/* src/threads/native/threads.h - native threads header
- Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
- R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
- C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
- Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
This file is part of CACAO.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+ Contact: cacao@cacaojvm.org
Authors: Stefan Ring
Changes: Christian Thalinger
- $Id: threads.h 2739 2005-06-20 09:53:53Z twisti $
+ $Id: threads.h 4444 2006-02-05 13:52:26Z stefan $
*/
#ifndef _THREADS_H
#define _THREADS_H
+#include "config.h"
+
#include <pthread.h>
#include <semaphore.h>
+#include <ucontext.h>
+
+#include "vm/types.h"
+
+#include "config.h"
+#include "vm/types.h"
#include "mm/memory.h"
#include "native/jni.h"
#include "native/include/java_lang_Object.h" /* required by java/lang/VMThread*/
#include "native/include/java_lang_Thread.h"
#include "native/include/java_lang_VMThread.h"
+#include "vm/global.h"
#if defined(__DARWIN__)
#include <mach/mach.h>
#if defined(HAVE___THREAD)
#define THREADSPECIFIC __thread
-#define THREADOBJECT ((java_lang_VMThread*) threadobj)
+#define THREADOBJECT threadobj
#define THREADINFO (&threadobj->info)
extern __thread threadobject *threadobj;
#else /* defined(HAVE___THREAD) */
#define THREADSPECIFIC
-#define THREADOBJECT ((java_lang_VMThread*) pthread_getspecific(tkey_threadinfo))
-#define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info)
+#define THREADOBJECT pthread_getspecific(tkey_threadinfo)
+#define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info)
extern pthread_key_t tkey_threadinfo;
threadobject *next;
threadobject *prev;
java_objectheader *_exceptionptr;
- u1 _dontfillinexceptionstacktrace;
- methodinfo *_threadrootmethod;
void *_stackframeinfo;
+ localref_table *_localref_table; /* JNI local references */
+#if defined(ENABLE_INTRP)
+ void *_global_sp;
+#endif
pthread_t tid;
#if defined(__DARWIN__)
mach_port_t mach_thread;
/* threadobject ****************************************************************
- DOCUMENT ME!
+ Every java.lang.VMThread object is actually an instance of this
+ structure.
*******************************************************************************/
struct threadobject {
java_lang_VMThread o;
- nativethread info;
- ExecEnvironment ee;
+ nativethread info; /* some general pthreads stuff */
+ ExecEnvironment ee; /* contains our lock record pool */
+ /* these are used for the wait/notify implementation */
pthread_mutex_t waitLock;
pthread_cond_t waitCond;
bool interrupted;
dumpinfo dumpinfo; /* dump memory info structure */
};
+/* monitorLockRecord ***********************************************************
+
+ This is the really interesting stuff.
+ See handbook for a detailed description.
+
+*******************************************************************************/
struct monitorLockRecord {
threadobject *ownerThread;
java_objectheader *o;
- int lockCount;
+ s4 lockCount;
monitorLockRecord *nextFree;
- int queuers;
+ s4 queuers;
monitorLockRecord *waiter;
monitorLockRecord *incharge;
- bool waiting;
+ java_objectheader *waiting;
sem_t queueSem;
pthread_mutex_t resolveLock;
pthread_cond_t resolveWait;
};
-
struct lockRecordPoolHeader {
lockRecordPool *next;
int size;
bool monitorExit(threadobject *, java_objectheader *);
bool threadHoldsLock(threadobject *t, java_objectheader *o);
-void signal_cond_for_object (java_objectheader *obj);
-void broadcast_cond_for_object (java_objectheader *obj);
-void wait_cond_for_object (java_objectheader *obj, s8 time, s4 nanos);
+void signal_cond_for_object(java_objectheader *obj);
+void broadcast_cond_for_object(java_objectheader *obj);
+void wait_cond_for_object(java_objectheader *obj, s8 time, s4 nanos);
+
+void *thread_getself(void);
+
+void threads_preinit(void);
+bool threads_init(u1 *stackbottom);
-void initThreadsEarly();
-void initThreads(u1 *stackbottom);
void initObjectLock(java_objectheader *);
monitorLockRecord *get_dummyLR(void);
void initLocks();
void initThread(java_lang_VMThread *);
-void startThread(thread *t);
+
+/* start a thread */
+void threads_start_thread(thread *t, functionptr function);
+
void joinAllThreads();
void sleepThread(s8 millis, s4 nanos);
u1 *thread_checkcritical(u1*);
extern volatile int stopworldwhere;
+extern threadobject *mainthreadobj;
+
+extern pthread_mutex_t pool_lock;
+extern lockRecordPool *global_pool;
+
void cast_stopworld();
void cast_startworld();
/* dumps all threads */
-void thread_dump(void);
+void threads_dump(void);
+
+/* this is a machine dependent functions (src/vm/jit/$(ARCH_DIR)/md.c) */
+void thread_restartcriticalsection(ucontext_t *);
#endif /* _THREADS_H */