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641c659a MD |
1 | /* |
2 | * Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
23 | #define _GNU_SOURCE | |
24 | #define _LGPL_SOURCE | |
25 | #include <stdio.h> | |
171fcc6f | 26 | #include <helper.h> |
641c659a MD |
27 | |
28 | #define TRACEPOINT_CREATE_PROBES | |
29 | #define TRACEPOINT_DEFINE | |
30 | #include "lttng-ust-tracef-provider.h" | |
31 | ||
cfd56ee1 MRB |
32 | static inline __attribute__((always_inline)) |
33 | void __lttng_ust_vtracef(const char *fmt, va_list ap) | |
641c659a | 34 | { |
641c659a | 35 | char *msg; |
cfd56ee1 | 36 | const int len = vasprintf(&msg, fmt, ap); |
641c659a | 37 | |
641c659a MD |
38 | /* len does not include the final \0 */ |
39 | if (len < 0) | |
40 | goto end; | |
5dadb547 | 41 | __tracepoint_cb_lttng_ust_tracef___event(msg, len, |
171fcc6f | 42 | LTTNG_UST_CALLER_IP()); |
641c659a MD |
43 | free(msg); |
44 | end: | |
cfd56ee1 MRB |
45 | return; |
46 | } | |
47 | ||
48 | void _lttng_ust_vtracef(const char *fmt, va_list ap) | |
49 | { | |
50 | __lttng_ust_vtracef(fmt, ap); | |
51 | } | |
52 | ||
53 | void _lttng_ust_tracef(const char *fmt, ...) | |
54 | { | |
55 | va_list ap; | |
56 | ||
57 | va_start(ap, fmt); | |
58 | __lttng_ust_vtracef(fmt, ap); | |
641c659a MD |
59 | va_end(ap); |
60 | } |