#ifndef Py_INTERNAL_CEVAL_STATE_H #define Py_INTERNAL_CEVAL_STATE_H #ifdef __cplusplus extern "C" { #endif #ifndef Py_BUILD_CORE # error "this header requires Py_BUILD_CORE define" #endif #include "pycore_atomic.h" /* _Py_atomic_address */ #include "pycore_gil.h" // struct _gil_runtime_state struct _pending_calls { int busy; PyThread_type_lock lock; /* Request for running pending calls. */ _Py_atomic_int calls_to_do; /* Request for looking at the `async_exc` field of the current thread state. Guarded by the GIL. */ int async_exc; #define NPENDINGCALLS 32 struct _pending_call { int (*func)(void *); void *arg; } calls[NPENDINGCALLS]; int first; int last; }; typedef enum { PERF_STATUS_FAILED = -1, // Perf trampoline is in an invalid state PERF_STATUS_NO_INIT = 0, // Perf trampoline is not initialized PERF_STATUS_OK = 1, // Perf trampoline is ready to be executed } perf_status_t; #ifdef PY_HAVE_PERF_TRAMPOLINE struct code_arena_st; struct trampoline_api_st { void* (*init_state)(void); void (*write_state)(void* state, const void *code_addr, unsigned int code_size, PyCodeObject* code); int (*free_state)(void* state); void *state; }; #endif struct _ceval_runtime_state { struct { #ifdef PY_HAVE_PERF_TRAMPOLINE perf_status_t status; Py_ssize_t extra_code_index; struct code_arena_st *code_arena; struct trampoline_api_st trampoline_api; FILE *map_file; #else int _not_used; #endif } perf; /* Request for checking signals. It is shared by all interpreters (see bpo-40513). Any thread of any interpreter can receive a signal, but only the main thread of the main interpreter can handle signals: see _Py_ThreadCanHandleSignals(). */ _Py_atomic_int signals_pending; /* Pending calls to be made only on the main thread. */ struct _pending_calls pending_mainthread; }; #ifdef PY_HAVE_PERF_TRAMPOLINE # define _PyEval_RUNTIME_PERF_INIT \ { \ .status = PERF_STATUS_NO_INIT, \ .extra_code_index = -1, \ } #else # define _PyEval_RUNTIME_PERF_INIT {0} #endif struct _ceval_state { /* This single variable consolidates all requests to break out of the fast path in the eval loop. */ _Py_atomic_int eval_breaker; /* Request for dropping the GIL */ _Py_atomic_int gil_drop_request; int recursion_limit; struct _gil_runtime_state *gil; int own_gil; /* The GC is ready to be executed */ _Py_atomic_int gc_scheduled; struct _pending_calls pending; }; #ifdef __cplusplus } #endif #endif /* !Py_INTERNAL_CEVAL_STATE_H */