| 1 | // SPDX-FileCopyrightText: 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 2 | // |
| 3 | // SPDX-License-Identifier: LGPL-2.1-only |
| 4 | |
| 5 | #include <stdarg.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <stdio.h> |
| 8 | #include <unistd.h> |
| 9 | |
| 10 | #include <lttng/tracelog.h> |
| 11 | |
| 12 | static |
| 13 | void print_err(const char* msg, ...) |
| 14 | __attribute__((format(printf, 1, 2))); |
| 15 | static |
| 16 | void print_err(const char* msg, ...) |
| 17 | { |
| 18 | va_list ap; |
| 19 | |
| 20 | va_start(ap, msg); |
| 21 | lttng_ust_vtracelog(LTTNG_UST_TRACEPOINT_LOGLEVEL_ERR, msg, ap); |
| 22 | va_end(ap); |
| 23 | } |
| 24 | |
| 25 | int main(int argc, char **argv) |
| 26 | { |
| 27 | int i; |
| 28 | int delay = 0; |
| 29 | const char *str = "mystring test"; |
| 30 | long l = 0x42; |
| 31 | |
| 32 | if (argc > 2) |
| 33 | delay = atoi(argv[1]); |
| 34 | |
| 35 | fprintf(stderr, "Demo program starting.\n"); |
| 36 | |
| 37 | sleep(delay); |
| 38 | |
| 39 | fprintf(stderr, "Tracing... "); |
| 40 | |
| 41 | for (i = 0; i < 5; i++) { |
| 42 | print_err("This is a \"%s\" formatted %d error event %lx", str, i, l); |
| 43 | } |
| 44 | |
| 45 | fprintf(stderr, " done.\n"); |
| 46 | return 0; |
| 47 | } |