blob: fbbc43f6fae5858a01b40a4d865da1f29c617b14 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include "sd-bus.h"
#define MEMFD_CACHE_MAX 32
/* When we cache a memfd block for reuse, we will truncate blocks
* longer than this in order not to keep too much data around. */
#define MEMFD_CACHE_ITEM_SIZE_MAX (128*1024)
/* This determines at which minimum size we prefer sending memfds over
* sending vectors */
#define MEMFD_MIN_SIZE (512*1024)
struct memfd_cache {
int fd;
void *address;
size_t mapped;
size_t allocated;
};
void close_and_munmap(int fd, void *address, size_t size);
void bus_flush_memfd(sd_bus *bus);
|