Fix: relay: relay_rotate_session_streams uninitialized return value
[lttng-tools.git] / src / common / utils.h
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1/*
2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License, version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 51
15 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18#ifndef _COMMON_UTILS_H
19#define _COMMON_UTILS_H
20
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21#include <sys/types.h>
22#include <unistd.h>
23#include <stdint.h>
8db0dc00 24#include <getopt.h>
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25#include <stdbool.h>
26#include <sys/types.h>
70d0b120 27
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28#include <common/compat/directory-handle.h>
29
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30#define KIBI_LOG2 10
31#define MEBI_LOG2 20
32#define GIBI_LOG2 30
33
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34char *utils_partial_realpath(const char *path, char *resolved_path,
35 size_t size);
81b86775 36char *utils_expand_path(const char *path);
4b223a67 37char *utils_expand_path_keep_symlink(const char *path);
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38int utils_create_pipe(int *dst);
39int utils_create_pipe_cloexec(int *dst);
094f381c 40int utils_create_pipe_cloexec_nonblock(int *dst);
81b86775 41void utils_close_pipe(int *src);
a4b92340 42char *utils_strdupdelim(const char *begin, const char *end);
b662582b 43int utils_set_fd_cloexec(int fd);
35f90c40 44int utils_create_pid_file(pid_t pid, const char *filepath);
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45int utils_mkdir(const char *path, mode_t mode, int uid, int gid);
46int utils_mkdir_recursive(const char *path, mode_t mode, int uid, int gid);
07b86b52 47int utils_create_stream_file(const char *path_name, char *file_name, uint64_t size,
309167d2 48 uint64_t count, int uid, int gid, char *suffix);
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49int utils_unlink_stream_file(const char *path_name, char *file_name, uint64_t size,
50 uint64_t count, int uid, int gid, char *suffix);
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51int utils_stream_file_path(const char *path_name, const char *file_name,
52 uint64_t size, uint64_t count, const char *suffix,
53 char *out_stream_path, size_t stream_path_len);
5983a922 54int utils_parse_size_suffix(char const * const str, uint64_t * const size);
7010c033 55int utils_parse_time_suffix(char const * const str, uint64_t * const time_us);
cfa9a5a2 56int utils_get_count_order_u32(uint32_t x);
db5be0a3 57int utils_get_count_order_u64(uint64_t x);
4f00620d 58const char *utils_get_home_dir(void);
fb198a11 59char *utils_get_user_home_dir(uid_t uid);
26fe5938 60size_t utils_get_current_time_str(const char *format, char *dst, size_t len);
28ab59d0 61int utils_get_group_id(const char *name, bool warn, gid_t *gid);
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62char *utils_generate_optstring(const struct option *long_options,
63 size_t opt_count);
c9cb3e7d 64int utils_create_lock_file(const char *filepath);
3d071855 65int utils_recursive_rmdir(const char *path);
93ec662e 66int utils_truncate_stream_file(int fd, off_t length);
4fc83d94 67int utils_show_help(int section, const char *page_name, const char *help_msg);
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68int utils_get_memory_available(size_t *value);
69int utils_get_memory_total(size_t *value);
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70
71#endif /* _COMMON_UTILS_H */
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