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code review: make exiting thread safe

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This commit is contained in:
Kumar Aditya 2025-12-22 21:58:15 +05:30
parent 68f8ec6a2d
commit cc959daa04
1 changed files with 2 additions and 6 deletions
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8
Python/context.c
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@ -229,12 +229,7 @@ _PyContext_Exit(PyThreadState *ts, PyObject *octx)
{
ENSURE_Context(octx, -1)
PyContext *ctx = (PyContext *)octx;
#ifdef Py_GIL_DISABLED
int already_entered = _Py_atomic_exchange_int(&ctx->ctx_entered, 0);
#else
int already_entered = ctx->ctx_entered;
ctx->ctx_entered = 0;
#endif
int already_entered = FT_ATOMIC_LOAD_INT_RELAXED(ctx->ctx_entered);
if (!already_entered) {
PyErr_Format(PyExc_RuntimeError,
@ -253,6 +248,7 @@ _PyContext_Exit(PyThreadState *ts, PyObject *octx)
Py_SETREF(ts->context, (PyObject *)ctx->ctx_prev);
ctx->ctx_prev = NULL;
FT_ATOMIC_STORE_INT(ctx->ctx_entered, 0);
context_switched(ts);
return 0;
}