| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 5 | * |
| 6 | * LTTng-UST ABI header |
| 7 | */ |
| 8 | |
| 9 | #ifndef _LTTNG_UST_ABI_H |
| 10 | #define _LTTNG_UST_ABI_H |
| 11 | |
| 12 | #include <stdint.h> |
| 13 | #include <lttng/ust-compiler.h> |
| 14 | |
| 15 | #ifndef LTTNG_PACKED |
| 16 | #error "LTTNG_PACKED should be defined" |
| 17 | #endif |
| 18 | |
| 19 | #ifndef __ust_stringify |
| 20 | #define __ust_stringify1(x) #x |
| 21 | #define __ust_stringify(x) __ust_stringify1(x) |
| 22 | #endif /* __ust_stringify */ |
| 23 | |
| 24 | #define LTTNG_UST_SYM_NAME_LEN 256 |
| 25 | #define LTTNG_UST_ABI_PROCNAME_LEN 16 |
| 26 | |
| 27 | /* UST comm magic number, used to validate protocol and endianness. */ |
| 28 | #define LTTNG_UST_COMM_MAGIC 0xC57C57C5 |
| 29 | |
| 30 | /* Version for ABI between liblttng-ust, sessiond, consumerd */ |
| 31 | #define LTTNG_UST_ABI_MAJOR_VERSION 9 |
| 32 | #define LTTNG_UST_ABI_MAJOR_VERSION_OLDEST_COMPATIBLE 8 |
| 33 | #define LTTNG_UST_ABI_MINOR_VERSION 0 |
| 34 | |
| 35 | enum lttng_ust_instrumentation { |
| 36 | LTTNG_UST_TRACEPOINT = 0, |
| 37 | LTTNG_UST_PROBE = 1, |
| 38 | LTTNG_UST_FUNCTION = 2, |
| 39 | }; |
| 40 | |
| 41 | enum lttng_ust_loglevel_type { |
| 42 | LTTNG_UST_LOGLEVEL_ALL = 0, |
| 43 | LTTNG_UST_LOGLEVEL_RANGE = 1, |
| 44 | LTTNG_UST_LOGLEVEL_SINGLE = 2, |
| 45 | }; |
| 46 | |
| 47 | enum lttng_ust_output { |
| 48 | LTTNG_UST_MMAP = 0, |
| 49 | }; |
| 50 | |
| 51 | enum lttng_ust_chan_type { |
| 52 | LTTNG_UST_CHAN_PER_CPU = 0, |
| 53 | LTTNG_UST_CHAN_METADATA = 1, |
| 54 | }; |
| 55 | |
| 56 | struct lttng_ust_tracer_version { |
| 57 | uint32_t major; |
| 58 | uint32_t minor; |
| 59 | uint32_t patchlevel; |
| 60 | } LTTNG_PACKED; |
| 61 | |
| 62 | #define LTTNG_UST_CHANNEL_PADDING (LTTNG_UST_SYM_NAME_LEN + 32) |
| 63 | /* |
| 64 | * Given that the consumerd is limited to 64k file descriptors, we |
| 65 | * cannot expect much more than 1MB channel structure size. This size is |
| 66 | * depends on the number of streams within a channel, which depends on |
| 67 | * the number of possible CPUs on the system. |
| 68 | */ |
| 69 | #define LTTNG_UST_CHANNEL_DATA_MAX_LEN 1048576U |
| 70 | struct lttng_ust_channel { |
| 71 | uint64_t len; |
| 72 | enum lttng_ust_chan_type type; |
| 73 | char padding[LTTNG_UST_CHANNEL_PADDING]; |
| 74 | char data[]; /* variable sized data */ |
| 75 | } LTTNG_PACKED; |
| 76 | |
| 77 | #define LTTNG_UST_STREAM_PADDING1 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 78 | struct lttng_ust_stream { |
| 79 | uint64_t len; /* shm len */ |
| 80 | uint32_t stream_nr; /* stream number */ |
| 81 | char padding[LTTNG_UST_STREAM_PADDING1]; |
| 82 | /* |
| 83 | * shm_fd and wakeup_fd are send over unix socket as file |
| 84 | * descriptors after this structure. |
| 85 | */ |
| 86 | } LTTNG_PACKED; |
| 87 | |
| 88 | |
| 89 | enum lttng_ust_counter_arithmetic { |
| 90 | LTTNG_UST_COUNTER_ARITHMETIC_MODULAR = 0, |
| 91 | LTTNG_UST_COUNTER_ARITHMETIC_SATURATION = 1, |
| 92 | }; |
| 93 | |
| 94 | enum lttng_ust_counter_bitness { |
| 95 | LTTNG_UST_COUNTER_BITNESS_32 = 0, |
| 96 | LTTNG_UST_COUNTER_BITNESS_64 = 1, |
| 97 | }; |
| 98 | |
| 99 | struct lttng_ust_counter_dimension { |
| 100 | uint64_t size; |
| 101 | uint64_t underflow_index; |
| 102 | uint64_t overflow_index; |
| 103 | uint8_t has_underflow; |
| 104 | uint8_t has_overflow; |
| 105 | } LTTNG_PACKED; |
| 106 | |
| 107 | #define LTTNG_UST_COUNTER_DIMENSION_MAX 8 |
| 108 | struct lttng_ust_counter_conf { |
| 109 | uint32_t arithmetic; /* enum lttng_ust_counter_arithmetic */ |
| 110 | uint32_t bitness; /* enum lttng_ust_counter_bitness */ |
| 111 | uint32_t number_dimensions; |
| 112 | int64_t global_sum_step; |
| 113 | struct lttng_ust_counter_dimension dimensions[LTTNG_UST_COUNTER_DIMENSION_MAX]; |
| 114 | } LTTNG_PACKED; |
| 115 | |
| 116 | struct lttng_ust_counter_value { |
| 117 | uint32_t number_dimensions; |
| 118 | uint64_t dimension_indexes[LTTNG_UST_COUNTER_DIMENSION_MAX]; |
| 119 | int64_t value; |
| 120 | } LTTNG_PACKED; |
| 121 | |
| 122 | #define LTTNG_UST_EVENT_PADDING1 8 |
| 123 | #define LTTNG_UST_EVENT_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 124 | struct lttng_ust_event { |
| 125 | enum lttng_ust_instrumentation instrumentation; |
| 126 | char name[LTTNG_UST_SYM_NAME_LEN]; /* event name */ |
| 127 | |
| 128 | enum lttng_ust_loglevel_type loglevel_type; |
| 129 | int loglevel; /* value, -1: all */ |
| 130 | uint64_t token; /* User-provided token */ |
| 131 | char padding[LTTNG_UST_EVENT_PADDING1]; |
| 132 | |
| 133 | /* Per instrumentation type configuration */ |
| 134 | union { |
| 135 | char padding[LTTNG_UST_EVENT_PADDING2]; |
| 136 | } u; |
| 137 | } LTTNG_PACKED; |
| 138 | |
| 139 | #define LTTNG_UST_EVENT_NOTIFIER_PADDING 32 |
| 140 | struct lttng_ust_event_notifier { |
| 141 | struct lttng_ust_event event; |
| 142 | uint64_t error_counter_index; |
| 143 | char padding[LTTNG_UST_EVENT_NOTIFIER_PADDING]; |
| 144 | } LTTNG_PACKED; |
| 145 | |
| 146 | #define LTTNG_EVENT_NOTIFIER_NOTIFICATION_PADDING 32 |
| 147 | struct lttng_ust_event_notifier_notification { |
| 148 | uint64_t token; |
| 149 | uint16_t capture_buf_size; |
| 150 | char padding[LTTNG_EVENT_NOTIFIER_NOTIFICATION_PADDING]; |
| 151 | } LTTNG_PACKED; |
| 152 | |
| 153 | #define LTTNG_UST_COUNTER_PADDING1 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 154 | #define LTTNG_UST_COUNTER_DATA_MAX_LEN 4096U |
| 155 | struct lttng_ust_counter { |
| 156 | uint64_t len; |
| 157 | char padding[LTTNG_UST_COUNTER_PADDING1]; |
| 158 | char data[]; /* variable sized data */ |
| 159 | } LTTNG_PACKED; |
| 160 | |
| 161 | #define LTTNG_UST_COUNTER_GLOBAL_PADDING1 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 162 | struct lttng_ust_counter_global { |
| 163 | uint64_t len; /* shm len */ |
| 164 | char padding[LTTNG_UST_COUNTER_GLOBAL_PADDING1]; |
| 165 | } LTTNG_PACKED; |
| 166 | |
| 167 | #define LTTNG_UST_COUNTER_CPU_PADDING1 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 168 | struct lttng_ust_counter_cpu { |
| 169 | uint64_t len; /* shm len */ |
| 170 | uint32_t cpu_nr; |
| 171 | char padding[LTTNG_UST_COUNTER_CPU_PADDING1]; |
| 172 | } LTTNG_PACKED; |
| 173 | |
| 174 | enum lttng_ust_field_type { |
| 175 | LTTNG_UST_FIELD_OTHER = 0, |
| 176 | LTTNG_UST_FIELD_INTEGER = 1, |
| 177 | LTTNG_UST_FIELD_ENUM = 2, |
| 178 | LTTNG_UST_FIELD_FLOAT = 3, |
| 179 | LTTNG_UST_FIELD_STRING = 4, |
| 180 | }; |
| 181 | |
| 182 | #define LTTNG_UST_FIELD_ITER_PADDING (LTTNG_UST_SYM_NAME_LEN + 28) |
| 183 | struct lttng_ust_field_iter { |
| 184 | char event_name[LTTNG_UST_SYM_NAME_LEN]; |
| 185 | char field_name[LTTNG_UST_SYM_NAME_LEN]; |
| 186 | enum lttng_ust_field_type type; |
| 187 | int loglevel; /* event loglevel */ |
| 188 | int nowrite; |
| 189 | char padding[LTTNG_UST_FIELD_ITER_PADDING]; |
| 190 | } LTTNG_PACKED; |
| 191 | |
| 192 | enum lttng_ust_context_type { |
| 193 | LTTNG_UST_CONTEXT_VTID = 0, |
| 194 | LTTNG_UST_CONTEXT_VPID = 1, |
| 195 | LTTNG_UST_CONTEXT_PTHREAD_ID = 2, |
| 196 | LTTNG_UST_CONTEXT_PROCNAME = 3, |
| 197 | LTTNG_UST_CONTEXT_IP = 4, |
| 198 | LTTNG_UST_CONTEXT_PERF_THREAD_COUNTER = 5, |
| 199 | LTTNG_UST_CONTEXT_CPU_ID = 6, |
| 200 | LTTNG_UST_CONTEXT_APP_CONTEXT = 7, |
| 201 | LTTNG_UST_CONTEXT_CGROUP_NS = 8, |
| 202 | LTTNG_UST_CONTEXT_IPC_NS = 9, |
| 203 | LTTNG_UST_CONTEXT_MNT_NS = 10, |
| 204 | LTTNG_UST_CONTEXT_NET_NS = 11, |
| 205 | LTTNG_UST_CONTEXT_PID_NS = 12, |
| 206 | LTTNG_UST_CONTEXT_USER_NS = 13, |
| 207 | LTTNG_UST_CONTEXT_UTS_NS = 14, |
| 208 | LTTNG_UST_CONTEXT_VUID = 15, |
| 209 | LTTNG_UST_CONTEXT_VEUID = 16, |
| 210 | LTTNG_UST_CONTEXT_VSUID = 17, |
| 211 | LTTNG_UST_CONTEXT_VGID = 18, |
| 212 | LTTNG_UST_CONTEXT_VEGID = 19, |
| 213 | LTTNG_UST_CONTEXT_VSGID = 20, |
| 214 | LTTNG_UST_CONTEXT_TIME_NS = 21, |
| 215 | }; |
| 216 | |
| 217 | struct lttng_ust_perf_counter_ctx { |
| 218 | uint32_t type; |
| 219 | uint64_t config; |
| 220 | char name[LTTNG_UST_SYM_NAME_LEN]; |
| 221 | } LTTNG_PACKED; |
| 222 | |
| 223 | #define LTTNG_UST_CONTEXT_PADDING1 16 |
| 224 | #define LTTNG_UST_CONTEXT_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 225 | struct lttng_ust_context { |
| 226 | enum lttng_ust_context_type ctx; |
| 227 | char padding[LTTNG_UST_CONTEXT_PADDING1]; |
| 228 | |
| 229 | union { |
| 230 | struct lttng_ust_perf_counter_ctx perf_counter; |
| 231 | struct { |
| 232 | /* Includes trailing '\0'. */ |
| 233 | uint32_t provider_name_len; |
| 234 | uint32_t ctx_name_len; |
| 235 | } app_ctx; |
| 236 | char padding[LTTNG_UST_CONTEXT_PADDING2]; |
| 237 | } u; |
| 238 | } LTTNG_PACKED; |
| 239 | |
| 240 | /* |
| 241 | * Tracer channel attributes. |
| 242 | */ |
| 243 | #define LTTNG_UST_CHANNEL_ATTR_PADDING (LTTNG_UST_SYM_NAME_LEN + 32) |
| 244 | struct lttng_ust_channel_attr { |
| 245 | uint64_t subbuf_size; /* bytes */ |
| 246 | uint64_t num_subbuf; /* power of 2 */ |
| 247 | int overwrite; /* 1: overwrite, 0: discard */ |
| 248 | unsigned int switch_timer_interval; /* usec */ |
| 249 | unsigned int read_timer_interval; /* usec */ |
| 250 | enum lttng_ust_output output; /* splice, mmap */ |
| 251 | union { |
| 252 | struct { |
| 253 | int64_t blocking_timeout; /* Blocking timeout (usec) */ |
| 254 | } s; |
| 255 | char padding[LTTNG_UST_CHANNEL_ATTR_PADDING]; |
| 256 | } u; |
| 257 | } LTTNG_PACKED; |
| 258 | |
| 259 | #define LTTNG_UST_TRACEPOINT_ITER_PADDING 16 |
| 260 | struct lttng_ust_tracepoint_iter { |
| 261 | char name[LTTNG_UST_SYM_NAME_LEN]; /* provider:name */ |
| 262 | int loglevel; |
| 263 | char padding[LTTNG_UST_TRACEPOINT_ITER_PADDING]; |
| 264 | } LTTNG_PACKED; |
| 265 | |
| 266 | enum lttng_ust_object_type { |
| 267 | LTTNG_UST_OBJECT_TYPE_UNKNOWN = -1, |
| 268 | LTTNG_UST_OBJECT_TYPE_CHANNEL = 0, |
| 269 | LTTNG_UST_OBJECT_TYPE_STREAM = 1, |
| 270 | LTTNG_UST_OBJECT_TYPE_EVENT = 2, |
| 271 | LTTNG_UST_OBJECT_TYPE_CONTEXT = 3, |
| 272 | LTTNG_UST_OBJECT_TYPE_EVENT_NOTIFIER_GROUP = 4, |
| 273 | LTTNG_UST_OBJECT_TYPE_EVENT_NOTIFIER = 5, |
| 274 | LTTNG_UST_OBJECT_TYPE_COUNTER = 6, |
| 275 | LTTNG_UST_OBJECT_TYPE_COUNTER_GLOBAL = 7, |
| 276 | LTTNG_UST_OBJECT_TYPE_COUNTER_CPU = 8, |
| 277 | }; |
| 278 | |
| 279 | #define LTTNG_UST_OBJECT_DATA_PADDING1 32 |
| 280 | #define LTTNG_UST_OBJECT_DATA_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 281 | |
| 282 | struct lttng_ust_object_data { |
| 283 | enum lttng_ust_object_type type; |
| 284 | int handle; |
| 285 | uint64_t size; |
| 286 | char padding1[LTTNG_UST_OBJECT_DATA_PADDING1]; |
| 287 | union { |
| 288 | struct { |
| 289 | void *data; |
| 290 | enum lttng_ust_chan_type type; |
| 291 | int wakeup_fd; |
| 292 | } channel; |
| 293 | struct { |
| 294 | int shm_fd; |
| 295 | int wakeup_fd; |
| 296 | uint32_t stream_nr; |
| 297 | } stream; |
| 298 | struct { |
| 299 | void *data; |
| 300 | } counter; |
| 301 | struct { |
| 302 | int shm_fd; |
| 303 | } counter_global; |
| 304 | struct { |
| 305 | int shm_fd; |
| 306 | uint32_t cpu_nr; |
| 307 | } counter_cpu; |
| 308 | char padding2[LTTNG_UST_OBJECT_DATA_PADDING2]; |
| 309 | } u; |
| 310 | } LTTNG_PACKED; |
| 311 | |
| 312 | enum lttng_ust_calibrate_type { |
| 313 | LTTNG_UST_CALIBRATE_TRACEPOINT, |
| 314 | }; |
| 315 | |
| 316 | #define LTTNG_UST_CALIBRATE_PADDING1 16 |
| 317 | #define LTTNG_UST_CALIBRATE_PADDING2 (LTTNG_UST_SYM_NAME_LEN + 32) |
| 318 | struct lttng_ust_calibrate { |
| 319 | enum lttng_ust_calibrate_type type; /* type (input) */ |
| 320 | char padding[LTTNG_UST_CALIBRATE_PADDING1]; |
| 321 | |
| 322 | union { |
| 323 | char padding[LTTNG_UST_CALIBRATE_PADDING2]; |
| 324 | } u; |
| 325 | } LTTNG_PACKED; |
| 326 | |
| 327 | #define FILTER_BYTECODE_MAX_LEN 65536 |
| 328 | #define LTTNG_UST_FILTER_PADDING 32 |
| 329 | struct lttng_ust_filter_bytecode { |
| 330 | uint32_t len; |
| 331 | uint32_t reloc_offset; |
| 332 | uint64_t seqnum; |
| 333 | char padding[LTTNG_UST_FILTER_PADDING]; |
| 334 | char data[0]; |
| 335 | } LTTNG_PACKED; |
| 336 | |
| 337 | #define CAPTURE_BYTECODE_MAX_LEN 65536 |
| 338 | #define LTTNG_UST_CAPTURE_PADDING 32 |
| 339 | struct lttng_ust_capture_bytecode { |
| 340 | uint32_t len; |
| 341 | uint32_t reloc_offset; |
| 342 | uint64_t seqnum; |
| 343 | char padding[LTTNG_UST_CAPTURE_PADDING]; |
| 344 | char data[0]; |
| 345 | } LTTNG_PACKED; |
| 346 | |
| 347 | #define LTTNG_UST_EXCLUSION_PADDING 32 |
| 348 | struct lttng_ust_event_exclusion { |
| 349 | uint32_t count; |
| 350 | char padding[LTTNG_UST_EXCLUSION_PADDING]; |
| 351 | char names[LTTNG_UST_SYM_NAME_LEN][0]; |
| 352 | } LTTNG_PACKED; |
| 353 | |
| 354 | #define _UST_CMD(minor) (minor) |
| 355 | #define _UST_CMDR(minor, type) (minor) |
| 356 | #define _UST_CMDW(minor, type) (minor) |
| 357 | |
| 358 | /* Handled by object descriptor */ |
| 359 | #define LTTNG_UST_RELEASE _UST_CMD(0x1) |
| 360 | |
| 361 | /* Handled by object cmd */ |
| 362 | |
| 363 | /* LTTng-UST commands */ |
| 364 | #define LTTNG_UST_SESSION _UST_CMD(0x40) |
| 365 | #define LTTNG_UST_TRACER_VERSION \ |
| 366 | _UST_CMDR(0x41, struct lttng_ust_tracer_version) |
| 367 | #define LTTNG_UST_TRACEPOINT_LIST _UST_CMD(0x42) |
| 368 | #define LTTNG_UST_WAIT_QUIESCENT _UST_CMD(0x43) |
| 369 | #define LTTNG_UST_REGISTER_DONE _UST_CMD(0x44) |
| 370 | #define LTTNG_UST_TRACEPOINT_FIELD_LIST _UST_CMD(0x45) |
| 371 | #define LTTNG_UST_EVENT_NOTIFIER_GROUP_CREATE _UST_CMD(0x46) |
| 372 | |
| 373 | /* Session commands */ |
| 374 | #define LTTNG_UST_CHANNEL \ |
| 375 | _UST_CMDW(0x51, struct lttng_ust_channel) |
| 376 | #define LTTNG_UST_SESSION_START _UST_CMD(0x52) |
| 377 | #define LTTNG_UST_SESSION_STOP _UST_CMD(0x53) |
| 378 | #define LTTNG_UST_SESSION_STATEDUMP _UST_CMD(0x54) |
| 379 | |
| 380 | /* Channel commands */ |
| 381 | #define LTTNG_UST_STREAM _UST_CMD(0x60) |
| 382 | #define LTTNG_UST_EVENT \ |
| 383 | _UST_CMDW(0x61, struct lttng_ust_event) |
| 384 | |
| 385 | /* Event and channel commands */ |
| 386 | #define LTTNG_UST_CONTEXT \ |
| 387 | _UST_CMDW(0x70, struct lttng_ust_context) |
| 388 | #define LTTNG_UST_FLUSH_BUFFER \ |
| 389 | _UST_CMD(0x71) |
| 390 | |
| 391 | /* Event, event notifier, channel and session commands */ |
| 392 | #define LTTNG_UST_ENABLE _UST_CMD(0x80) |
| 393 | #define LTTNG_UST_DISABLE _UST_CMD(0x81) |
| 394 | |
| 395 | /* Tracepoint list commands */ |
| 396 | #define LTTNG_UST_TRACEPOINT_LIST_GET _UST_CMD(0x90) |
| 397 | #define LTTNG_UST_TRACEPOINT_FIELD_LIST_GET _UST_CMD(0x91) |
| 398 | |
| 399 | /* Event and event notifier commands */ |
| 400 | #define LTTNG_UST_FILTER _UST_CMD(0xA0) |
| 401 | #define LTTNG_UST_EXCLUSION _UST_CMD(0xA1) |
| 402 | |
| 403 | /* Event notifier group commands */ |
| 404 | #define LTTNG_UST_EVENT_NOTIFIER_CREATE \ |
| 405 | _UST_CMDW(0xB0, struct lttng_ust_event_notifier) |
| 406 | |
| 407 | /* Event notifier commands */ |
| 408 | #define LTTNG_UST_CAPTURE _UST_CMD(0xB6) |
| 409 | |
| 410 | /* Session and event notifier group commands */ |
| 411 | #define LTTNG_UST_COUNTER \ |
| 412 | _UST_CMDW(0xC0, struct lttng_ust_counter) |
| 413 | |
| 414 | /* Counter commands */ |
| 415 | #define LTTNG_UST_COUNTER_GLOBAL \ |
| 416 | _UST_CMDW(0xD0, struct lttng_ust_counter_global) |
| 417 | #define LTTNG_UST_COUNTER_CPU \ |
| 418 | _UST_CMDW(0xD1, struct lttng_ust_counter_cpu) |
| 419 | |
| 420 | #define LTTNG_UST_ROOT_HANDLE 0 |
| 421 | |
| 422 | struct lttng_ust_obj; |
| 423 | |
| 424 | union ust_args { |
| 425 | struct { |
| 426 | void *chan_data; |
| 427 | int wakeup_fd; |
| 428 | } channel; |
| 429 | struct { |
| 430 | int shm_fd; |
| 431 | int wakeup_fd; |
| 432 | } stream; |
| 433 | struct { |
| 434 | struct lttng_ust_field_iter entry; |
| 435 | } field_list; |
| 436 | struct { |
| 437 | char *ctxname; |
| 438 | } app_context; |
| 439 | struct { |
| 440 | int event_notifier_notif_fd; |
| 441 | } event_notifier_handle; |
| 442 | struct { |
| 443 | void *counter_data; |
| 444 | } counter; |
| 445 | struct { |
| 446 | int shm_fd; |
| 447 | } counter_shm; |
| 448 | }; |
| 449 | |
| 450 | struct lttng_ust_objd_ops { |
| 451 | long (*cmd)(int objd, unsigned int cmd, unsigned long arg, |
| 452 | union ust_args *args, void *owner); |
| 453 | int (*release)(int objd); |
| 454 | }; |
| 455 | |
| 456 | /* Create root handle. Always ID 0. */ |
| 457 | int lttng_abi_create_root_handle(void); |
| 458 | |
| 459 | const struct lttng_ust_objd_ops *objd_ops(int id); |
| 460 | int lttng_ust_objd_unref(int id, int is_owner); |
| 461 | |
| 462 | void lttng_ust_abi_exit(void); |
| 463 | void lttng_ust_events_exit(void); |
| 464 | void lttng_ust_objd_table_owner_cleanup(void *owner); |
| 465 | |
| 466 | #endif /* _LTTNG_UST_ABI_H */ |