Keep perf context FD open for other architectures
[lttng-ust.git] / liblttng-ust / tracelog.c
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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>
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27
28#define TRACEPOINT_CREATE_PROBES
29#define TRACEPOINT_DEFINE
30#include "lttng-ust-tracelog-provider.h"
31
32#define TRACELOG_CB(level) \
33 void _lttng_ust_tracelog_##level(const char *file, \
34 int line, const char *func, \
35 const char *fmt, ...) \
36 { \
37 va_list ap; \
38 char *msg; \
39 int len; \
40 \
41 va_start(ap, fmt); \
42 len = vasprintf(&msg, fmt, ap); \
43 /* len does not include the final \0 */ \
44 if (len < 0) \
45 goto end; \
46 __tracepoint_cb_lttng_ust_tracelog___##level(file, \
47 line, func, msg, len, \
171fcc6f 48 LTTNG_UST_CALLER_IP()); \
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49 free(msg); \
50 end: \
51 va_end(ap); \
52 }
53
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54TRACELOG_CB(TRACE_EMERG)
55TRACELOG_CB(TRACE_ALERT)
56TRACELOG_CB(TRACE_CRIT)
57TRACELOG_CB(TRACE_ERR)
58TRACELOG_CB(TRACE_WARNING)
59TRACELOG_CB(TRACE_NOTICE)
60TRACELOG_CB(TRACE_INFO)
61TRACELOG_CB(TRACE_DEBUG_SYSTEM)
62TRACELOG_CB(TRACE_DEBUG_PROGRAM)
63TRACELOG_CB(TRACE_DEBUG_PROCESS)
64TRACELOG_CB(TRACE_DEBUG_MODULE)
65TRACELOG_CB(TRACE_DEBUG_UNIT)
66TRACELOG_CB(TRACE_DEBUG_FUNCTION)
67TRACELOG_CB(TRACE_DEBUG_LINE)
68TRACELOG_CB(TRACE_DEBUG)
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