-/* threads/native/threads.h - native threads header
+/* src/threads/native/threads.h - native threads header
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
- M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
- P. Tomsich, J. Wenninger
+ Copyright (C) 1996-2005, 2006, 2007 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
+ $Id: threads.h 7652 2007-04-03 14:23:16Z twisti $
- Authors: Stefan Ring
+*/
- $Id: threads.h 1650 2004-12-02 09:35:13Z twisti $
-*/
+#ifndef _THREADS_H
+#define _THREADS_H
+
+/* forward typedefs ***********************************************************/
+
+typedef struct threadobject threadobject;
+typedef union threads_table_entry_t threads_table_entry_t;
+typedef struct threads_table_t threads_table_t;
-#ifndef _NATIVETHREAD_H
-#define _NATIVETHREAD_H
+#include "config.h"
-#include <semaphore.h>
+#include <pthread.h>
+#include <ucontext.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 "threads/native/lock.h"
+
+#include "vm/global.h"
+
+#include "vm/jit/stacktrace.h"
+
+#if defined(ENABLE_INTRP)
+#include "vm/jit/intrp/intrp.h"
+#endif
#if defined(__DARWIN__)
-#include <mach/mach.h>
+# include <mach/mach.h>
+
+typedef struct {
+ pthread_mutex_t mutex;
+ pthread_cond_t cond;
+ int value;
+} sem_t;
-/* We need to emulate recursive mutexes. */
-#define MUTEXSIM
+#else
+# include <semaphore.h>
#endif
-struct _threadobject;
+/* current threadobject *******************************************************/
+#if defined(HAVE___THREAD)
-typedef struct monitorLockRecord monitorLockRecord;
+#define THREADSPECIFIC __thread
+#define THREADOBJECT threads_current_threadobject
-struct monitorLockRecord {
- struct _threadobject *ownerThread;
- java_objectheader *o;
- int lockCount;
- monitorLockRecord *nextFree;
- int queuers;
- monitorLockRecord *waiter;
- monitorLockRecord *incharge;
- bool waiting;
- sem_t queueSem;
- pthread_mutex_t resolveLock;
- pthread_cond_t resolveWait;
-};
+extern __thread threadobject *threads_current_threadobject;
+#else /* defined(HAVE___THREAD) */
-struct _lockRecordPool;
+#define THREADSPECIFIC
+#define THREADOBJECT \
+ ((threadobject *) pthread_getspecific(threads_current_threadobject_key))
-typedef struct {
- struct _lockRecordPool *next;
- int size;
-} lockRecordPoolHeader;
+extern pthread_key_t threads_current_threadobject_key;
-typedef struct _lockRecordPool {
- lockRecordPoolHeader header;
- monitorLockRecord lr[1];
-} lockRecordPool;
+#endif /* defined(HAVE___THREAD) */
-/* Monitor lock implementation */
-typedef struct {
- monitorLockRecord *firstLR;
- lockRecordPool *lrpool;
- int numlr;
-} ExecEnvironment;
-typedef struct {
- struct _threadobject *next, *prev;
- java_objectheader *_exceptionptr;
- methodinfo *_threadrootmethod;
- void *_stackframeinfo;
- pthread_t tid;
-#if defined(__DARWIN__)
- mach_port_t mach_thread;
-#endif
- pthread_mutex_t joinMutex;
- pthread_cond_t joinCond;
-} nativethread;
+/* threads_table_entry_t *******************************************************
+
+ An entry in the global threads table.
+
+*******************************************************************************/
+
+union threads_table_entry_t {
+ threadobject *thread; /* an existing thread */
+ ptrint nextfree; /* next free index */
+};
+
+
+/* threads_table_t *************************************************************
+
+ Struct for the global threads table.
+
+*******************************************************************************/
-typedef java_lang_Thread thread;
+struct threads_table_t {
+ threads_table_entry_t *table; /* the table, threads[0] is the head */
+ /* of the free list. Real entries */
+ /* start at threads[1]. */
+ s4 size; /* current size of the table */
+};
/* threadobject ****************************************************************
- TODO
+ Struct holding thread local variables.
*******************************************************************************/
-typedef struct _threadobject {
- java_lang_VMThread o;
- nativethread info;
- ExecEnvironment ee;
+#define THREAD_FLAG_JAVA 0x01 /* a normal Java thread */
+#define THREAD_FLAG_INTERNAL 0x02 /* CACAO internal thread */
+#define THREAD_FLAG_DAEMON 0x04 /* daemon thread */
- pthread_mutex_t waitLock;
- pthread_cond_t waitCond;
- bool interrupted;
- bool signaled;
- bool isSleeping;
- dumpinfo dumpinfo; /* dump memory info structure */
-} threadobject;
+struct threadobject {
+ java_lang_Thread *object; /* link to java.lang.Thread object */
+ lock_execution_env_t ee; /* data for the lock implementation */
-monitorLockRecord *monitorEnter(threadobject *, java_objectheader *);
-bool monitorExit(threadobject *, java_objectheader *);
+ threadobject *next; /* next thread in list, or self */
+ threadobject *prev; /* prev thread in list, or self */
-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);
+ ptrint thinlock; /* pre-computed thin lock value */
-void initThreadsEarly();
-void initThreads(u1 *stackbottom);
-void initObjectLock(java_objectheader *);
-void initLocks();
-void initThread(java_lang_VMThread *);
-void startThread(thread *t);
-void joinAllThreads();
+ s4 index; /* thread index, starting with 1 */
+ u4 flags; /* flag field */
-void sleepThread(s8 millis, s4 nanos);
-void yieldThread();
+ pthread_t tid; /* pthread id */
-void setPriorityThread(thread *t, s4 priority);
+#if defined(__DARWIN__)
+ mach_port_t mach_thread; /* Darwin thread id */
+#endif
-void interruptThread(java_lang_VMThread *);
-bool interruptedThread();
-bool isInterruptedThread(java_lang_VMThread *);
+ pthread_mutex_t joinmutex;
+ pthread_cond_t joincond;
-#if !defined(HAVE___THREAD)
-extern pthread_key_t tkey_threadinfo;
-#define THREADOBJECT ((java_lang_VMThread*) pthread_getspecific(tkey_threadinfo))
-#define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info)
-#else
-extern __thread threadobject *threadobj;
-#define THREADOBJECT ((java_lang_VMThread*) threadobj)
-#define THREADINFO (&threadobj->info)
+ /* these are used for the wait/notify implementation */
+ pthread_mutex_t waitmutex;
+ pthread_cond_t waitcond;
+
+ bool interrupted;
+ bool signaled;
+ bool sleeping;
+
+ u1 *pc; /* current PC (used for profiling) */
+
+ java_objectheader *_exceptionptr; /* current exception */
+ stackframeinfo *_stackframeinfo; /* current native stackframeinfo */
+ localref_table *_localref_table; /* JNI local references */
+
+#if defined(ENABLE_INTRP)
+ Cell *_global_sp; /* stack pointer for interpreter */
#endif
-/*#include "builtin.h"*/
+ dumpinfo_t dumpinfo; /* dump memory info structure */
+};
-/* This must not be changed, it is used in asm_criticalsections */
-typedef struct {
- u1 *mcodebegin, *mcodeend, *mcoderestart;
-} threadcritnode;
-void thread_registercritical(threadcritnode *);
-u1 *thread_checkcritical(u1*);
+/* exception pointer **********************************************************/
+
+#define exceptionptr (&(THREADOBJECT->_exceptionptr))
+
+
+/* stackframeinfo *************************************************************/
+
+#define STACKFRAMEINFO (THREADOBJECT->_stackframeinfo)
+
+
+/* variables ******************************************************************/
+
+extern threadobject *mainthreadobj;
+
+
+/* functions ******************************************************************/
+
+void threads_sem_init(sem_t *sem, bool shared, int value);
+void threads_sem_wait(sem_t *sem);
+void threads_sem_post(sem_t *sem);
+
+threadobject *threads_get_current_threadobject(void);
+
+void threads_preinit(void);
+bool threads_init(void);
+
+void threads_start_javathread(java_lang_Thread *object);
+void threads_start_thread(threadobject *thread, functionptr function);
+
+void threads_set_thread_priority(pthread_t tid, int priority);
+
+bool threads_attach_current_thread(JavaVMAttachArgs *vm_aargs, bool isdaemon);
+bool threads_detach_thread(threadobject *thread);
+
+void threads_join_all_threads(void);
+
+void threads_sleep(s8 millis, s4 nanos);
+void threads_yield(void);
+
+bool threads_wait_with_timeout_relative(threadobject *t, s8 millis, s4 nanos);
+
+void threads_thread_interrupt(threadobject *thread);
+bool threads_check_if_interrupted_and_reset(void);
+bool threads_thread_has_been_interrupted(threadobject *thread);
-extern volatile int stopworldwhere;
+void threads_cast_stopworld(void);
+void threads_cast_startworld(void);
-void cast_stopworld();
-void cast_startworld();
+void threads_dump(void);
-#endif /* _NATIVETHREAD_H */
+#endif /* _THREADS_H */
/*
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
projects / cacao.git / blobdiff