| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #include <stdlib.h> |
| 8 | #include <time.h> |
| 9 | #include <string.h> |
| 10 | #include <stdio.h> |
| 11 | #include <lttng/ust-getcpu.h> |
| 12 | |
| 13 | static |
| 14 | int plugin_getcpu(void) |
| 15 | { |
| 16 | /* Dummy: always return CPU 0. */ |
| 17 | return 0; |
| 18 | } |
| 19 | |
| 20 | /* |
| 21 | * Entry-point called by liblttng-ust through dlsym(); |
| 22 | */ |
| 23 | void lttng_ust_getcpu_plugin_init(void); |
| 24 | void lttng_ust_getcpu_plugin_init(void) |
| 25 | { |
| 26 | int ret; |
| 27 | |
| 28 | ret = lttng_ust_getcpu_override(plugin_getcpu); |
| 29 | if (ret) { |
| 30 | fprintf(stderr, "Error enabling getcpu override: %s\n", |
| 31 | strerror(-ret)); |
| 32 | goto error; |
| 33 | } |
| 34 | return; |
| 35 | |
| 36 | error: |
| 37 | exit(EXIT_FAILURE); |
| 38 | } |