/* src/threads/native/threads.h - native threads header
- 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
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
#include "mm/memory.h"
#include "native/jni.h"
#include "native/localref.h"
-#include "native/include/java_lang_Thread.h"
#include "threads/native/lock.h"
#include "vm/global.h"
+#if defined(ENABLE_GC_CACAO)
+# include "vm/jit/replace.h"
+#endif
+
#include "vm/jit/stacktrace.h"
#if defined(ENABLE_INTRP)
#define THREAD_FLAG_JAVA 0x01 /* a normal Java thread */
#define THREAD_FLAG_INTERNAL 0x02 /* CACAO internal thread */
#define THREAD_FLAG_DAEMON 0x04 /* daemon thread */
+#define THREAD_FLAG_IN_NATIVE 0x08 /* currently executing native code */
+
+#define SUSPEND_REASON_JNI 1 /* suspended from JNI */
+#define SUSPEND_REASON_STOPWORLD 2 /* suspended from stop-thw-world */
struct threadobject {
- java_lang_Thread *object; /* link to java.lang.Thread object */
+ java_object_t *object; /* link to java.lang.Thread object */
ptrint thinlock; /* pre-computed thin lock value */
mach_port_t mach_thread; /* Darwin thread id */
#endif
+ /* for the sable tasuki lock extension */
+ bool flc_bit;
+ struct threadobject *flc_list; /* FLC list head for this thread */
+ struct threadobject *flc_next; /* next pointer for FLC list */
+ java_handle_t *flc_object;
+ pthread_mutex_t flc_lock; /* controlling access to these fields */
+ pthread_cond_t flc_cond;
+
/* these are used for the wait/notify implementation */
pthread_mutex_t waitmutex;
pthread_cond_t waitcond;
+ pthread_mutex_t suspendmutex; /* lock before suspending this thread */
+ pthread_cond_t suspendcond; /* notify to resume this thread */
+
bool interrupted;
bool signaled;
bool sleeping;
+ bool suspended; /* is this thread suspended? */
+ s4 suspend_reason; /* reason for suspending */
+
u1 *pc; /* current PC (used for profiling) */
java_object_t *_exceptionptr; /* current exception */
- stackframeinfo *_stackframeinfo; /* current native stackframeinfo */
+ stackframeinfo_t *_stackframeinfo; /* current native stackframeinfo */
localref_table *_localref_table; /* JNI local references */
#if defined(ENABLE_INTRP)
Cell *_global_sp; /* stack pointer for interpreter */
#endif
+#if defined(ENABLE_GC_CACAO)
+ bool gc_critical; /* indicates a critical section */
+
+ sourcestate_t *ss;
+ executionstate_t *es;
+#endif
+
dumpinfo_t dumpinfo; /* dump memory info structure */
#if defined(ENABLE_DEBUG_FILTER)
#endif
listnode_t linkage; /* threads-list */
+ listnode_t linkage_free; /* free-list */
};
-/* exception pointer **********************************************************/
-
-#define exceptionptr (&(THREADOBJECT->_exceptionptr))
+/* native-world flags *********************************************************/
+#if defined(ENABLE_GC_CACAO)
+# define THREAD_NATIVEWORLD_ENTER THREADOBJECT->flags |= THREAD_FLAG_IN_NATIVE
+# define THREAD_NATIVEWORLD_EXIT THREADOBJECT->flags &= ~THREAD_FLAG_IN_NATIVE
+#else
+# define THREAD_NATIVEWORLD_ENTER /*nop*/
+# define THREAD_NATIVEWORLD_EXIT /*nop*/
+#endif
-/* stackframeinfo *************************************************************/
-
-#define STACKFRAMEINFO (THREADOBJECT->_stackframeinfo)
/* counter for verbose call filter ********************************************/
# define TRACEJAVACALLCOUNT (THREADOBJECT->tracejavacallcount)
#endif
+
+/* inline functions ***********************************************************/
+
+inline static stackframeinfo_t *threads_get_current_stackframeinfo(void)
+{
+ return THREADOBJECT->_stackframeinfo;
+}
+
+inline static void threads_set_current_stackframeinfo(stackframeinfo_t *sfi)
+{
+ THREADOBJECT->_stackframeinfo = sfi;
+}
+
+
/* functions ******************************************************************/
void threads_sem_init(sem_t *sem, bool shared, int value);
bool threads_attach_current_thread(JavaVMAttachArgs *vm_aargs, bool isdaemon);
bool threads_detach_thread(threadobject *thread);
+bool threads_suspend_thread(threadobject *thread, s4 reason);
+void threads_suspend_ack(u1* pc, u1* sp);
+bool threads_resume_thread(threadobject *thread);
+
void threads_join_all_threads(void);
void threads_sleep(s8 millis, s4 nanos);
-bool threads_wait_with_timeout_relative(threadobject *t, s8 millis, s4 nanos);
+void 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);
-void threads_cast_stopworld(void);
-void threads_cast_startworld(void);
+#if !defined(DISABLE_GC)
+void threads_stopworld(void);
+void threads_startworld(void);
+#endif
#endif /* _THREADS_H */