X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Fthreads%2Fnative%2Fthreads.h;h=417b273d1849ff2236f6a5fe6b4dc10d7cfc5d9c;hb=9f859ad50d3d5d98c185d40b86b2179bc4dc9aeb;hp=b95b1bf4aca395e16119da5e55904cd049030d16;hpb=18f58d55bafbc28acf561383b13a95beafa17d2b;p=cacao.git diff --git a/src/threads/native/threads.h b/src/threads/native/threads.h index b95b1bf4a..417b273d1 100644 --- a/src/threads/native/threads.h +++ b/src/threads/native/threads.h @@ -1,104 +1,218 @@ -#ifndef _NATIVETHREAD_H -#define _NATIVETHREAD_H +/* src/threads/native/threads.h - native threads header -#include "jni.h" -#include "nat/java_lang_Object.h" -#include "nat/java_lang_Throwable.h" -#include "nat/java_lang_Thread.h" + 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 -struct _threadobject; + This file is part of CACAO. -typedef struct monitorLockRecord { - struct _threadobject *owner; - int lockCount; - long storedBits; - struct monitorLockRecord *queue; - struct monitorLockRecord *nextFree; -} monitorLockRecord; + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. -struct _lockRecordPool; + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. -typedef struct { - struct _lockRecordPool *next; - int size; -} lockRecordPoolHeader; + 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., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. -typedef struct _lockRecordPool { - lockRecordPoolHeader header; - monitorLockRecord lr[1]; -} lockRecordPool; +*/ -#define INITIALLOCKRECORDS 8 -/* Monitor lock implementation */ -typedef struct { - pthread_mutex_t metaLockMutex; - pthread_cond_t metaLockCond; - bool gotMetaLockSlow; - bool bitsForGrab; - long metaLockBits; - struct _threadobject *succ; - pthread_mutex_t monitorLockMutex; - pthread_cond_t monitorLockCond; - bool isWaitingForNotify; - - monitorLockRecord *firstLR; - monitorLockRecord lr[INITIALLOCKRECORDS]; - lockRecordPool *lrpool; -} ExecEnvironment; +#ifndef _THREADS_H +#define _THREADS_H + +/* forward typedefs ***********************************************************/ + +typedef struct threadobject threadobject; + + +#include "config.h" + +#include +#include + +#include "vm/types.h" + +#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" + +#include "vm/jit/stacktrace.h" + +#if defined(ENABLE_INTRP) +#include "vm/jit/intrp/intrp.h" +#endif + +#if defined(__DARWIN__) +# include typedef struct { - struct _threadobject *next, *prev; - java_objectheader *_exceptionptr; - methodinfo *_threadrootmethod; - void *_stackframeinfo; - pthread_t tid; - pthread_mutex_t joinMutex; - pthread_cond_t joinCond; -} nativethread; - -typedef struct _threadobject { - java_lang_Thread o; - nativethread info; - ExecEnvironment ee; -} threadobject, thread; - -void monitorEnter(threadobject *, java_objectheader *); -void monitorExit(threadobject *, java_objectheader *); - -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); - -void initThreadsEarly(); -void initThreads(u1 *stackbottom); -void initLocks(); -void initThread(java_lang_Thread *); -void joinAllThreads(); - -bool aliveThread(java_lang_Thread *); -void sleepThread (s8); -void yieldThread(); - -#if !defined(HAVE___THREAD) -extern pthread_key_t tkey_threadinfo; -#define THREADOBJECT ((java_lang_Thread*) pthread_getspecific(tkey_threadinfo)) -#define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info) + pthread_mutex_t mutex; + pthread_cond_t cond; + int value; +} sem_t; + #else -extern __thread threadobject *threadobj; -#define THREADOBJECT ((java_lang_Thread*) threadobj) -#define THREADINFO (&threadobj->info) +# include #endif -#include "builtin.h" -typedef struct { - u1 *mcodebegin, *mcodeend; -} threadcritnode; +/* current threadobject *******************************************************/ + +#if defined(HAVE___THREAD) + +#define THREADSPECIFIC __thread +#define THREADOBJECT threads_current_threadobject + +extern __thread threadobject *threads_current_threadobject; + +#else /* defined(HAVE___THREAD) */ + +#define THREADSPECIFIC +#define THREADOBJECT \ + ((threadobject *) pthread_getspecific(threads_current_threadobject_key)) + +extern pthread_key_t threads_current_threadobject_key; + +#endif /* defined(HAVE___THREAD) */ + + +/* threadobject **************************************************************** + + Struct holding thread local variables. + +*******************************************************************************/ + +#define THREAD_FLAG_JAVA 0x01 /* a normal Java thread */ +#define THREAD_FLAG_INTERNAL 0x02 /* CACAO internal thread */ +#define THREAD_FLAG_DAEMON 0x04 /* daemon thread */ + + +struct threadobject { + java_lang_Thread *object; /* link to java.lang.Thread object */ + + ptrint thinlock; /* pre-computed thin lock value */ + + s4 index; /* thread index, starting with 1 */ + u4 flags; /* flag field */ + u4 state; /* state field */ + + pthread_t tid; /* pthread id */ + +#if defined(__DARWIN__) + mach_port_t mach_thread; /* Darwin thread id */ +#endif + + /* 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_object_t *_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 + + dumpinfo_t dumpinfo; /* dump memory info structure */ + +#if defined(ENABLE_DEBUG_FILTER) + u2 filterverbosecallctr[2]; /* counters for verbose call filter */ +#endif + +#if !defined(NDEBUG) + s4 tracejavacallindent; + u4 tracejavacallcount; +#endif + + listnode_t linkage; /* threads-list */ +}; + + +/* exception pointer **********************************************************/ + +#define exceptionptr (&(THREADOBJECT->_exceptionptr)) + + +/* stackframeinfo *************************************************************/ + +#define STACKFRAMEINFO (THREADOBJECT->_stackframeinfo) + +/* counter for verbose call filter ********************************************/ + +#if defined(ENABLE_DEBUG_FILTER) +# define FILTERVERBOSECALLCTR (THREADOBJECT->filterverbosecallctr) +#endif + +/* state for trace java call **************************************************/ + +#if !defined(NDEBUG) +# define TRACEJAVACALLINDENT (THREADOBJECT->tracejavacallindent) +# define TRACEJAVACALLCOUNT (THREADOBJECT->tracejavacallcount) +#endif + +/* 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); + +bool threads_init(void); + +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); + +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); -void thread_registercritical(threadcritnode *); +void threads_cast_stopworld(void); +void threads_cast_startworld(void); -extern volatile int stopworldwhere; +#endif /* _THREADS_H */ -#endif /* _NATIVETHREAD_H */ +/* + * These are local overrides for various environment variables in Emacs. + * Please do not remove this and leave it at the end of the file, where + * Emacs will automagically detect them. + * --------------------------------------------------------------------- + * Local variables: + * mode: c + * indent-tabs-mode: t + * c-basic-offset: 4 + * tab-width: 4 + * End: + * vim:noexpandtab:sw=4:ts=4: + */