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Revert: bpo-33608: Factor out a private, per-interpreter _Py_AddPendingCall(). (GH-11617) (GH-12159)

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* Revert "bpo-36097: Use only public C-API in the_xxsubinterpreters module (adding as necessary). (#12003)"

This reverts commit bcfa450f21.

* Revert "bpo-33608: Simplify ceval's DISPATCH by hoisting eval_breaker ahead of time. (gh-12062)"

This reverts commit bda918bf65.

* Revert "bpo-33608: Use _Py_AddPendingCall() in _PyCrossInterpreterData_Release(). (gh-12024)"

This reverts commit b05b711a2c.

* Revert "bpo-33608: Factor out a private, per-interpreter _Py_AddPendingCall(). (GH-11617)"

This reverts commit ef4ac967e2.
This commit is contained in:
Victor Stinner 2019-03-04 14:21:28 +01:00 • committed by GitHub
parent f4b0a1c0da
commit 4d61e6e3b8
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20 changed files with 582 additions and 751 deletions
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18
Include/internal/pycore_ceval.h
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@ -11,12 +11,8 @@ extern "C" {
#include "pycore_atomic.h"
#include "pythread.h"
struct _is; // See PyInterpreterState in cpython/pystate.h.
PyAPI_FUNC(int) _Py_AddPendingCall(struct _is*, unsigned long, int (*)(void *), void *);
PyAPI_FUNC(int) _Py_MakePendingCalls(struct _is*);
struct _pending_calls {
unsigned long main_thread;
PyThread_type_lock lock;
/* Request for running pending calls. */
_Py_atomic_int calls_to_do;
@ -26,7 +22,6 @@ struct _pending_calls {
int async_exc;
#define NPENDINGCALLS 32
struct {
unsigned long thread_id;
int (*func)(void *);
void *arg;
} calls[NPENDINGCALLS];
@ -34,13 +29,6 @@ struct _pending_calls {
int last;
};
struct _ceval_interpreter_state {
/* This single variable consolidates all requests to break out of
the fast path in the eval loop. */
_Py_atomic_int eval_breaker;
struct _pending_calls pending;
};
#include "pycore_gil.h"
struct _ceval_runtime_state {
@ -51,8 +39,12 @@ struct _ceval_runtime_state {
c_tracefunc. This speeds up the if statement in
PyEval_EvalFrameEx() after fast_next_opcode. */
int tracing_possible;
/* 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;
struct _pending_calls pending;
/* Request for checking signals. */
_Py_atomic_int signals_pending;
struct _gil_runtime_state gil;