Fix: namespace our gettid wrapper
[lttng-tools.git] / src / common / compat / tid.h
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1/*
2 * Copyright 2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
3 *
4 * gettid compatibility layer.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25#ifndef LTTNG_TID_H
26#define LTTNG_TID_H
27
28#ifdef __linux__
29#include <syscall.h>
30#endif
31
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32#if defined(__NR_gettid)
33
ffe60014 34#include <unistd.h>
557ac9b9 35static inline pid_t lttng_gettid(void)
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36{
37 return syscall(__NR_gettid);
38}
557ac9b9 39
ffe60014 40#else
557ac9b9 41
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42#include <sys/types.h>
43#include <unistd.h>
44
45/* Fall-back on getpid for tid if not available. */
557ac9b9 46static inline pid_t lttng_gettid(void)
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47{
48 return getpid();
49}
557ac9b9 50
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51#endif
52
53#endif /* LTTNG_TID_H */
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