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 1664 2004-12-03 16:21:28Z twisti $
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. */
53 /* typedefs *******************************************************************/
55 typedef struct ExecEnvironment ExecEnvironment;
56 typedef struct nativethread nativethread;
57 typedef struct threadobject threadobject;
58 typedef struct monitorLockRecord monitorLockRecord;
59 typedef struct lockRecordPoolHeader lockRecordPoolHeader;
60 typedef struct lockRecordPool lockRecordPool;
61 typedef java_lang_Thread thread;
64 /* ExecEnvironment *************************************************************
66 Monitor lock implementation
68 *******************************************************************************/
70 struct ExecEnvironment {
71 monitorLockRecord *firstLR;
72 lockRecordPool *lrpool;
80 java_objectheader *_exceptionptr;
81 methodinfo *_threadrootmethod;
82 void *_stackframeinfo;
84 #if defined(__DARWIN__)
85 mach_port_t mach_thread;
87 pthread_mutex_t joinMutex;
88 pthread_cond_t joinCond;
92 /* threadobject ****************************************************************
96 *******************************************************************************/
103 pthread_mutex_t waitLock;
104 pthread_cond_t waitCond;
109 dumpinfo dumpinfo; /* dump memory info structure */
113 struct monitorLockRecord {
114 threadobject *ownerThread;
115 java_objectheader *o;
117 monitorLockRecord *nextFree;
119 monitorLockRecord *waiter;
120 monitorLockRecord *incharge;
123 pthread_mutex_t resolveLock;
124 pthread_cond_t resolveWait;
129 struct lockRecordPoolHeader {
130 lockRecordPool *next;
134 struct lockRecordPool {
135 lockRecordPoolHeader header;
136 monitorLockRecord lr[1];
140 monitorLockRecord *monitorEnter(threadobject *, java_objectheader *);
141 bool monitorExit(threadobject *, java_objectheader *);
143 bool threadHoldsLock(threadobject *t, java_objectheader *o);
144 void signal_cond_for_object (java_objectheader *obj);
145 void broadcast_cond_for_object (java_objectheader *obj);
146 void wait_cond_for_object (java_objectheader *obj, s8 time, s4 nanos);
148 void initThreadsEarly();
149 void initThreads(u1 *stackbottom);
150 void initObjectLock(java_objectheader *);
152 void initThread(java_lang_VMThread *);
153 void startThread(thread *t);
154 void joinAllThreads();
156 void sleepThread(s8 millis, s4 nanos);
159 void setPriorityThread(thread *t, s4 priority);
161 void interruptThread(java_lang_VMThread *);
162 bool interruptedThread();
163 bool isInterruptedThread(java_lang_VMThread *);
165 #if !defined(HAVE___THREAD)
166 extern pthread_key_t tkey_threadinfo;
167 #define THREADOBJECT ((java_lang_VMThread*) pthread_getspecific(tkey_threadinfo))
168 #define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info)
170 extern __thread threadobject *threadobj;
171 #define THREADOBJECT ((java_lang_VMThread*) threadobj)
172 #define THREADINFO (&threadobj->info)
176 /* This must not be changed, it is used in asm_criticalsections */
183 void thread_registercritical(threadcritnode *);
184 u1 *thread_checkcritical(u1*);
186 extern volatile int stopworldwhere;
188 void cast_stopworld();
189 void cast_startworld();
191 #endif /* _THREADS_H */
195 * These are local overrides for various environment variables in Emacs.
196 * Please do not remove this and leave it at the end of the file, where
197 * Emacs will automagically detect them.
198 * ---------------------------------------------------------------------
201 * indent-tabs-mode: t