| 1 | /* |
| 2 | * Copyright 2012 (C) Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef LTTNG_TID_H |
| 9 | #define LTTNG_TID_H |
| 10 | |
| 11 | #ifdef __linux__ |
| 12 | #include <syscall.h> |
| 13 | #endif |
| 14 | |
| 15 | #if defined(__NR_gettid) |
| 16 | |
| 17 | #include <unistd.h> |
| 18 | static inline pid_t lttng_gettid(void) |
| 19 | { |
| 20 | return syscall(__NR_gettid); |
| 21 | } |
| 22 | |
| 23 | #else |
| 24 | |
| 25 | #include <sys/types.h> |
| 26 | #include <unistd.h> |
| 27 | |
| 28 | /* Fall-back on getpid for tid if not available. */ |
| 29 | static inline pid_t lttng_gettid(void) |
| 30 | { |
| 31 | return getpid(); |
| 32 | } |
| 33 | |
| 34 | #endif |
| 35 | |
| 36 | #endif /* LTTNG_TID_H */ |