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fbe5a4a6 | 1 | /* RTEMS threads compatibility routines for libgcc2 and libobjc. |
bc98ef7f JS |
2 | by: Rosimildo da Silva( rdasilva@connecttel.com ) */ |
3 | /* Compile this one with gcc. */ | |
5d58d2f8 RC |
4 | /* Copyright (C) 1997, 1999, 2000, 2002, 2003, 2005 |
5 | Free Software Foundation, Inc. | |
bc98ef7f | 6 | |
1322177d | 7 | This file is part of GCC. |
bc98ef7f | 8 | |
1322177d LB |
9 | GCC is free software; you can redistribute it and/or modify it under |
10 | the terms of the GNU General Public License as published by the Free | |
11 | Software Foundation; either version 2, or (at your option) any later | |
12 | version. | |
bc98ef7f | 13 | |
1322177d LB |
14 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
15 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 | for more details. | |
bc98ef7f JS |
18 | |
19 | You should have received a copy of the GNU General Public License | |
1322177d | 20 | along with GCC; see the file COPYING. If not, write to the Free |
366ccddb KC |
21 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
22 | 02110-1301, USA. */ | |
bc98ef7f JS |
23 | |
24 | /* As a special exception, if you link this library with other files, | |
25 | some of which are compiled with GCC, to produce an executable, | |
26 | this library does not by itself cause the resulting executable | |
27 | to be covered by the GNU General Public License. | |
28 | This exception does not however invalidate any other reasons why | |
29 | the executable file might be covered by the GNU General Public License. */ | |
30 | ||
88657302 RH |
31 | #ifndef GCC_GTHR_RTEMS_H |
32 | #define GCC_GTHR_RTEMS_H | |
bc98ef7f | 33 | |
f22b4bc4 JS |
34 | #ifdef __cplusplus |
35 | extern "C" { | |
36 | #endif | |
bc98ef7f JS |
37 | |
38 | #define __GTHREADS 1 | |
39 | ||
40 | #define __GTHREAD_ONCE_INIT 0 | |
0680c8fb | 41 | #define __GTHREAD_MUTEX_INIT 0 |
bc98ef7f | 42 | #define __GTHREAD_MUTEX_INIT_FUNCTION rtems_gxx_mutex_init |
5d58d2f8 | 43 | #define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION rtems_gxx_recursive_mutex_init |
bc98ef7f | 44 | |
fbe5a4a6 | 45 | /* Avoid dependency on rtems specific headers. */ |
bc98ef7f JS |
46 | typedef void *__gthread_key_t; |
47 | typedef int __gthread_once_t; | |
48 | typedef void *__gthread_mutex_t; | |
5d58d2f8 | 49 | typedef void *__gthread_recursive_mutex_t; |
bc98ef7f JS |
50 | |
51 | /* | |
589005ff | 52 | * External functions provided by RTEMS. They are very similar to their POSIX |
bc98ef7f JS |
53 | * counterparts. A "Wrapper API" is being use to avoid dependency on any RTEMS |
54 | * header files. | |
55 | */ | |
56 | ||
57 | /* generic per task variables */ | |
1b61552b | 58 | extern int rtems_gxx_once (__gthread_once_t *once, void (*func) (void)); |
bc98ef7f | 59 | extern int rtems_gxx_key_create (__gthread_key_t *key, void (*dtor) (void *)); |
bc98ef7f JS |
60 | extern int rtems_gxx_key_delete (__gthread_key_t key); |
61 | extern void *rtems_gxx_getspecific (__gthread_key_t key); | |
62 | extern int rtems_gxx_setspecific (__gthread_key_t key, const void *ptr); | |
63 | ||
64 | /* mutex support */ | |
65 | extern void rtems_gxx_mutex_init (__gthread_mutex_t *mutex); | |
66 | extern int rtems_gxx_mutex_lock (__gthread_mutex_t *mutex); | |
67 | extern int rtems_gxx_mutex_trylock (__gthread_mutex_t *mutex); | |
68 | extern int rtems_gxx_mutex_unlock (__gthread_mutex_t *mutex); | |
69 | ||
5d58d2f8 RC |
70 | /* recursive mutex support */ |
71 | extern void rtems_gxx_recursive_mutex_init (__gthread_recursive_mutex_t *mutex); | |
72 | extern int rtems_gxx_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex); | |
73 | extern int rtems_gxx_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex); | |
74 | extern int rtems_gxx_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex); | |
bc98ef7f | 75 | |
e08f13ee JS |
76 | /* RTEMS threading is always active */ |
77 | static inline int | |
78 | __gthread_active_p (void) | |
79 | { | |
80 | return 1; | |
81 | } | |
82 | ||
bc98ef7f JS |
83 | /* Wrapper calls */ |
84 | static inline int | |
1b61552b | 85 | __gthread_once (__gthread_once_t *once, void (*func) (void)) |
bc98ef7f JS |
86 | { |
87 | return rtems_gxx_once( once, func ); | |
88 | } | |
89 | ||
90 | static inline int | |
91 | __gthread_key_create (__gthread_key_t *key, void (*dtor) (void *)) | |
92 | { | |
93 | return rtems_gxx_key_create( key, dtor ); | |
94 | } | |
95 | ||
bc98ef7f JS |
96 | static inline int |
97 | __gthread_key_delete (__gthread_key_t key) | |
98 | { | |
99 | return rtems_gxx_key_delete (key); | |
100 | } | |
101 | ||
102 | static inline void * | |
103 | __gthread_getspecific (__gthread_key_t key) | |
104 | { | |
105 | return rtems_gxx_getspecific (key); | |
106 | } | |
107 | ||
108 | static inline int | |
109 | __gthread_setspecific (__gthread_key_t key, const void *ptr) | |
110 | { | |
111 | return rtems_gxx_setspecific (key, ptr); | |
112 | } | |
113 | ||
114 | static inline int | |
115 | __gthread_mutex_lock (__gthread_mutex_t *mutex) | |
116 | { | |
117 | return rtems_gxx_mutex_lock (mutex); | |
118 | } | |
119 | ||
120 | static inline int | |
121 | __gthread_mutex_trylock (__gthread_mutex_t *mutex) | |
122 | { | |
123 | return rtems_gxx_mutex_trylock (mutex); | |
124 | } | |
125 | ||
126 | static inline int | |
127 | __gthread_mutex_unlock (__gthread_mutex_t *mutex) | |
128 | { | |
129 | return rtems_gxx_mutex_unlock( mutex ); | |
130 | } | |
131 | ||
5d58d2f8 RC |
132 | static inline int |
133 | __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex) | |
134 | { | |
135 | return rtems_gxx_recursive_mutex_lock (mutex); | |
136 | } | |
137 | ||
138 | static inline int | |
139 | __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex) | |
140 | { | |
141 | return rtems_gxx_recursive_mutex_trylock (mutex); | |
142 | } | |
143 | ||
144 | static inline int | |
145 | __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex) | |
146 | { | |
147 | return rtems_gxx_recursive_mutex_unlock( mutex ); | |
148 | } | |
149 | ||
f22b4bc4 JS |
150 | #ifdef __cplusplus |
151 | } | |
152 | #endif | |
153 | ||
88657302 | 154 | #endif /* ! GCC_GTHR_RTEMS_H */ |