/usr/include/freeradius/threads.h is in libfreeradius-dev 2.2.5+dfsg-0.2+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* $Id: f71fbfd5a9cb02ddd3bb4ae3d46bfa9176142db3 $
*
* @file threads.h
* @brief Macros to abstract Thread Local Storage
*
* @copyright 2013 The FreeRADIUS server project
*/
typedef void (*pthread_destructor_t)(void*);
/*
* First figure whether we have compiler support this is usually the case except on OSX,
* where we need to use pthreads.
*/
#ifdef HAVE_THREAD_TLS
/*
* GCC on most Linux systems
*/
# define __THREAD __thread
#elif defined(HAVE_DECLSPEC_THREAD)
/*
* Visual C++, Borland (microsoft)
*/
# define __THREAD __declspec(thread)
#endif
/*
* Now we define three macros for initialisation, updating, and retrieving
*/
#ifndef WITH_THREADS
# define fr_thread_local_setup(_x, _n) static _x _n
/*
* @todo we really need to put destructors in a global array and call them on server exit
*/
# define fr_thread_local_init(_n, _f) _n
# define fr_thread_local_set(_n, _v) ((int)!((_n = _v) || 1))
# define fr_thread_local_get(_n) _n
#elif !defined(HAVE_PTHREAD_H)
#error WITH_THREADS defined, but pthreads not available
#elif defined(__THREAD)
# include <pthread.h>
# define fr_thread_local_setup(_t, _n) static __THREAD _t _n;\
static pthread_key_t __fr_thread_local_key_##_n;\
static pthread_once_t __fr_thread_local_once_##_n = PTHREAD_ONCE_INIT;\
static pthread_destructor_t __fr_thread_local_destructor_##_n = NULL;\
static inline void __fr_thread_local_key_init_##_n(void)\
{\
(void) pthread_key_create(&__fr_thread_local_key_##_n, __fr_thread_local_destructor_##_n);\
}\
static inline _t __fr_thread_local_init_##_n(pthread_destructor_t func)\
{\
__fr_thread_local_destructor_##_n = func;\
(void) pthread_once(&__fr_thread_local_once_##_n, __fr_thread_local_key_init_##_n);\
return _n;\
}
# define fr_thread_local_init(_n, _f) __fr_thread_local_init_##_n(_f)
# define fr_thread_local_set(_n, _v) ((int)!((_n = _v) || 1))
# define fr_thread_local_get(_n) _n
#elif defined(HAVE_PTHREAD_H)
# include <pthread.h>
# define fr_thread_local_setup(_t, _n) \
static pthread_key_t __fr_thread_local_key_##_n;\
static pthread_once_t __fr_thread_local_once_##_n = PTHREAD_ONCE_INIT;\
static pthread_destructor_t __fr_thread_local_destructor_##_n = NULL; \
static inline void __fr_thread_local_key_init_##_n(void)\
{\
(void) pthread_key_create(&__fr_thread_local_key_##_n, __fr_thread_local_destructor_##_n);\
}\
static inline _t __fr_thread_local_init_##_n(pthread_destructor_t func)\
{\
__fr_thread_local_destructor_##_n = func;\
(void) pthread_once(&__fr_thread_local_once_##_n, __fr_thread_local_key_init_##_n);\
return pthread_getspecific(__fr_thread_local_key_##_n);\
}\
static inline _t __fr_thread_local_get_##_n(void)\
{\
return pthread_getspecific(__fr_thread_local_key_##_n);\
}\
static inline int __fr_thread_local_set_##_n(_t val)\
{\
return pthread_setspecific(__fr_thread_local_key_##_n, val);\
}
# define fr_thread_local_init(_n, _f) __fr_thread_local_init_##_n(_f)
# define fr_thread_local_set(_n, _v) __fr_thread_local_set_##_n(_v)
# define fr_thread_local_get(_n) __fr_thread_local_get_##_n()
#endif
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