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58 lines
2.4 KiB
58 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#include <stdbool.h> |
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#include <stdlib.h> |
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#define PAGE_SIZE 4096 |
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) |
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#define MB(x) (x << 20) |
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/* |
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* Checks if two given values differ by less than err% of their sum. |
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*/ |
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static inline int values_close(long a, long b, int err) |
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{ |
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return abs(a - b) <= (a + b) / 100 * err; |
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} |
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extern int cg_find_unified_root(char *root, size_t len); |
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extern char *cg_name(const char *root, const char *name); |
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extern char *cg_name_indexed(const char *root, const char *name, int index); |
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extern char *cg_control(const char *cgroup, const char *control); |
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extern int cg_create(const char *cgroup); |
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extern int cg_destroy(const char *cgroup); |
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extern int cg_read(const char *cgroup, const char *control, |
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char *buf, size_t len); |
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extern int cg_read_strcmp(const char *cgroup, const char *control, |
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const char *expected); |
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extern int cg_read_strstr(const char *cgroup, const char *control, |
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const char *needle); |
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extern long cg_read_long(const char *cgroup, const char *control); |
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long cg_read_key_long(const char *cgroup, const char *control, const char *key); |
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extern long cg_read_lc(const char *cgroup, const char *control); |
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extern int cg_write(const char *cgroup, const char *control, char *buf); |
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extern int cg_run(const char *cgroup, |
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int (*fn)(const char *cgroup, void *arg), |
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void *arg); |
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extern int cg_enter(const char *cgroup, int pid); |
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extern int cg_enter_current(const char *cgroup); |
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extern int cg_enter_current_thread(const char *cgroup); |
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extern int cg_run_nowait(const char *cgroup, |
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int (*fn)(const char *cgroup, void *arg), |
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void *arg); |
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extern int get_temp_fd(void); |
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extern int alloc_pagecache(int fd, size_t size); |
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extern int alloc_anon(const char *cgroup, void *arg); |
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extern int is_swap_enabled(void); |
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extern int set_oom_adj_score(int pid, int score); |
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extern int cg_wait_for_proc_count(const char *cgroup, int count); |
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extern int cg_killall(const char *cgroup); |
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extern ssize_t proc_read_text(int pid, bool thread, const char *item, char *buf, size_t size); |
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extern int proc_read_strstr(int pid, bool thread, const char *item, const char *needle); |
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extern pid_t clone_into_cgroup(int cgroup_fd); |
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extern int clone_reap(pid_t pid, int options); |
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extern int clone_into_cgroup_run_wait(const char *cgroup); |
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extern int dirfd_open_opath(const char *dir); |
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extern int cg_prepare_for_wait(const char *cgroup); |
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extern int cg_wait_for(int fd);
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