* src/vm/jit/stacktrace.c (stacktrace_stack_walk): Changed return type
[cacao.git] / src / threads / threads-common.h
1 /* src/threads/threads-common.h - machine independent thread functions
2
3    Copyright (C) 2007 R. Grafl, A. Krall, C. Kruegel,
4    C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5    E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6    J. Wenninger, Institut f. Computersprachen - TU Wien
7
8    This file is part of CACAO.
9
10    This program is free software; you can redistribute it and/or
11    modify it under the terms of the GNU General Public License as
12    published by the Free Software Foundation; either version 2, or (at
13    your option) any later version.
14
15    This program is distributed in the hope that it will be useful, but
16    WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18    General Public License for more details.
19
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software
22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23    02110-1301, USA.
24
25 */
26
27
28 #ifndef _THREADS_COMMON_H
29 #define _THREADS_COMMON_H
30
31 #include "config.h"
32 #include "vm/types.h"
33
34 #include "vm/global.h"
35
36 #include "native/llni.h"
37
38 #if defined(ENABLE_THREADS)
39 # include "threads/native/threads.h"
40 #else
41 # include "threads/none/threads.h"
42 #endif
43
44 #include "vmcore/utf8.h"
45
46
47 /* only define the following stuff with thread enabled ************************/
48
49 #if defined(ENABLE_THREADS)
50
51 /* thread states **************************************************************/
52
53 #define THREAD_STATE_NEW              0
54 #define THREAD_STATE_RUNNABLE         1
55 #define THREAD_STATE_BLOCKED          2
56 #define THREAD_STATE_WAITING          3
57 #define THREAD_STATE_TIMED_WAITING    4
58 #define THREAD_STATE_TERMINATED       5
59
60
61 /* thread priorities **********************************************************/
62
63 #define MIN_PRIORITY     1
64 #define NORM_PRIORITY    5
65 #define MAX_PRIORITY     10
66
67
68 /* debug **********************************************************************/
69
70 #if !defined(NDEBUG)
71 # define DEBUGTHREADS(message, thread) \
72         do { \
73                 if (opt_DebugThreads) { \
74                         printf("[Thread %-16s: ", message); \
75                         threads_thread_print_info(thread); \
76                         printf("]\n"); \
77                 } \
78         } while (0)
79 #else
80 # define DEBUGTHREADS(message, thread)
81 #endif
82
83
84 #if defined(__LINUX__)
85 /* XXX Remove for exact-GC. */
86 extern bool threads_pthreads_implementation_nptl;
87 #endif
88
89
90 /* inline functions ***********************************************************/
91
92 /* threads_thread_get_object ***************************************************
93
94    Return the java.lang.Thread object for the given thread.
95
96 *******************************************************************************/
97
98 static inline java_handle_t *threads_thread_get_object(threadobject *t)
99 {
100         return LLNI_WRAP(t->object);
101 }
102
103
104 /* threads_thread_set_object ***************************************************
105
106    Set the java.lang.Thread object for the given thread.
107
108 *******************************************************************************/
109
110 static inline void threads_thread_set_object(threadobject *t, java_handle_t *object)
111 {
112         t->object = LLNI_DIRECT(object);
113 }
114
115
116 /* function prototypes ********************************************************/
117
118 void          threads_preinit(void);
119
120 threadobject *threads_list_first(void);
121 threadobject *threads_list_next(threadobject *t);
122 s4            threads_list_get_non_daemons(void);
123
124 threadobject *threads_thread_new(void);
125 void          threads_thread_free(threadobject *t);
126
127 bool          threads_thread_start_internal(utf *name, functionptr f);
128 void          threads_thread_start(java_handle_t *object);
129
130 void          threads_thread_print_info(threadobject *t);
131
132 ptrint        threads_get_current_tid(void);
133
134 void          threads_thread_state_runnable(threadobject *t);
135 void          threads_thread_state_waiting(threadobject *t);
136 void          threads_thread_state_timed_waiting(threadobject *t);
137 void          threads_thread_state_terminated(threadobject *t);
138 utf          *threads_thread_get_state(threadobject *t);
139
140 bool          threads_thread_is_alive(threadobject *t);
141
142 void          threads_dump(void);
143 void          threads_thread_print_stacktrace(threadobject *thread);
144 void          threads_print_stacktrace(void);
145
146
147 /* implementation specific functions */
148
149 void          threads_impl_preinit(void);
150
151 void          threads_list_lock(void);
152 void          threads_list_unlock(void);
153
154 #if defined(ENABLE_GC_CACAO)
155 void          threads_mutex_gc_lock(void);
156 void          threads_mutex_gc_unlock(void);
157 #endif
158
159 void          threads_mutex_join_lock(void);
160 void          threads_mutex_join_unlock(void);
161
162 void          threads_set_current_threadobject(threadobject *thread);
163 void          threads_impl_thread_new(threadobject *t);
164 void          threads_impl_thread_free(threadobject *t);
165 void          threads_impl_thread_start(threadobject *thread, functionptr f);
166
167 void          threads_yield(void);
168
169 #endif /* ENABLE_THREADS */
170
171 #endif /* _THREADS_COMMON_H */
172
173
174 /*
175  * These are local overrides for various environment variables in Emacs.
176  * Please do not remove this and leave it at the end of the file, where
177  * Emacs will automagically detect them.
178  * ---------------------------------------------------------------------
179  * Local variables:
180  * mode: c
181  * indent-tabs-mode: t
182  * c-basic-offset: 4
183  * tab-width: 4
184  * End:
185  * vim:noexpandtab:sw=4:ts=4:
186  */