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#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 */