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GH-118095: Make invalidating and clearing executors memory safe (GH-118459)

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This commit is contained in:
Mark Shannon
2024-05-01 11:34:50 +01:00
committed by GitHub
parent 21c09d9f81
commit f6fab21721
5 changed files with 103 additions and 42 deletions
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Python/bytecodes.c
+9 -3
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@@ -163,9 +163,15 @@ dummy_func(
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
CHECK_EVAL_BREAKER();
}
#if ENABLE_SPECIALIZATION
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, RESUME_CHECK);
#endif /* ENABLE_SPECIALIZATION */
assert(this_instr->op.code == RESUME ||
this_instr->op.code == RESUME_CHECK ||
this_instr->op.code == INSTRUMENTED_RESUME ||
this_instr->op.code == ENTER_EXECUTOR);
if (this_instr->op.code == RESUME) {
#if ENABLE_SPECIALIZATION
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, RESUME_CHECK);
#endif /* ENABLE_SPECIALIZATION */
}
}
}