mirror of https://github.com/python/cpython
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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#ifndef Py_INTERNAL_CEVAL_H
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#define Py_INTERNAL_CEVAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "pyatomic.h"
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#include "pythread.h"
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struct _pending_calls {
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unsigned long main_thread;
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PyThread_type_lock lock;
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/* Request for running pending calls. */
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_Py_atomic_int calls_to_do;
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/* Request for looking at the `async_exc` field of the current
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thread state.
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Guarded by the GIL. */
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int async_exc;
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#define NPENDINGCALLS 32
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struct {
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int (*func)(void *);
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void *arg;
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} calls[NPENDINGCALLS];
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int first;
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int last;
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};
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#include "internal/gil.h"
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struct _ceval_runtime_state {
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int recursion_limit;
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/* Records whether tracing is on for any thread. Counts the number
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of threads for which tstate->c_tracefunc is non-NULL, so if the
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value is 0, we know we don't have to check this thread's
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c_tracefunc. This speeds up the if statement in
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PyEval_EvalFrameEx() after fast_next_opcode. */
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int tracing_possible;
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/* This single variable consolidates all requests to break out of
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the fast path in the eval loop. */
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_Py_atomic_int eval_breaker;
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/* Request for dropping the GIL */
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_Py_atomic_int gil_drop_request;
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struct _pending_calls pending;
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struct _gil_runtime_state gil;
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};
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PyAPI_FUNC(void) _PyEval_Initialize(struct _ceval_runtime_state *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_CEVAL_H */
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