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
25 $Id: threads-common.h 7904 2007-05-14 13:29:32Z twisti $
30 #ifndef _THREADS_COMMON_H
31 #define _THREADS_COMMON_H
36 #include "vm/global.h"
38 #include "native/jni.h"
40 #if defined(ENABLE_THREADS)
41 # include "threads/native/threads.h"
43 # include "threads/none/threads.h"
46 #include "vmcore/utf8.h"
49 /* only define the following stuff with thread enabled ************************/
51 #if defined(ENABLE_THREADS)
53 /* typedefs *******************************************************************/
55 typedef struct threads_table_entry_t threads_table_entry_t;
56 typedef struct threads_table_t threads_table_t;
59 /* thread states **************************************************************/
61 #define THREAD_STATE_NEW 0
62 #define THREAD_STATE_RUNNABLE 1
63 #define THREAD_STATE_BLOCKED 2
64 #define THREAD_STATE_WAITING 3
65 #define THREAD_STATE_TIMED_WAITING 4
66 #define THREAD_STATE_TERMINATED 5
69 /* thread priorities **********************************************************/
71 #define MIN_PRIORITY 1
72 #define NORM_PRIORITY 5
73 #define MAX_PRIORITY 10
76 /* threads_table_entry_t *******************************************************
78 An entry in the global threads table.
80 *******************************************************************************/
82 struct threads_table_entry_t {
83 threadobject *thread; /* an existing thread */
84 s4 next; /* next free or used index */
88 /* threads_table_t *************************************************************
90 Struct for the global threads table.
92 *******************************************************************************/
94 struct threads_table_t {
95 threads_table_entry_t *table; /* the table, threads[0] is the head */
96 /* of the free list. Real entries */
97 /* start at threads[1]. */
98 s4 size; /* current size of the table */
99 s4 used; /* number of thread entries */
100 s4 daemons; /* number of daemon thread entries */
104 /* function prototypes ********************************************************/
106 void threads_preinit(void);
108 s4 threads_table_add(threadobject *thread);
109 void threads_table_remove(threadobject *thread);
110 s4 threads_table_get_threads(void);
111 s4 threads_table_get_non_daemons(void);
112 threadobject *threads_table_first(void);
113 threadobject *threads_table_next(threadobject *thread);
116 void threads_table_dump(void);
119 threadobject *threads_thread_new(void);
120 void threads_thread_free(threadobject *t);
121 bool threads_thread_start_internal(utf *name, functionptr f);
122 void threads_thread_start(java_lang_Thread *object);
124 void threads_thread_print_info(threadobject *t);
126 ptrint threads_get_current_tid(void);
127 utf *threads_thread_get_state(threadobject *thread);
128 bool threads_thread_is_alive(threadobject *thread);
130 void threads_dump(void);
131 void threads_thread_print_stacktrace(threadobject *thread);
132 void threads_print_stacktrace(void);
135 /* implementation specific functions */
137 void threads_impl_preinit(void);
139 void threads_impl_table_init(void);
140 void threads_table_lock(void);
141 void threads_table_unlock(void);
143 void threads_set_current_threadobject(threadobject *thread);
144 void threads_impl_thread_new(threadobject *t);
145 void threads_impl_thread_free(threadobject *t);
146 void threads_impl_thread_start(threadobject *thread, functionptr f);
148 #endif /* ENABLE_THREADS */
150 #endif /* _THREADS_COMMON_H */
154 * These are local overrides for various environment variables in Emacs.
155 * Please do not remove this and leave it at the end of the file, where
156 * Emacs will automagically detect them.
157 * ---------------------------------------------------------------------
160 * indent-tabs-mode: t
164 * vim:noexpandtab:sw=4:ts=4: