rumtk_arena/mem/
constants.rs

1/*
2 *     rumtk attempts to implement HL7 and medical protocols for interoperability in medicine.
3 *     This toolkit aims to be reliable, simple, performant, and standards compliant.
4 *     Copyright (C) 2026  Luis M. Santos, M.D. <lsantos@medicalmasses.com>
5 *     Copyright (C) 2026  MedicalMasses L.L.C. <contact@medicalmasses.com>
6 *
7 *     This program is free software: you can redistribute it and/or modify
8 *     it under the terms of the GNU General Public License as published by
9 *     the Free Software Foundation, either version 3 of the License, or
10 *     (at your option) any later version.
11 *
12 *     This program is distributed in the hope that it will be useful,
13 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 *     GNU General Public License for more details.
16 *
17 *     You should have received a copy of the GNU General Public License
18 *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
19 */
20use std::alloc::Layout;
21
22pub const NULL_U8_PTR: [u8;0] = [0u8;0];
23pub const KB: usize = 1024;
24pub const MB: usize = 1024 * 1024;
25pub const GB: usize = 1024 * 1024 * 1024;
26pub const DEFAULT_GLOBAL_MB_ALLOCATION: usize = 50 * MB;
27pub const DEFAULT_GLOBAL_MB_ALLOCATION_LAYOUT: Layout = unsafe { Layout::from_size_align_unchecked(DEFAULT_GLOBAL_MB_ALLOCATION, size_of::<u8>()) };
28
29#[cfg(feature = "fast_allocator_options")]
30pub mod mimalloc_constants {
31    use crate::KB;
32    use std::ffi::{c_int, c_long};
33
34    pub const DEFAULT_GLOBAL_MIMALLOC_ALLOCATION: c_long = (50 * KB) as c_long;
35    pub const OPT_RESERVE_OS_MEMORY: c_int = 10;
36    pub const OPT_ARENA_RESERVE: c_int = 23;
37    pub const OPT_ALLOW_THP: c_int = 43;
38}
rumtk_arena/mem/constants.rs

rumtk_arena/mem/
constants.rs
