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53f7d0d7 MJ |
1 | // SPDX-FileCopyrightText: 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
2 | // | |
3 | // SPDX-License-Identifier: LGPL-2.1-only | |
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4 | |
5 | #include <stdarg.h> | |
6 | #include <stdlib.h> | |
7 | #include <stdio.h> | |
8 | #include <unistd.h> | |
9 | ||
10 | #include <lttng/tracelog.h> | |
11 | ||
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12 | static |
13 | void print_err(const char* msg, ...) | |
14 | __attribute__((format(printf, 1, 2))); | |
15 | static | |
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16 | void print_err(const char* msg, ...) |
17 | { | |
18 | va_list ap; | |
19 | ||
20 | va_start(ap, msg); | |
1698631b | 21 | lttng_ust_vtracelog(LTTNG_UST_TRACEPOINT_LOGLEVEL_ERR, msg, ap); |
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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 | } |