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5862a19a CB |
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 | } |