1 /* src/threads/threads-common.h - machine independent thread functions
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
8 This file is part of CACAO.
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.
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.
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
28 #ifndef _THREADS_COMMON_H
29 #define _THREADS_COMMON_H
34 #include "vm/global.h"
36 #include "native/llni.h"
38 #if defined(ENABLE_THREADS)
39 # include "threads/native/threads.h"
41 # include "threads/none/threads.h"
44 #include "vmcore/utf8.h"
47 /* only define the following stuff with thread enabled ************************/
49 #if defined(ENABLE_THREADS)
51 /* thread states **************************************************************/
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
61 /* thread priorities **********************************************************/
63 #define MIN_PRIORITY 1
64 #define NORM_PRIORITY 5
65 #define MAX_PRIORITY 10
68 /* debug **********************************************************************/
71 # define DEBUGTHREADS(message, thread) \
73 if (opt_DebugThreads) { \
74 printf("[Thread %-16s: ", message); \
75 threads_thread_print_info(thread); \
80 # define DEBUGTHREADS(message, thread)
84 #if defined(__LINUX__)
85 /* XXX Remove for exact-GC. */
86 extern bool threads_pthreads_implementation_nptl;
90 /* inline functions ***********************************************************/
92 /* threads_thread_get_object ***************************************************
94 Return the java.lang.Thread object for the given thread.
96 *******************************************************************************/
98 static inline java_handle_t *threads_thread_get_object(threadobject *t)
100 return LLNI_WRAP(t->object);
104 /* threads_thread_set_object ***************************************************
106 Set the java.lang.Thread object for the given thread.
108 *******************************************************************************/
110 static inline void threads_thread_set_object(threadobject *t, java_handle_t *object)
112 t->object = LLNI_DIRECT(object);
116 /* function prototypes ********************************************************/
118 void threads_preinit(void);
120 threadobject *threads_list_first(void);
121 threadobject *threads_list_next(threadobject *t);
122 s4 threads_list_get_non_daemons(void);
124 threadobject *threads_thread_new(void);
125 void threads_thread_free(threadobject *t);
127 bool threads_thread_start_internal(utf *name, functionptr f);
128 void threads_thread_start(java_handle_t *object);
130 void threads_thread_print_info(threadobject *t);
132 ptrint threads_get_current_tid(void);
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);
140 bool threads_thread_is_alive(threadobject *t);
142 void threads_dump(void);
143 void threads_thread_print_stacktrace(threadobject *thread);
144 void threads_print_stacktrace(void);
147 /* implementation specific functions */
149 void threads_impl_preinit(void);
151 void threads_list_lock(void);
152 void threads_list_unlock(void);
154 #if defined(ENABLE_GC_CACAO)
155 void threads_mutex_gc_lock(void);
156 void threads_mutex_gc_unlock(void);
159 void threads_mutex_join_lock(void);
160 void threads_mutex_join_unlock(void);
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);
167 void threads_yield(void);
169 #endif /* ENABLE_THREADS */
171 #endif /* _THREADS_COMMON_H */
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 * ---------------------------------------------------------------------
181 * indent-tabs-mode: t
185 * vim:noexpandtab:sw=4:ts=4: