Commit | Line | Data |
---|---|---|
b02dcdb8 MD |
1 | /* |
2 | * Copyright (C) - 2012 David Goulet <dgoulet@efficios.com> | |
3 | * Copyright (C) - 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
5 | * This library is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU Lesser General Public License as published by the | |
7 | * Free Software Foundation; version 2.1 of the License. | |
8 | * | |
9 | * This library 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 Lesser General Public License | |
12 | * for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public License | |
15 | * along with this library; if not, write to the Free Software Foundation, | |
16 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
70dac0d7 | 19 | #define _LGPL_SOURCE |
b02dcdb8 MD |
20 | #include <assert.h> |
21 | #include <fcntl.h> | |
22 | #include <stdarg.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | #include <sys/mman.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/types.h> | |
29 | #include <unistd.h> | |
30 | ||
31 | #include <lttng/tracef.h> | |
32 | ||
33 | const char *str = "test string"; | |
34 | ||
35 | void create_file(const char *path) | |
36 | { | |
37 | int ret; | |
38 | ||
39 | assert(path); | |
40 | ||
41 | ret = creat(path, S_IRWXU); | |
42 | if (ret < 0) { | |
43 | fprintf(stderr, "Failed to create file %s\n", path); | |
44 | return; | |
45 | } | |
46 | ||
47 | (void) close(ret); | |
48 | } | |
49 | ||
50 | int main(int argc, char **argv) | |
51 | { | |
52 | int i; | |
53 | unsigned int nr_iter = 100; | |
54 | useconds_t nr_usec = 0; | |
55 | char *tmp_file_path = NULL; | |
56 | ||
57 | if (argc >= 2) { | |
58 | nr_iter = atoi(argv[1]); | |
59 | } | |
60 | ||
61 | if (argc >= 3) { | |
62 | /* By default, don't wait unless user specifies. */ | |
63 | nr_usec = atoi(argv[2]); | |
64 | } | |
65 | ||
66 | if (argc >= 4) { | |
67 | tmp_file_path = argv[3]; | |
68 | } | |
69 | ||
70 | for (i = 0; i < nr_iter; i++) { | |
71 | tracef("Test message %d with string \"%s\"", i, str); | |
72 | ||
73 | /* | |
74 | * First loop we create the file if asked to indicate | |
75 | * that at least one tracepoint has been hit. | |
76 | */ | |
77 | if (i == 0 && tmp_file_path) { | |
78 | create_file(tmp_file_path); | |
79 | } | |
80 | usleep(nr_usec); | |
81 | } | |
82 | ||
83 | return 0; | |
84 | } |