Remove ht-cleanup thread
[lttng-tools.git] / src / bin / lttng-sessiond / utils.cpp
1 /*
2 * Copyright (C) 2011 EfficiOS Inc.
3 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0-only
6 *
7 */
8
9 #define _LGPL_SOURCE
10 #include <stdlib.h>
11 #include <unistd.h>
12
13 #include <common/error.h>
14
15 #include "utils.h"
16 #include "snapshot.h"
17 #include "lttng-sessiond.h"
18
19 /*
20 * Write to writable pipe used to notify a thread.
21 */
22 int notify_thread_pipe(int wpipe)
23 {
24 ssize_t ret;
25
26 /* Ignore if the pipe is invalid. */
27 if (wpipe < 0) {
28 return 0;
29 }
30
31 ret = lttng_write(wpipe, "!", 1);
32 if (ret < 1) {
33 PERROR("write poll pipe");
34 }
35
36 return (int) ret;
37 }
38
39 int loglevels_match(int a_loglevel_type, int a_loglevel_value,
40 int b_loglevel_type, int b_loglevel_value, int loglevel_all_type)
41 {
42 int match = 1;
43
44 if (a_loglevel_type == b_loglevel_type) {
45 /* Same loglevel type. */
46 if (b_loglevel_type != loglevel_all_type) {
47 /*
48 * Loglevel value must also match since the loglevel
49 * type is not all.
50 */
51 if (a_loglevel_value != b_loglevel_value) {
52 match = 0;
53 }
54 }
55 } else {
56 /* Loglevel type is different: no match. */
57 match = 0;
58 }
59
60 return match;
61 }
62
63 const char *session_get_base_path(const struct ltt_session *session)
64 {
65 return consumer_output_get_base_path(session->consumer);
66 }
67
68 const char *consumer_output_get_base_path(const struct consumer_output *output)
69 {
70 return output->type == CONSUMER_DST_LOCAL ?
71 output->dst.session_root_path :
72 output->dst.net.base_dir;
73 }
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