1 /* threads/native/threads.h - native threads header
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
5 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
6 P. Tomsich, J. Wenninger
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 1650 2004-12-02 09:35:13Z twisti $
34 #ifndef _NATIVETHREAD_H
35 #define _NATIVETHREAD_H
37 #include <semaphore.h>
39 #include "mm/memory.h"
40 #include "native/jni.h"
41 #include "native/include/java_lang_Object.h" /* required by java/lang/VMThread*/
42 #include "native/include/java_lang_Thread.h"
43 #include "native/include/java_lang_VMThread.h"
45 #if defined(__DARWIN__)
46 #include <mach/mach.h>
48 /* We need to emulate recursive mutexes. */
56 typedef struct monitorLockRecord monitorLockRecord;
58 struct monitorLockRecord {
59 struct _threadobject *ownerThread;
62 monitorLockRecord *nextFree;
64 monitorLockRecord *waiter;
65 monitorLockRecord *incharge;
68 pthread_mutex_t resolveLock;
69 pthread_cond_t resolveWait;
73 struct _lockRecordPool;
76 struct _lockRecordPool *next;
78 } lockRecordPoolHeader;
80 typedef struct _lockRecordPool {
81 lockRecordPoolHeader header;
82 monitorLockRecord lr[1];
85 /* Monitor lock implementation */
87 monitorLockRecord *firstLR;
88 lockRecordPool *lrpool;
93 struct _threadobject *next, *prev;
94 java_objectheader *_exceptionptr;
95 methodinfo *_threadrootmethod;
96 void *_stackframeinfo;
98 #if defined(__DARWIN__)
99 mach_port_t mach_thread;
101 pthread_mutex_t joinMutex;
102 pthread_cond_t joinCond;
105 typedef java_lang_Thread thread;
108 /* threadobject ****************************************************************
112 *******************************************************************************/
114 typedef struct _threadobject {
115 java_lang_VMThread o;
119 pthread_mutex_t waitLock;
120 pthread_cond_t waitCond;
125 dumpinfo dumpinfo; /* dump memory info structure */
129 monitorLockRecord *monitorEnter(threadobject *, java_objectheader *);
130 bool monitorExit(threadobject *, java_objectheader *);
132 bool threadHoldsLock(threadobject *t, java_objectheader *o);
133 void signal_cond_for_object (java_objectheader *obj);
134 void broadcast_cond_for_object (java_objectheader *obj);
135 void wait_cond_for_object (java_objectheader *obj, s8 time, s4 nanos);
137 void initThreadsEarly();
138 void initThreads(u1 *stackbottom);
139 void initObjectLock(java_objectheader *);
141 void initThread(java_lang_VMThread *);
142 void startThread(thread *t);
143 void joinAllThreads();
145 void sleepThread(s8 millis, s4 nanos);
148 void setPriorityThread(thread *t, s4 priority);
150 void interruptThread(java_lang_VMThread *);
151 bool interruptedThread();
152 bool isInterruptedThread(java_lang_VMThread *);
154 #if !defined(HAVE___THREAD)
155 extern pthread_key_t tkey_threadinfo;
156 #define THREADOBJECT ((java_lang_VMThread*) pthread_getspecific(tkey_threadinfo))
157 #define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info)
159 extern __thread threadobject *threadobj;
160 #define THREADOBJECT ((java_lang_VMThread*) threadobj)
161 #define THREADINFO (&threadobj->info)
164 /*#include "builtin.h"*/
166 /* This must not be changed, it is used in asm_criticalsections */
168 u1 *mcodebegin, *mcodeend, *mcoderestart;
171 void thread_registercritical(threadcritnode *);
172 u1 *thread_checkcritical(u1*);
174 extern volatile int stopworldwhere;
176 void cast_stopworld();
177 void cast_startworld();
179 #endif /* _NATIVETHREAD_H */
183 * These are local overrides for various environment variables in Emacs.
184 * Please do not remove this and leave it at the end of the file, where
185 * Emacs will automagically detect them.
186 * ---------------------------------------------------------------------
189 * indent-tabs-mode: t