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Diffstat (limited to 'venv/lib/python3.11/site-packages/greenlet/TGreenletGlobals.cpp')
-rw-r--r-- | venv/lib/python3.11/site-packages/greenlet/TGreenletGlobals.cpp | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/venv/lib/python3.11/site-packages/greenlet/TGreenletGlobals.cpp b/venv/lib/python3.11/site-packages/greenlet/TGreenletGlobals.cpp deleted file mode 100644 index c71c963..0000000 --- a/venv/lib/python3.11/site-packages/greenlet/TGreenletGlobals.cpp +++ /dev/null @@ -1,94 +0,0 @@ -/* -*- indent-tabs-mode: nil; tab-width: 4; -*- */ -/** - * Implementation of GreenletGlobals. - * - * 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" -*/ -#ifndef T_GREENLET_GLOBALS -#define T_GREENLET_GLOBALS - -#include "greenlet_refs.hpp" -#include "greenlet_exceptions.hpp" -#include "greenlet_thread_support.hpp" -#include "greenlet_thread_state.hpp" - -namespace greenlet { - -// This encapsulates what were previously module global "constants" -// established at init time. -// This is a step towards Python3 style module state that allows -// reloading. -// -// In an earlier iteration of this code, we used placement new to be -// able to allocate this object statically still, so that references -// to its members don't incur an extra pointer indirection. -// But under some scenarios, that could result in crashes at -// shutdown because apparently the destructor was getting run twice? -class GreenletGlobals -{ - -public: - const greenlet::refs::ImmortalEventName event_switch; - const greenlet::refs::ImmortalEventName event_throw; - const greenlet::refs::ImmortalException PyExc_GreenletError; - const greenlet::refs::ImmortalException PyExc_GreenletExit; - const greenlet::refs::ImmortalObject empty_tuple; - const greenlet::refs::ImmortalObject empty_dict; - const greenlet::refs::ImmortalString str_run; - Mutex* const thread_states_to_destroy_lock; - greenlet::cleanup_queue_t thread_states_to_destroy; - - GreenletGlobals() : - event_switch("switch"), - event_throw("throw"), - PyExc_GreenletError("greenlet.error"), - PyExc_GreenletExit("greenlet.GreenletExit", PyExc_BaseException), - empty_tuple(Require(PyTuple_New(0))), - empty_dict(Require(PyDict_New())), - str_run("run"), - thread_states_to_destroy_lock(new Mutex()) - {} - - ~GreenletGlobals() - { - // This object is (currently) effectively immortal, and not - // just because of those placement new tricks; if we try to - // deallocate the static object we allocated, and overwrote, - // we would be doing so at C++ teardown time, which is after - // the final Python GIL is released, and we can't use the API - // then. - // (The members will still be destructed, but they also don't - // do any deallocation.) - } - - void queue_to_destroy(ThreadState* ts) const - { - // we're currently accessed through a static const object, - // implicitly marking our members as const, so code can't just - // call push_back (or pop_back) without casting away the - // const. - // - // Do that for callers. - greenlet::cleanup_queue_t& q = const_cast<greenlet::cleanup_queue_t&>(this->thread_states_to_destroy); - q.push_back(ts); - } - - ThreadState* take_next_to_destroy() const - { - greenlet::cleanup_queue_t& q = const_cast<greenlet::cleanup_queue_t&>(this->thread_states_to_destroy); - ThreadState* result = q.back(); - q.pop_back(); - return result; - } -}; - -}; // namespace greenlet - -static const greenlet::GreenletGlobals* mod_globs; - -#endif // T_GREENLET_GLOBALS |