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| author | Mark Shannon <mark@hotpy.org> | 2024-04-29 06:54:05 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-04-29 06:54:05 (GMT) |
| commit | ab6eda0ee59587e84cb417dd84452b9c6845434c (patch) | |
| tree | a8b35575dc02021f8e043926023763895b477cf9 /Python/executor_cases.c.h | |
| parent | aa8f6d2708bce1462544d2e2cae05a2595ffd9ec (diff) | |
| download | cpython-ab6eda0ee59587e84cb417dd84452b9c6845434c.zip cpython-ab6eda0ee59587e84cb417dd84452b9c6845434c.tar.gz cpython-ab6eda0ee59587e84cb417dd84452b9c6845434c.tar.bz2 | |
GH-118095: Allow a variant of RESUME_CHECK in tier 2 (GH-118286)
Diffstat (limited to 'Python/executor_cases.c.h')
| -rw-r--r-- | Python/executor_cases.c.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h index 280cca1..2d9acfe 100644 --- a/Python/executor_cases.c.h +++ b/Python/executor_cases.c.h @@ -4295,4 +4295,31 @@ break; } + case _TIER2_RESUME_CHECK: { + #if defined(__EMSCRIPTEN__) + if (_Py_emscripten_signal_clock == 0) { + UOP_STAT_INC(uopcode, miss); + JUMP_TO_JUMP_TARGET(); + } + _Py_emscripten_signal_clock -= Py_EMSCRIPTEN_SIGNAL_HANDLING; + #endif + uintptr_t eval_breaker = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker); + if (eval_breaker & _PY_EVAL_EVENTS_MASK) { + UOP_STAT_INC(uopcode, miss); + JUMP_TO_JUMP_TARGET(); + } + assert(eval_breaker == FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(_PyFrame_GetCode(frame)->_co_instrumentation_version)); + break; + } + + case _EVAL_BREAKER_EXIT: { + _Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY(); + QSBR_QUIESCENT_STATE(tstate); + if (_Py_HandlePending(tstate) != 0) { + GOTO_UNWIND(); + } + EXIT_TO_TRACE(); + break; + } + #undef TIER_TWO |