| 1 | /* |
| 2 | * Copyright (C) 2012 - Christian Babeux <christian.babeux@efficios.com> |
| 3 | * Copyright (C) 2014 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License, version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., 51 |
| 16 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 17 | */ |
| 18 | |
| 19 | #include <stdlib.h> |
| 20 | #include <string.h> |
| 21 | #include <pthread.h> |
| 22 | #include <urcu.h> |
| 23 | |
| 24 | /* |
| 25 | * Check if the specified environment variable is set. |
| 26 | * Return 1 if set, otherwise 0. |
| 27 | */ |
| 28 | static |
| 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 | /* Session daemon */ |
| 42 | |
| 43 | int __testpoint_sessiond_thread_manage_clients(void) |
| 44 | { |
| 45 | const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_CLIENTS_EXIT"; |
| 46 | |
| 47 | if (check_env_var(var)) { |
| 48 | rcu_unregister_thread(); |
| 49 | pthread_exit(NULL); |
| 50 | } |
| 51 | |
| 52 | return 0; |
| 53 | } |
| 54 | |
| 55 | int __testpoint_sessiond_thread_registration_apps(void) |
| 56 | { |
| 57 | const char *var = "LTTNG_SESSIOND_THREAD_REG_APPS_EXIT"; |
| 58 | |
| 59 | if (check_env_var(var)) { |
| 60 | pthread_exit(NULL); |
| 61 | } |
| 62 | |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | int __testpoint_sessiond_thread_manage_apps(void) |
| 67 | { |
| 68 | const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_APPS_EXIT"; |
| 69 | |
| 70 | if (check_env_var(var)) { |
| 71 | rcu_unregister_thread(); |
| 72 | pthread_exit(NULL); |
| 73 | } |
| 74 | |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | int __testpoint_sessiond_thread_manage_kernel(void) |
| 79 | { |
| 80 | const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_KERNEL_EXIT"; |
| 81 | |
| 82 | if (check_env_var(var)) { |
| 83 | pthread_exit(NULL); |
| 84 | } |
| 85 | |
| 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | int __testpoint_sessiond_thread_manage_consumer(void) |
| 90 | { |
| 91 | const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_CONSUMER_EXIT"; |
| 92 | |
| 93 | if (check_env_var(var)) { |
| 94 | pthread_exit(NULL); |
| 95 | } |
| 96 | |
| 97 | return 0; |
| 98 | } |
| 99 | |
| 100 | int __testpoint_sessiond_thread_ht_cleanup(void) |
| 101 | { |
| 102 | const char *var = "LTTNG_SESSIOND_THREAD_HT_CLEANUP_EXIT"; |
| 103 | |
| 104 | if (check_env_var(var)) { |
| 105 | rcu_unregister_thread(); |
| 106 | pthread_exit(NULL); |
| 107 | } |
| 108 | |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | int __testpoint_sessiond_thread_app_manage_notify(void) |
| 113 | { |
| 114 | const char *var = "LTTNG_SESSIOND_THREAD_APP_MANAGE_NOTIFY_EXIT"; |
| 115 | |
| 116 | if (check_env_var(var)) { |
| 117 | rcu_unregister_thread(); |
| 118 | pthread_exit(NULL); |
| 119 | } |
| 120 | |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | int __testpoint_sessiond_thread_app_reg_dispatch(void) |
| 125 | { |
| 126 | const char *var = "LTTNG_SESSIOND_THREAD_APP_REG_DISPATCH_EXIT"; |
| 127 | |
| 128 | if (check_env_var(var)) { |
| 129 | pthread_exit(NULL); |
| 130 | } |
| 131 | |
| 132 | return 0; |
| 133 | } |
| 134 | |
| 135 | /* Consumer daemon */ |
| 136 | |
| 137 | int __testpoint_consumerd_thread_channel(void) |
| 138 | { |
| 139 | const char *var = "LTTNG_CONSUMERD_THREAD_CHANNEL_EXIT"; |
| 140 | |
| 141 | if (check_env_var(var)) { |
| 142 | rcu_unregister_thread(); |
| 143 | pthread_exit(NULL); |
| 144 | } |
| 145 | |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | int __testpoint_consumerd_thread_metadata(void) |
| 150 | { |
| 151 | const char *var = "LTTNG_CONSUMERD_THREAD_METADATA_EXIT"; |
| 152 | |
| 153 | if (check_env_var(var)) { |
| 154 | rcu_unregister_thread(); |
| 155 | pthread_exit(NULL); |
| 156 | } |
| 157 | |
| 158 | return 0; |
| 159 | } |
| 160 | |
| 161 | int __testpoint_consumerd_thread_data(void) |
| 162 | { |
| 163 | const char *var = "LTTNG_CONSUMERD_THREAD_DATA_EXIT"; |
| 164 | |
| 165 | if (check_env_var(var)) { |
| 166 | rcu_unregister_thread(); |
| 167 | pthread_exit(NULL); |
| 168 | } |
| 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | int __testpoint_consumerd_thread_sessiond(void) |
| 174 | { |
| 175 | const char *var = "LTTNG_CONSUMERD_THREAD_SESSIOND_EXIT"; |
| 176 | |
| 177 | if (check_env_var(var)) { |
| 178 | rcu_unregister_thread(); |
| 179 | pthread_exit(NULL); |
| 180 | } |
| 181 | |
| 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | int __testpoint_consumerd_thread_metadata_timer(void) |
| 186 | { |
| 187 | const char *var = "LTTNG_CONSUMERD_THREAD_METADATA_TIMER_EXIT"; |
| 188 | |
| 189 | if (check_env_var(var)) { |
| 190 | pthread_exit(NULL); |
| 191 | } |
| 192 | |
| 193 | return 0; |
| 194 | } |
| 195 | |
| 196 | /* Relay daemon */ |
| 197 | |
| 198 | int __testpoint_relayd_thread_dispatcher(void) |
| 199 | { |
| 200 | const char *var = "LTTNG_RELAYD_THREAD_DISPATCHER_EXIT"; |
| 201 | |
| 202 | if (check_env_var(var)) { |
| 203 | pthread_exit(NULL); |
| 204 | } |
| 205 | |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | int __testpoint_relayd_thread_worker(void) |
| 210 | { |
| 211 | const char *var = "LTTNG_RELAYD_THREAD_WORKER_EXIT"; |
| 212 | |
| 213 | if (check_env_var(var)) { |
| 214 | rcu_unregister_thread(); |
| 215 | pthread_exit(NULL); |
| 216 | } |
| 217 | |
| 218 | return 0; |
| 219 | } |
| 220 | |
| 221 | int __testpoint_relayd_thread_listener(void) |
| 222 | { |
| 223 | const char *var = "LTTNG_RELAYD_THREAD_LISTENER_EXIT"; |
| 224 | |
| 225 | if (check_env_var(var)) { |
| 226 | pthread_exit(NULL); |
| 227 | } |
| 228 | |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | int __testpoint_relayd_thread_live_dispatcher(void) |
| 233 | { |
| 234 | const char *var = "LTTNG_RELAYD_THREAD_LIVE_DISPATCHER_EXIT"; |
| 235 | |
| 236 | if (check_env_var(var)) { |
| 237 | pthread_exit(NULL); |
| 238 | } |
| 239 | |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | int __testpoint_relayd_thread_live_worker(void) |
| 244 | { |
| 245 | const char *var = "LTTNG_RELAYD_THREAD_LIVE_WORKER_EXIT"; |
| 246 | |
| 247 | if (check_env_var(var)) { |
| 248 | rcu_unregister_thread(); |
| 249 | pthread_exit(NULL); |
| 250 | } |
| 251 | |
| 252 | return 0; |
| 253 | } |
| 254 | |
| 255 | int __testpoint_relayd_thread_live_listener(void) |
| 256 | { |
| 257 | const char *var = "LTTNG_RELAYD_THREAD_LIVE_LISTENER_EXIT"; |
| 258 | |
| 259 | if (check_env_var(var)) { |
| 260 | pthread_exit(NULL); |
| 261 | } |
| 262 | |
| 263 | return 0; |
| 264 | } |