82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
#ifndef _TEST_THREAD_ID_H
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#define _TEST_THREAD_ID_H
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/*
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* thread-id.h
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*
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* Userspace RCU library - thread ID
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*
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* Copyright 2013 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
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*
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* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
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* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
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*
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* Permission is hereby granted to use or copy this program
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* for any purpose, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*/
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#ifdef __linux__
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# include <urcu/syscall-compat.h>
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# if defined(HAVE_GETTID)
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/*
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* Do not redefine gettid() as it is already included
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* in bionic through <unistd.h>. Some other libc
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* may also already contain an implementation of gettid.
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*/
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# elif defined(_syscall0)
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_syscall0(pid_t, gettid)
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# elif defined(__NR_gettid)
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static inline pid_t gettid(void)
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{
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return syscall(__NR_gettid);
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}
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# endif
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static inline
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unsigned long urcu_get_thread_id(void)
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{
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return (unsigned long) gettid();
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}
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#elif defined(__FreeBSD__)
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# include <pthread_np.h>
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static inline
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unsigned long urcu_get_thread_id(void)
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{
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return (unsigned long) pthread_getthreadid_np();
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}
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#elif defined(__sun__) || defined(__APPLE__)
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#include <pthread.h>
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static inline
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unsigned long urcu_get_thread_id(void)
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{
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return (unsigned long) pthread_self();
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}
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#elif defined(__CYGWIN__)
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#include <pthread.h>
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extern unsigned long pthread_getsequence_np(pthread_t *);
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static inline
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unsigned long urcu_get_thread_id(void)
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{
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pthread_t thr = pthread_self();
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return pthread_getsequence_np(&thr);
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}
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#else
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# warning "use pid as thread ID"
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static inline
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unsigned long urcu_get_thread_id(void)
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{
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return (unsigned long) getpid();
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}
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#endif
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#endif /* _TEST_THREAD_ID_H */
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