Tests: Add health check thread stall test
[lttng-tools.git] / tests / tools / health / health_stall.c
1 /*
2 * Copyright (C) 2012 - Christian Babeux <christian.babeux@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 #include <stdlib.h>
19 #include <string.h>
20 #include <stdio.h>
21 #include <unistd.h>
22
23 #define STALL_TIME 60
24
25 /*
26 * Check if the specified environment variable is set.
27 * Return 1 if set, otherwise 0.
28 */
29 int check_env_var(const char *env)
30 {
31 if (env) {
32 char *env_val = getenv(env);
33 if (env_val && (strncmp(env_val, "1", 1) == 0)) {
34 return 1;
35 }
36 }
37
38 return 0;
39 }
40
41 void __testpoint_thread_manage_clients_before_loop(void)
42 {
43 const char *var = "LTTNG_THREAD_MANAGE_CLIENTS_STALL";
44
45 if (check_env_var(var)) {
46 sleep(STALL_TIME);
47 }
48 }
49
50 void __testpoint_thread_manage_kernel_before_loop(void)
51 {
52 const char *var = "LTTNG_THREAD_MANAGE_KERNEL_STALL";
53
54 if (check_env_var(var)) {
55 sleep(STALL_TIME);
56 }
57 }
58
59 void __testpoint_thread_manage_apps_before_loop(void)
60 {
61 const char *var = "LTTNG_THREAD_MANAGE_APPS_STALL";
62
63 if (check_env_var(var)) {
64 sleep(STALL_TIME);
65 }
66 }
This page took 0.04319 seconds and 4 git commands to generate.