1 /* threads/native/threads.h - native threads header
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 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., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
29 $Id: threads.h 1790 2004-12-21 10:11:23Z twisti $
38 #include <semaphore.h>
40 #include "mm/memory.h"
41 #include "native/jni.h"
42 #include "native/include/java_lang_Object.h" /* required by java/lang/VMThread*/
43 #include "native/include/java_lang_Thread.h"
44 #include "native/include/java_lang_VMThread.h"
46 #if defined(__DARWIN__)
47 #include <mach/mach.h>
49 /* We need to emulate recursive mutexes. */
54 /* typedefs *******************************************************************/
56 typedef struct ExecEnvironment ExecEnvironment;
57 typedef struct nativethread nativethread;
58 typedef struct threadobject threadobject;
59 typedef struct monitorLockRecord monitorLockRecord;
60 typedef struct lockRecordPoolHeader lockRecordPoolHeader;
61 typedef struct lockRecordPool lockRecordPool;
62 typedef java_lang_Thread thread;
65 /* ExecEnvironment *************************************************************
67 Monitor lock implementation
69 *******************************************************************************/
71 struct ExecEnvironment {
72 monitorLockRecord *firstLR;
73 lockRecordPool *lrpool;
81 java_objectheader *_exceptionptr;
82 methodinfo *_threadrootmethod;
83 void *_stackframeinfo;
85 #if defined(__DARWIN__)
86 mach_port_t mach_thread;
88 pthread_mutex_t joinMutex;
89 pthread_cond_t joinCond;
93 /* threadobject ****************************************************************
97 *******************************************************************************/
100 java_lang_VMThread o;
104 pthread_mutex_t waitLock;
105 pthread_cond_t waitCond;
110 dumpinfo dumpinfo; /* dump memory info structure */
114 struct monitorLockRecord {
115 threadobject *ownerThread;
116 java_objectheader *o;
118 monitorLockRecord *nextFree;
120 monitorLockRecord *waiter;
121 monitorLockRecord *incharge;
124 pthread_mutex_t resolveLock;
125 pthread_cond_t resolveWait;
130 struct lockRecordPoolHeader {
131 lockRecordPool *next;
135 struct lockRecordPool {
136 lockRecordPoolHeader header;
137 monitorLockRecord lr[1];
141 monitorLockRecord *monitorEnter(threadobject *, java_objectheader *);
142 bool monitorExit(threadobject *, java_objectheader *);
144 bool threadHoldsLock(threadobject *t, java_objectheader *o);
145 void signal_cond_for_object (java_objectheader *obj);
146 void broadcast_cond_for_object (java_objectheader *obj);
147 void wait_cond_for_object (java_objectheader *obj, s8 time, s4 nanos);
149 void initThreadsEarly();
150 void initThreads(u1 *stackbottom);
151 void initObjectLock(java_objectheader *);
153 void initThread(java_lang_VMThread *);
154 void startThread(thread *t);
155 void joinAllThreads();
157 void sleepThread(s8 millis, s4 nanos);
160 void setPriorityThread(thread *t, s4 priority);
162 void interruptThread(java_lang_VMThread *);
163 bool interruptedThread();
164 bool isInterruptedThread(java_lang_VMThread *);
166 #if !defined(HAVE___THREAD)
167 extern pthread_key_t tkey_threadinfo;
168 #define THREADOBJECT ((java_lang_VMThread*) pthread_getspecific(tkey_threadinfo))
169 #define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info)
171 extern __thread threadobject *threadobj;
172 #define THREADOBJECT ((java_lang_VMThread*) threadobj)
173 #define THREADINFO (&threadobj->info)
177 /* This must not be changed, it is used in asm_criticalsections */
184 void thread_registercritical(threadcritnode *);
185 u1 *thread_checkcritical(u1*);
187 extern volatile int stopworldwhere;
189 void cast_stopworld();
190 void cast_startworld();
192 #endif /* _THREADS_H */
196 * These are local overrides for various environment variables in Emacs.
197 * Please do not remove this and leave it at the end of the file, where
198 * Emacs will automagically detect them.
199 * ---------------------------------------------------------------------
202 * indent-tabs-mode: t