| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #include <stdlib.h> |
| 3 | |
| 4 | #define PAGE_SIZE 4096 |
| 5 | |
| 6 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) |
| 7 | |
| 8 | #define MB(x) (x << 20) |
| 9 | |
| 10 | /* |
| 11 | * Checks if two given values differ by less than err% of their sum. |
| 12 | */ |
| 13 | static inline int values_close(long a, long b, int err) |
| 14 | { |
| 15 | return abs(a - b) <= (a + b) / 100 * err; |
| 16 | } |
| 17 | |
| 18 | extern int cg_find_unified_root(char *root, size_t len); |
| 19 | extern char *cg_name(const char *root, const char *name); |
| 20 | extern char *cg_name_indexed(const char *root, const char *name, int index); |
| 21 | extern char *cg_control(const char *cgroup, const char *control); |
| 22 | extern int cg_create(const char *cgroup); |
| 23 | extern int cg_destroy(const char *cgroup); |
| 24 | extern int cg_read(const char *cgroup, const char *control, |
| 25 | char *buf, size_t len); |
| 26 | extern int cg_read_strcmp(const char *cgroup, const char *control, |
| 27 | const char *expected); |
| 28 | extern int cg_read_strstr(const char *cgroup, const char *control, |
| 29 | const char *needle); |
| 30 | extern long cg_read_long(const char *cgroup, const char *control); |
| 31 | long cg_read_key_long(const char *cgroup, const char *control, const char *key); |
| 32 | extern int cg_write(const char *cgroup, const char *control, char *buf); |
| 33 | extern int cg_run(const char *cgroup, |
| 34 | int (*fn)(const char *cgroup, void *arg), |
| 35 | void *arg); |
| 36 | extern int cg_enter(const char *cgroup, int pid); |
| 37 | extern int cg_enter_current(const char *cgroup); |
| 38 | extern int cg_run_nowait(const char *cgroup, |
| 39 | int (*fn)(const char *cgroup, void *arg), |
| 40 | void *arg); |
| 41 | extern int get_temp_fd(void); |
| 42 | extern int alloc_pagecache(int fd, size_t size); |
| 43 | extern int alloc_anon(const char *cgroup, void *arg); |
| 44 | extern int is_swap_enabled(void); |
| 45 | extern int set_oom_adj_score(int pid, int score); |
| 46 | extern int cg_wait_for_proc_count(const char *cgroup, int count); |
| 47 | extern int cg_killall(const char *cgroup); |
| 48 | extern char proc_read_text(int pid, const char *item, char *buf, size_t size); |