| 1 | #ifndef _TEST_THREAD_ID_H |
| 2 | #define _TEST_THREAD_ID_H |
| 3 | |
| 4 | /* |
| 5 | * thread-id.h |
| 6 | * |
| 7 | * Userspace RCU library - thread ID |
| 8 | * |
| 9 | * Copyright 2013 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> |
| 10 | * |
| 11 | * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED |
| 12 | * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. |
| 13 | * |
| 14 | * Permission is hereby granted to use or copy this program |
| 15 | * for any purpose, provided the above notices are retained on all copies. |
| 16 | * Permission to modify the code and to distribute modified code is granted, |
| 17 | * provided the above notices are retained, and a notice that the code was |
| 18 | * modified is included with the above copyright notice. |
| 19 | */ |
| 20 | |
| 21 | #ifdef __linux__ |
| 22 | # include <urcu/syscall-compat.h> |
| 23 | |
| 24 | # if defined(HAVE_GETTID) |
| 25 | /* |
| 26 | * Do not redefine gettid() as it is already included |
| 27 | * in bionic through <unistd.h>. Some other libc |
| 28 | * may also already contain an implementation of gettid. |
| 29 | */ |
| 30 | # elif defined(_syscall0) |
| 31 | _syscall0(pid_t, gettid) |
| 32 | # elif defined(__NR_gettid) |
| 33 | static inline pid_t gettid(void) |
| 34 | { |
| 35 | return syscall(__NR_gettid); |
| 36 | } |
| 37 | # endif |
| 38 | |
| 39 | static inline |
| 40 | unsigned long urcu_get_thread_id(void) |
| 41 | { |
| 42 | return (unsigned long) gettid(); |
| 43 | } |
| 44 | #elif defined(__FreeBSD__) |
| 45 | # include <pthread_np.h> |
| 46 | |
| 47 | static inline |
| 48 | unsigned long urcu_get_thread_id(void) |
| 49 | { |
| 50 | return (unsigned long) pthread_getthreadid_np(); |
| 51 | } |
| 52 | #elif defined(__sun__) || defined(__APPLE__) |
| 53 | #include <pthread.h> |
| 54 | |
| 55 | static inline |
| 56 | unsigned long urcu_get_thread_id(void) |
| 57 | { |
| 58 | return (unsigned long) pthread_self(); |
| 59 | } |
| 60 | #elif defined(__CYGWIN__) |
| 61 | #include <pthread.h> |
| 62 | |
| 63 | extern unsigned long pthread_getsequence_np(pthread_t *); |
| 64 | |
| 65 | static inline |
| 66 | unsigned long urcu_get_thread_id(void) |
| 67 | { |
| 68 | pthread_t thr = pthread_self(); |
| 69 | return pthread_getsequence_np(&thr); |
| 70 | } |
| 71 | |
| 72 | #else |
| 73 | # warning "use pid as thread ID" |
| 74 | static inline |
| 75 | unsigned long urcu_get_thread_id(void) |
| 76 | { |
| 77 | return (unsigned long) getpid(); |
| 78 | } |
| 79 | #endif |
| 80 | |
| 81 | #endif /* _TEST_THREAD_ID_H */ |