core.cxxm File Reference

Deterministic global OOM selection and kill callback. More...

import std;
import lib.error;
import zxfoundation.base.types;

Include dependency graph for core.cxxm:

Typedefs
using	zxfoundation::memory::oom::kill_fn = auto (*)(u32 domain_id) noexcept -> bool
using	zxfoundation::memory::oom::score_fn = auto (*)(u32 domain_id) noexcept -> u64

Functions
auto	zxfoundation::memory::oom::install (score_fn scorer, kill_fn killer) noexcept -> std::expected< void, lib::kernel_error >
	Install OOM scoring and victim termination callbacks.
auto	zxfoundation::memory::oom::kill_highest (u32 domain_count) noexcept -> std::expected< u32, lib::kernel_error >
	Select and kill the highest-scoring domain in a bounded ID set.

Detailed Description

Deterministic global OOM selection and kill callback.

SPDX-License-Identifier: Apache-2.0

Function Documentation

install()

auto zxfoundation::memory::oom::install ( score_fn scorer, kill_fn killer )->std::expected< void, lib::kernel_error >

nodiscardexportnoexcept

Install OOM scoring and victim termination callbacks.

Parameters

[in]	scorer	Returns the current domain badness score.
[in]	killer	Marks and signals the selected domain.

Returns

Success or invalid argument.

kill_highest()

auto zxfoundation::memory::oom::kill_highest ( u32 domain_count ) ->std::expected< u32, lib::kernel_error >

nodiscardexportnoexcept

Select and kill the highest-scoring domain in a bounded ID set.

Parameters

[in]

domain_count

Number of domain IDs to inspect.

Returns

Victim ID or a checked error.