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feat(jobs): real OS threads - Job.parallel_for, fn name, thread-safe Sync

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- `fn name` names a top-level function as a value (E_FNREF, lowers to @fn_<name>); the worker
  entry point for Job.parallel_for, which checks it takes (int, pointer-like) and returns void.
- runtime/native/threads.ll (pthreads) and threads_win.ll (Win32 SRWLOCK/CONDITION_VARIABLE): a
  pool of one worker per core but one, parked between batches; every thread claims chunks by
  compare-and-swap. Linked only into programs that use Job/Promise/Sync, by `ludicc -o`,
  `ludic build` and the test suite's build helper.
- Sync.* is real: native mutexes, atomics as cmpxchg retry loops (neither clang takes atomicrw,
  the PC's rejects seq_consistent), mutex-guarded channels, Sync.cpu_count from the OS.
- spawn/despawn on a pool thread stop the program with a located panic.
- examples/library/threads.ludic and its test; docs for fn, Job.parallel_for, Job.is_worker.
- Reseeded (bootstrap-cfree: out.ll == seed.ll). 141/141 on macOS; jobs, threads and the guard
  pass on Windows from the reseeded Windows seed.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-15 13:52:22 +03:00
parent f5d1a62ccf
commit c10abd9f9f
22 changed files with 57464 additions and 55794 deletions
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2
tools/editors/shared/ludic.tmLanguage.json
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@ -184,7 +184,7 @@
{ "name": "keyword.operator.logical.ludic", "match": "\\b(and|or|not)\\b" },
{ "name": "keyword.other.clause.ludic", "match": "\\b(phase|query|on|cancellable|public|layer|start|shows|lasts|loads|then|export|internal)\\b" },
{ "name": "keyword.other.ludic", "match": "\\b(import|extern)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|prefab|namespace|enum|ui|const|var|let|function|handler|entry|event|scene|state|test)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|prefab|namespace|enum|ui|const|var|let|function|fn|handler|entry|event|scene|state|test)\\b" },
{ "name": "support.type.primitive.ludic", "match": "\\b(int|long|fixed|countdown|bool|entity|string|pointer|byte|words|fixeds|pointers|Vector|IVec2|Rect|void)\\b" },
{ "name": "constant.language.boolean.ludic", "match": "\\b(true|false|null)\\b" },
{ "name": "constant.language.phase.ludic", "match": "\\b(Start|Input|FixedUpdate|Update|LateUpdate|Render|Overlay)\\b" }

2
tools/editors/vscode/syntaxes/ludic.tmLanguage.json
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@ -184,7 +184,7 @@
{ "name": "keyword.operator.logical.ludic", "match": "\\b(and|or|not)\\b" },
{ "name": "keyword.other.clause.ludic", "match": "\\b(phase|query|on|cancellable|public|layer|start|shows|lasts|loads|then|export|internal)\\b" },
{ "name": "keyword.other.ludic", "match": "\\b(import|extern)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|prefab|namespace|enum|ui|const|var|let|function|handler|entry|event|scene|state|test)\\b" },
{ "name": "storage.type.ludic", "match": "\\b(program|property|model|prefab|namespace|enum|ui|const|var|let|function|fn|handler|entry|event|scene|state|test)\\b" },
{ "name": "support.type.primitive.ludic", "match": "\\b(int|long|fixed|countdown|bool|entity|string|pointer|byte|words|fixeds|pointers|Vector|IVec2|Rect|void)\\b" },
{ "name": "constant.language.boolean.ludic", "match": "\\b(true|false|null)\\b" },
{ "name": "constant.language.phase.ludic", "match": "\\b(Start|Input|FixedUpdate|Update|LateUpdate|Render|Overlay)\\b" }