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gh-124872: Change PyContext_WatchCallback to take PyObject (#124737) 

The PyContext struct is not intended to be public, and users of the
API don't need anything more specific than PyObject.  Also see
gh-78943.
This commit is contained in:
Richard Hansen 2024-10-12 16:57:27 -04:00 committed by GitHub
parent fa52b82c91
commit 330c527299
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GPG Key ID: B5690EEEBB952194
4 changed files with 10 additions and 10 deletions
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2
Doc/c-api/contextvars.rst
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@ -136,7 +136,7 @@ Context object management functions:
.. versionadded:: 3.14
.. c:type:: int (*PyContext_WatchCallback)(PyContextEvent event, PyContext* ctx)
.. c:type:: int (*PyContext_WatchCallback)(PyContextEvent event, PyObject *obj)
Context object watcher callback function. The object passed to the callback
is event-specific; see :c:type:`PyContextEvent` for details.

2
Include/cpython/context.h
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@ -52,7 +52,7 @@ typedef enum {
* if the callback returns with an exception set, it must return -1. Otherwise
* it should return 0
*/
typedef int (*PyContext_WatchCallback)(PyContextEvent, PyContext *);
typedef int (*PyContext_WatchCallback)(PyContextEvent, PyObject *);
/*
* Register a per-interpreter callback that will be invoked for context object

10
Modules/_testcapi/watchers.c
View File

@ -630,7 +630,7 @@ static int num_context_object_enter_events[NUM_CONTEXT_WATCHERS] = {0, 0};
static int num_context_object_exit_events[NUM_CONTEXT_WATCHERS] = {0, 0};
static int
handle_context_watcher_event(int which_watcher, PyContextEvent event, PyContext *ctx) {
handle_context_watcher_event(int which_watcher, PyContextEvent event, PyObject *ctx) {
if (event == Py_CONTEXT_EVENT_ENTER) {
num_context_object_enter_events[which_watcher]++;
}
@ -644,22 +644,22 @@ handle_context_watcher_event(int which_watcher, PyContextEvent event, PyContext
}
static int
first_context_watcher_callback(PyContextEvent event, PyContext *ctx) {
first_context_watcher_callback(PyContextEvent event, PyObject *ctx) {
return handle_context_watcher_event(0, event, ctx);
}
static int
second_context_watcher_callback(PyContextEvent event, PyContext *ctx) {
second_context_watcher_callback(PyContextEvent event, PyObject *ctx) {
return handle_context_watcher_event(1, event, ctx);
}
static int
noop_context_event_handler(PyContextEvent event, PyContext *ctx) {
noop_context_event_handler(PyContextEvent event, PyObject *ctx) {
return 0;
}
static int
error_context_event_handler(PyContextEvent event, PyContext *ctx) {
error_context_event_handler(PyContextEvent event, PyObject *ctx) {
PyErr_SetString(PyExc_RuntimeError, "boom!");
return -1;
}

6
Python/context.c
View File

@ -113,7 +113,7 @@ context_event_name(PyContextEvent event) {
}
static void
notify_context_watchers(PyThreadState *ts, PyContextEvent event, PyContext *ctx)
notify_context_watchers(PyThreadState *ts, PyContextEvent event, PyObject *ctx)
{
assert(Py_REFCNT(ctx) > 0);
PyInterpreterState *interp = ts->interp;
@ -193,7 +193,7 @@ _PyContext_Enter(PyThreadState *ts, PyObject *octx)
ts->context = Py_NewRef(ctx);
ts->context_ver++;
notify_context_watchers(ts, Py_CONTEXT_EVENT_ENTER, ctx);
notify_context_watchers(ts, Py_CONTEXT_EVENT_ENTER, octx);
return 0;
}
@ -227,7 +227,7 @@ _PyContext_Exit(PyThreadState *ts, PyObject *octx)
return -1;
}
notify_context_watchers(ts, Py_CONTEXT_EVENT_EXIT, ctx);
notify_context_watchers(ts, Py_CONTEXT_EVENT_EXIT, octx);
Py_SETREF(ts->context, (PyObject *)ctx->ctx_prev);
ts->context_ver++;