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7b95ff5126
* Fix #655: Join async threads before engine destruction to prevent heap-use-after-free Issues #632 and #636 (PRs #651 and #653) both stem from the same root cause: async threads spawned via async() can outlive the Dispatch_Engine, accessing shared state (global objects map, type maps) after it has been destroyed. The fix moves async() registration from the stdlib module into ChaiScript_Basic, where spawned threads are tracked via Dispatch_Engine. The engine's destructor now joins all outstanding async threads before destroying shared data structures. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * Address review: follow rule of 5, explicitly default move operations Requested by @lefticus in PR #656 review. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: leftibot <leftibot@users.noreply.github.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
// This file is distributed under the BSD License.
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// See "license.txt" for details.
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// Copyright 2009-2012, Jonathan Turner (jonathan@emptycrate.com)
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// and Jason Turner (jason@emptycrate.com)
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// http://www.chaiscript.com
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#ifndef CHAISCRIPT_STDLIB_HPP_
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#define CHAISCRIPT_STDLIB_HPP_
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#include <map>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "chaiscript_defines.hpp"
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#include "language/chaiscript_common.hpp"
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#include "dispatchkit/function_call.hpp"
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//#include "dispatchkit/dispatchkit.hpp"
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#include "dispatchkit/bootstrap.hpp"
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#include "dispatchkit/bootstrap_stl.hpp"
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#include "dispatchkit/operators.hpp"
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//#include "dispatchkit/boxed_value.hpp"
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#include "dispatchkit/register_function.hpp"
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#include "language/chaiscript_prelude.hpp"
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#include "utility/json_wrap.hpp"
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#ifndef CHAISCRIPT_NO_THREADS
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#include <future>
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#endif
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/// @file
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///
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/// This file generates the standard library that normal ChaiScript usage requires.
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namespace chaiscript {
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class Std_Lib {
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public:
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[[nodiscard]] static ModulePtr library() {
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auto lib = std::make_shared<Module>();
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bootstrap::Bootstrap::bootstrap(*lib);
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bootstrap::standard_library::vector_type<std::vector<Boxed_Value>>("Vector", *lib);
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bootstrap::standard_library::string_type<std::string>("string", *lib);
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bootstrap::standard_library::map_type<std::map<std::string, Boxed_Value>>("Map", *lib);
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bootstrap::standard_library::pair_type<std::pair<Boxed_Value, Boxed_Value>>("Pair", *lib);
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#ifndef CHAISCRIPT_NO_THREADS
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bootstrap::standard_library::future_type<std::future<chaiscript::Boxed_Value>>("future", *lib);
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// Note: async() is registered in ChaiScript_Basic::build_eval_system()
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// with thread tracking to prevent heap-use-after-free on engine destruction.
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#endif
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json_wrap::library(*lib);
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lib->eval(ChaiScript_Prelude::chaiscript_prelude() /*, "standard prelude"*/);
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return lib;
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}
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};
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} // namespace chaiscript
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#endif
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