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49c0da7d | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: MIT |
49c0da7d | 3 | * |
c0c0989a | 4 | * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
49c0da7d MD |
5 | * |
6 | * gettid compatibility layer. | |
49c0da7d MD |
7 | */ |
8 | ||
9d315d6d MJ |
9 | #ifndef _UST_COMMON_COMPAT_GETTID_H |
10 | #define _UST_COMMON_COMPAT_GETTID_H | |
c0c0989a | 11 | |
49c0da7d | 12 | #ifdef __linux__ |
809b9294 | 13 | #include <sys/syscall.h> |
49c0da7d MD |
14 | #endif |
15 | ||
4f86e0d0 MJ |
16 | #ifdef HAVE_GETTID |
17 | ||
18 | #include <unistd.h> | |
19 | static inline pid_t lttng_gettid(void) | |
20 | { | |
21 | return gettid(); | |
22 | } | |
23 | ||
24 | #elif defined(__NR_gettid) | |
0f029713 | 25 | |
49c0da7d | 26 | #include <unistd.h> |
0f029713 | 27 | static inline pid_t lttng_gettid(void) |
49c0da7d MD |
28 | { |
29 | return syscall(__NR_gettid); | |
30 | } | |
0f029713 | 31 | |
49c0da7d | 32 | #else |
0f029713 | 33 | |
49c0da7d MD |
34 | #include <sys/types.h> |
35 | #include <unistd.h> | |
36 | ||
d02d8cf8 | 37 | /* Fall-back on getpid for tid if not available. */ |
0f029713 | 38 | static inline pid_t lttng_gettid(void) |
49c0da7d MD |
39 | { |
40 | return getpid(); | |
41 | } | |
0f029713 | 42 | |
49c0da7d MD |
43 | #endif |
44 | ||
9d315d6d | 45 | #endif /* _UST_COMMON_COMPAT_GETTID_H */ |