1 /* src/threads/native/threads.h - native threads header
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
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., 51 Franklin Street, Fifth Floor, Boston, MA
25 $Id: threads.h 7963 2007-05-24 10:21:16Z twisti $
33 /* forward typedefs ***********************************************************/
35 typedef struct threadobject threadobject;
45 #include "mm/memory.h"
46 #include "native/jni.h"
47 #include "native/include/java_lang_Thread.h"
49 #include "threads/native/lock.h"
51 #include "vm/global.h"
53 #include "vm/jit/stacktrace.h"
55 #if defined(ENABLE_INTRP)
56 #include "vm/jit/intrp/intrp.h"
59 #if defined(__DARWIN__)
60 # include <mach/mach.h>
63 pthread_mutex_t mutex;
69 # include <semaphore.h>
73 /* current threadobject *******************************************************/
75 #if defined(HAVE___THREAD)
77 #define THREADSPECIFIC __thread
78 #define THREADOBJECT threads_current_threadobject
80 extern __thread threadobject *threads_current_threadobject;
82 #else /* defined(HAVE___THREAD) */
84 #define THREADSPECIFIC
85 #define THREADOBJECT \
86 ((threadobject *) pthread_getspecific(threads_current_threadobject_key))
88 extern pthread_key_t threads_current_threadobject_key;
90 #endif /* defined(HAVE___THREAD) */
93 /* threadobject ****************************************************************
95 Struct holding thread local variables.
97 *******************************************************************************/
99 #define THREAD_FLAG_JAVA 0x01 /* a normal Java thread */
100 #define THREAD_FLAG_INTERNAL 0x02 /* CACAO internal thread */
101 #define THREAD_FLAG_DAEMON 0x04 /* daemon thread */
104 struct threadobject {
105 java_lang_Thread *object; /* link to java.lang.Thread object */
107 ptrint thinlock; /* pre-computed thin lock value */
109 s4 index; /* thread index, starting with 1 */
110 u4 flags; /* flag field */
111 u4 state; /* state field */
113 pthread_t tid; /* pthread id */
115 #if defined(__DARWIN__)
116 mach_port_t mach_thread; /* Darwin thread id */
119 /* these are used for the wait/notify implementation */
120 pthread_mutex_t waitmutex;
121 pthread_cond_t waitcond;
127 u1 *pc; /* current PC (used for profiling) */
129 java_objectheader *_exceptionptr; /* current exception */
130 stackframeinfo *_stackframeinfo; /* current native stackframeinfo */
131 localref_table *_localref_table; /* JNI local references */
133 #if defined(ENABLE_INTRP)
134 Cell *_global_sp; /* stack pointer for interpreter */
137 dumpinfo_t dumpinfo; /* dump memory info structure */
138 listnode_t linkage; /* threads-list */
142 /* exception pointer **********************************************************/
144 #define exceptionptr (&(THREADOBJECT->_exceptionptr))
147 /* stackframeinfo *************************************************************/
149 #define STACKFRAMEINFO (THREADOBJECT->_stackframeinfo)
152 /* functions ******************************************************************/
154 void threads_sem_init(sem_t *sem, bool shared, int value);
155 void threads_sem_wait(sem_t *sem);
156 void threads_sem_post(sem_t *sem);
158 threadobject *threads_get_current_threadobject(void);
160 bool threads_init(void);
162 void threads_start_thread(threadobject *thread, functionptr function);
164 void threads_set_thread_priority(pthread_t tid, int priority);
166 bool threads_attach_current_thread(JavaVMAttachArgs *vm_aargs, bool isdaemon);
167 bool threads_detach_thread(threadobject *thread);
169 void threads_join_all_threads(void);
171 void threads_sleep(s8 millis, s4 nanos);
172 void threads_yield(void);
174 bool threads_wait_with_timeout_relative(threadobject *t, s8 millis, s4 nanos);
176 void threads_thread_interrupt(threadobject *thread);
177 bool threads_check_if_interrupted_and_reset(void);
178 bool threads_thread_has_been_interrupted(threadobject *thread);
180 void threads_cast_stopworld(void);
181 void threads_cast_startworld(void);
183 #endif /* _THREADS_H */
187 * These are local overrides for various environment variables in Emacs.
188 * Please do not remove this and leave it at the end of the file, where
189 * Emacs will automagically detect them.
190 * ---------------------------------------------------------------------
193 * indent-tabs-mode: t
197 * vim:noexpandtab:sw=4:ts=4: