href="process-kill.html"><code>Process.kill</code></a> ends a child and <a href="process-free.html"><code>Process.free</code></a> lets a handle go. Pair it with <a href="../app/app-window_hide.html"><code>App.window_hide</code></a> to step aside while the child runs.
The child inherits the environment and the working directory. <code>posix_spawn</code> on macOS; <code>CreateProcessW</code> on Windows, with each argument quoted by the MSVC rules and no console window. Like <code>Http.*</code> it is <strong>out-of-band</strong> and must never feed the deterministic lockstep/replay simulation.