projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 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)) { | |
| 050eba6d CB |
46 | unsigned int sleep_time = STALL_TIME; |
| 47 | while (sleep_time > 0) { | |
| 48 | sleep_time = sleep(sleep_time); | |
| 49 | } | |
| 5862a19a CB |
50 | } |
| 51 | } | |
| 52 | ||
| 53 | void __testpoint_thread_manage_kernel_before_loop(void) | |
| 54 | { | |
| 55 | const char *var = "LTTNG_THREAD_MANAGE_KERNEL_STALL"; | |
| 56 | ||
| 57 | if (check_env_var(var)) { | |
| 050eba6d CB |
58 | unsigned int sleep_time = STALL_TIME; |
| 59 | while (sleep_time > 0) { | |
| 60 | sleep_time = sleep(sleep_time); | |
| 61 | } | |
| 5862a19a CB |
62 | } |
| 63 | } | |
| 64 | ||
| 65 | void __testpoint_thread_manage_apps_before_loop(void) | |
| 66 | { | |
| 67 | const char *var = "LTTNG_THREAD_MANAGE_APPS_STALL"; | |
| 68 | ||
| 69 | if (check_env_var(var)) { | |
| 050eba6d CB |
70 | unsigned int sleep_time = STALL_TIME; |
| 71 | while (sleep_time > 0) { | |
| 72 | sleep_time = sleep(sleep_time); | |
| 73 | } | |
| 5862a19a CB |
74 | } |
| 75 | } |