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/* -*- indent-tabs-mode: nil; tab-width: 4; -*- */ /* Format with: * clang-format -i --style=file src/greenlet/greenlet.c * * * Fix missing braces with: * clang-tidy src/greenlet/greenlet.c -fix -checks="readability-braces-around-statements" */ #include <cstdlib> #include <string> #include <algorithm> #include <exception> #define PY_SSIZE_T_CLEAN #include <Python.h> #include "structmember.h" // PyMemberDef #include "greenlet_internal.hpp" #include "greenlet_refs.hpp" #include "greenlet_slp_switch.hpp" #include "greenlet_thread_state.hpp" #include "greenlet_thread_support.hpp" #include "greenlet_greenlet.hpp" using greenlet::ThreadState; using greenlet::Mutex; using greenlet::LockGuard; using greenlet::LockInitError; using greenlet::PyErrOccurred; using greenlet::Require; using greenlet::PyFatalError; using greenlet::ExceptionState; using greenlet::StackState; using greenlet::Greenlet; // Helpers for reference counting. // XXX: running the test cases for greenlet 1.1.2 under Python 3.10+pydebug // with zope.testrunner's "report refcounts" option shows a growth of // over 500 references when running 90 tests at a steady state (10 repeats) // Running in verbose mode and adding objgraph to report gives us this // info in a steady state: // Ran 90 tests with 0 failures, 0 errors and 1 skipped in 2.120 seconds. // Showing growth // tuple 2811 +16 // list 1733 +14 // function 6304 +11 // dict 3604 +9 // cell 707 +9 // greenlet 81 +8 // method 103 +5 // Genlet 40 +4 // list_iterator 30 +3 // getset_descriptor 916 +2 // sum detail refcount=341678 sys refcount=379357 change=523 // Leak details, changes in instances and refcounts by type/class: // type/class insts refs // ------------------------------------------------------- ----- ---- // builtins.NoneType 0 2 // builtins.cell 9 20 // builtins.code 0 31 // builtins.dict 18 91 // builtins.frame 20 32 // builtins.function 11 28 // builtins.getset_descriptor 2 2 // builtins.int 2 42 // builtins.list 14 37 // builtins.list_iterator 3 3 // builtins.method 5 5 // builtins.method_descriptor 0 9 // builtins.str 11 76 // builtins.traceback 1 2 // builtins.tuple 20 42 // builtins.type 2 28 // builtins.weakref 2 2 // greenlet.GreenletExit 1 1 // greenlet.greenlet 8 26 // greenlet.tests.test_contextvars.NoContextVarsTests 0 1 // greenlet.tests.test_gc.object_with_finalizer 1 1 // greenlet.tests.test_generator_nested.Genlet 4 26 // greenlet.tests.test_greenlet.convoluted 1 2 // ------------------------------------------------------- ----- ---- // total 135 509 // // As of the commit that adds this comment, we're doing better than // 1.1.2, but still not perfect: // Ran 115 tests with 0 failures, 0 errors, 1 skipped in 8.623 seconds. // tuple 21310 +23 // dict 5428 +18 // frame 183 +17 // list 1760 +14 // function 6359 +11 // cell 698 +8 // method 105 +5 // int 2709 +4 // TheGenlet 40 +4 // list_iterator 30 +3 // sum detail refcount=345051 sys refcount=383043 change=494 // Leak details, changes in instances and refcounts by type/class: // type/class insts refs // ------------------------------------------------------- ----- ---- // builtins.NoneType 0 12 // builtins.bool 0 2 // builtins.cell 8 16 // builtins.code 0 28 // builtins.dict 18 74 // builtins.frame 17 28 // builtins.function 11 28 // builtins.getset_descriptor 2 2 // builtins.int 4 44 // builtins.list 14 39 // builtins.list_iterator 3 3 // builtins.method 5 5 // builtins.method_descriptor 0 8 // builtins.str -2 69 // builtins.tuple 23 42 // builtins.type 2 28 // builtins.weakref 2 2 // greenlet.greenlet 1 1 // greenlet.main_greenlet 1 16 // greenlet.tests.test_contextvars.NoContextVarsTests 0 1 // greenlet.tests.test_gc.object_with_finalizer 1 1 // greenlet.tests.test_generator_nested.TheGenlet 4 29 // greenlet.tests.test_greenlet.convoluted 1 2 // greenlet.tests.test_leaks.HasFinalizerTracksInstances 2 2 // ------------------------------------------------------- ----- ---- // total 117 482 using greenlet::refs::BorrowedObject; using greenlet::refs::BorrowedGreenlet; using greenlet::refs::BorrowedMainGreenlet; using greenlet::refs::OwnedObject; using greenlet::refs::PyErrFetchParam; using greenlet::refs::PyArgParseParam; using greenlet::refs::ImmortalString; using greenlet::refs::ImmortalObject; using greenlet::refs::CreatedModule; using greenlet::refs::PyErrPieces; using greenlet::refs::PyObjectPointer; using greenlet::Greenlet; using greenlet::UserGreenlet; using greenlet::MainGreenlet; // ******* Implementation of things from included files template<typename T, greenlet::refs::TypeChecker TC> greenlet::refs::_BorrowedGreenlet<T, TC>& greenlet::refs::_BorrowedGreenlet<T, TC>::operator=(const greenlet::refs::BorrowedObject& other) { this->_set_raw_pointer(static_cast<PyObject*>(other)); return *this; } template <typename T, greenlet::refs::TypeChecker TC> inline greenlet::refs::_BorrowedGreenlet<T, TC>::operator Greenlet*() const G_NOEXCEPT { if (!this->p) { return nullptr; } return reinterpret_cast<PyGreenlet*>(this->p)->pimpl; } template<typename T, greenlet::refs::TypeChecker TC> greenlet::refs::_BorrowedGreenlet<T, TC>::_