1 /* src/native/vm/sun_misc_Unsafe.c - sun/misc/Unsafe
3 Copyright (C) 2006, 2007 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 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
33 #include "mm/memory.h"
35 #include "native/jni.h"
36 #include "native/llni.h"
37 #include "native/native.h"
39 #include "native/include/java_lang_Object.h" /* before c.l.C */
40 #include "native/include/java_lang_String.h" /* required by j.l.CL */
42 #if defined(WITH_CLASSPATH_SUN)
43 # include "native/include/java_nio_ByteBuffer.h" /* required by j.l.CL */
46 #include "native/include/java_lang_ClassLoader.h" /* required by j.l.C */
47 #include "native/include/java_lang_Class.h"
48 #include "native/include/java_lang_reflect_Field.h"
49 #include "native/include/java_lang_Thread.h" /* required by s.m.U */
50 #include "native/include/java_lang_Throwable.h"
52 #include "native/include/java_security_ProtectionDomain.h" /* required by smU */
54 #include "native/include/sun_misc_Unsafe.h"
56 #include "vm/builtin.h"
57 #include "vm/exceptions.h"
58 #include "vm/initialize.h"
59 #include "vm/stringlocal.h"
61 #include "vmcore/utf8.h"
64 /* native methods implemented by this file ************************************/
66 static JNINativeMethod methods[] = {
67 { "registerNatives", "()V", (void *) (intptr_t) &Java_sun_misc_Unsafe_registerNatives },
68 { "getInt", "(Ljava/lang/Object;J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J },
69 { "putInt", "(Ljava/lang/Object;JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI },
70 { "getObject", "(Ljava/lang/Object;J)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_getObject },
71 { "putObject", "(Ljava/lang/Object;JLjava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putObject },
72 { "getBoolean", "(Ljava/lang/Object;J)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_getBoolean },
73 { "putBoolean", "(Ljava/lang/Object;JZ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putBoolean },
74 { "getByte", "(Ljava/lang/Object;J)B", (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J },
75 { "putByte", "(Ljava/lang/Object;JB)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB },
76 { "putShort", "(Ljava/lang/Object;JS)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS },
77 { "getChar", "(Ljava/lang/Object;J)C", (void *) (intptr_t) &Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J },
78 { "putChar", "(Ljava/lang/Object;JC)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC },
79 { "putFloat", "(Ljava/lang/Object;JF)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF },
80 { "getByte", "(J)B", (void *) (intptr_t) &Java_sun_misc_Unsafe_getByte__J },
81 { "getInt", "(J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getInt__J },
82 { "putInt", "(JI)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putInt__JI },
83 { "getLong", "(J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLong__J },
84 { "putLong", "(JJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_putLong__JJ },
85 { "objectFieldOffset", "(Ljava/lang/reflect/Field;)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_objectFieldOffset },
86 { "allocateMemory", "(J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_allocateMemory },
87 { "freeMemory", "(J)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_freeMemory },
88 { "staticFieldOffset", "(Ljava/lang/reflect/Field;)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_staticFieldOffset },
89 { "staticFieldBase", "(Ljava/lang/reflect/Field;)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_staticFieldBase },
90 { "ensureClassInitialized", "(Ljava/lang/Class;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_ensureClassInitialized },
91 { "arrayBaseOffset", "(Ljava/lang/Class;)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayBaseOffset },
92 { "arrayIndexScale", "(Ljava/lang/Class;)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_arrayIndexScale },
93 { "addressSize", "()I", (void *) (intptr_t) &Java_sun_misc_Unsafe_addressSize },
94 { "pageSize", "()I", (void *) (intptr_t) &Java_sun_misc_Unsafe_pageSize },
95 { "defineClass", "(Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;", (void *) (intptr_t) &Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2 },
96 { "allocateInstance", "(Ljava/lang/Class;)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_allocateInstance },
97 { "throwException", "(Ljava/lang/Throwable;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_throwException },
98 { "compareAndSwapObject", "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapObject },
99 { "compareAndSwapInt", "(Ljava/lang/Object;JII)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapInt },
100 { "compareAndSwapLong", "(Ljava/lang/Object;JJJ)Z", (void *) (intptr_t) &Java_sun_misc_Unsafe_compareAndSwapLong },
101 { "getObjectVolatile", "(Ljava/lang/Object;J)Ljava/lang/Object;", (void *) (intptr_t) &Java_sun_misc_Unsafe_getObjectVolatile },
102 { "getIntVolatile", "(Ljava/lang/Object;J)I", (void *) (intptr_t) &Java_sun_misc_Unsafe_getIntVolatile },
103 { "getLongVolatile", "(Ljava/lang/Object;J)J", (void *) (intptr_t) &Java_sun_misc_Unsafe_getLongVolatile },
104 { "unpark", "(Ljava/lang/Object;)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_unpark },
105 { "park", "(ZJ)V", (void *) (intptr_t) &Java_sun_misc_Unsafe_park },
109 /* _Jv_sun_misc_Unsafe_init ****************************************************
111 Register native functions.
113 *******************************************************************************/
115 void _Jv_sun_misc_Unsafe_init(void)
119 u = utf_new_char("sun/misc/Unsafe");
121 native_method_register(u, methods, NATIVE_METHODS_COUNT);
126 * Class: sun/misc/Unsafe
127 * Method: registerNatives
130 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_registerNatives(JNIEnv *env, jclass clazz)
132 /* The native methods of this function are already registered in
133 _Jv_sun_misc_Unsafe_init() which is called during VM
139 * Class: sun/misc/Unsafe
141 * Signature: (Ljava/lang/Object;J)I
143 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
148 p = (int32_t *) (((uint8_t *) o) + offset);
157 * Class: sun/misc/Unsafe
159 * Signature: (Ljava/lang/Object;JI)V
161 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
165 p = (int32_t *) (((uint8_t *) o) + offset);
172 * Class: sun/misc/Unsafe
174 * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
176 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
181 p = (void **) (((uint8_t *) o) + offset);
190 * Class: sun/misc/Unsafe
192 * Signature: (Ljava/lang/Object;JLjava/lang/Object;)V
194 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *x)
198 p = (void **) (((uint8_t *) o) + offset);
205 * Class: sun/misc/Unsafe
207 * Signature: (Ljava/lang/Object;J)Z
209 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getBoolean(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
214 p = (int32_t *) (((uint8_t *) o) + offset);
223 * Class: sun/misc/Unsafe
225 * Signature: (Ljava/lang/Object;JZ)V
227 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putBoolean(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
231 p = (int32_t *) (((uint8_t *) o) + offset);
238 * Class: sun/misc/Unsafe
240 * Signature: (Ljava/lang/Object;J)B
242 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
247 p = (int32_t *) (((uint8_t *) o) + offset);
256 * Class: sun/misc/Unsafe
258 * Signature: (Ljava/lang/Object;JB)V
260 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putByte__Ljava_lang_Object_2JB(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
264 p = (int32_t *) (((uint8_t *) o) + offset);
271 * Class: sun/misc/Unsafe
273 * Signature: (Ljava/lang/Object;JS)V
275 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putShort__Ljava_lang_Object_2JS(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
279 p = (int32_t *) (((uint8_t *) o) + offset);
286 * Class: sun/misc/Unsafe
288 * Signature: (Ljava/lang/Object;J)C
290 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getChar__Ljava_lang_Object_2J(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
295 p = (int32_t *) (((uint8_t *) o) + offset);
304 * Class: sun/misc/Unsafe
306 * Signature: (Ljava/lang/Object;JC)V
308 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putChar__Ljava_lang_Object_2JC(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int32_t x)
312 p = (int32_t *) (((uint8_t *) o) + offset);
319 * Class: sun/misc/Unsafe
321 * Signature: (Ljava/lang/Object;JF)V
323 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putFloat__Ljava_lang_Object_2JF(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, float x)
327 p = (float *) (((uint8_t *) o) + offset);
334 * Class: sun/misc/Unsafe
338 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getByte__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
343 p = (int8_t *) (intptr_t) address;
347 return (int32_t) value;
352 * Class: sun/misc/Unsafe
356 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getInt__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
361 p = (int32_t *) (intptr_t) address;
370 * Class: sun/misc/Unsafe
374 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putInt__JI(JNIEnv *env, struct sun_misc_Unsafe* this, int64_t address, int32_t value)
378 p = (int32_t *) (intptr_t) address;
385 * Class: sun/misc/Unsafe
389 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLong__J(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
394 p = (int64_t *) (intptr_t) address;
403 * Class: sun/misc/Unsafe
407 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_putLong__JJ(JNIEnv *env, sun_misc_Unsafe *this, int64_t address, int64_t value)
411 p = (int64_t *) (intptr_t) address;
418 * Class: sun/misc/Unsafe
419 * Method: objectFieldOffset
420 * Signature: (Ljava/lang/reflect/Field;)J
422 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_objectFieldOffset(JNIEnv *env, sun_misc_Unsafe* this, java_lang_reflect_Field* field)
428 LLNI_field_get_cls(field, clazz, c);
429 LLNI_field_get_val(field, slot , slot);
430 f = &c->fields[slot];
432 return (int64_t) f->offset;
437 * Class: sun/misc/Unsafe
438 * Method: allocateMemory
441 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_allocateMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t bytes)
446 length = (size_t) bytes;
448 if ((length != (uint64_t) bytes) || (bytes < 0)) {
449 exceptions_throw_illegalargumentexception();
453 p = MNEW(uint8_t, length);
455 return (int64_t) (intptr_t) p;
460 * Class: sun/misc/Unsafe
464 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_freeMemory(JNIEnv *env, sun_misc_Unsafe *this, int64_t address)
468 p = (void *) (intptr_t) address;
473 /* we pass length 1 to trick the free function */
475 MFREE(p, uint8_t, 1);
480 * Class: sun/misc/Unsafe
481 * Method: staticFieldOffset
482 * Signature: (Ljava/lang/reflect/Field;)J
484 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_staticFieldOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *field)
490 LLNI_field_get_cls(field, clazz, c);
491 LLNI_field_get_val(field, slot , slot);
492 f = &(c->fields[slot]);
494 return (int64_t) (intptr_t) f->value;
499 * Class: sun/misc/Unsafe
500 * Method: staticFieldBase
501 * Signature: (Ljava/lang/reflect/Field;)Ljava/lang/Object;
503 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_staticFieldBase(JNIEnv *env, sun_misc_Unsafe *this, java_lang_reflect_Field *f)
505 /* In CACAO we return the absolute address in staticFieldOffset. */
512 * Class: sun/misc/Unsafe
513 * Method: ensureClassInitialized
514 * Signature: (Ljava/lang/Class;)V
516 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_ensureClassInitialized(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *class)
520 c = LLNI_classinfo_unwrap(class);
522 if (!(c->state & CLASS_INITIALIZED))
528 * Class: sun/misc/Unsafe
529 * Method: arrayBaseOffset
530 * Signature: (Ljava/lang/Class;)I
532 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayBaseOffset(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *arrayClass)
537 c = LLNI_classinfo_unwrap(arrayClass);
538 ad = c->vftbl->arraydesc;
541 /* XXX does that exception exist? */
542 exceptions_throw_internalerror("java/lang/InvalidClassException");
546 return ad->dataoffset;
551 * Class: sun/misc/Unsafe
552 * Method: arrayIndexScale
553 * Signature: (Ljava/lang/Class;)I
555 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_arrayIndexScale(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *arrayClass)
560 c = LLNI_classinfo_unwrap(arrayClass);
561 ad = c->vftbl->arraydesc;
564 /* XXX does that exception exist? */
565 exceptions_throw_internalerror("java/lang/InvalidClassException");
569 return ad->componentsize;
574 * Class: sun/misc/Unsafe
575 * Method: addressSize
578 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_addressSize(JNIEnv *env, sun_misc_Unsafe *this)
580 return SIZEOF_VOID_P;
585 * Class: sun/misc/Unsafe
589 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_pageSize(JNIEnv *env, sun_misc_Unsafe *this)
600 * Class: sun/misc/Unsafe
601 * Method: defineClass
602 * Signature: (Ljava/lang/String;[BIILjava/lang/ClassLoader;Ljava/security/ProtectionDomain;)Ljava/lang/Class;
604 JNIEXPORT java_lang_Class* JNICALL Java_sun_misc_Unsafe_defineClass__Ljava_lang_String_2_3BIILjava_lang_ClassLoader_2Ljava_security_ProtectionDomain_2(JNIEnv *env, sun_misc_Unsafe *this, java_lang_String *name, java_handle_bytearray_t *b, int32_t off, int32_t len, java_lang_ClassLoader *loader, java_security_ProtectionDomain *protectionDomain)
611 cl = (classloader *) loader;
613 /* check if data was passed */
616 exceptions_throw_nullpointerexception();
620 /* check the indexes passed */
622 if ((off < 0) || (len < 0) || ((off + len) > LLNI_array_size(b))) {
623 exceptions_throw_arrayindexoutofboundsexception();
628 /* convert '.' to '/' in java string */
630 utfname = javastring_toutf((java_handle_t *) name, true);
636 /* define the class */
638 c = class_define(utfname, cl, len, (const uint8_t *) &b->data[off],
644 /* for convenience */
646 o = LLNI_classinfo_wrap(c);
648 #if defined(WITH_CLASSPATH_GNU)
649 /* set ProtectionDomain */
651 LLNI_field_set_ref(o, pd, protectionDomain);
659 * Class: sun/misc/Unsafe
660 * Method: allocateInstance
661 * Signature: (Ljava/lang/Class;)Ljava/lang/Object;
663 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_allocateInstance(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Class *cls)
668 c = LLNI_classinfo_unwrap(cls);
672 return (java_lang_Object *) o;
677 * Class: sun/misc/Unsafe
678 * Method: throwException
679 * Signature: (Ljava/lang/Throwable;)V
681 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_throwException(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Throwable *ee)
685 o = (java_handle_t *) ee;
687 exceptions_set_exception(o);
692 * Class: sun/misc/Unsafe
693 * Method: compareAndSwapObject
694 * Signature: (Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z
696 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapObject(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, java_lang_Object *expected, java_lang_Object *x)
701 p = (void **) (((uint8_t *) o) + offset);
703 /* XXX this should be atomic */
707 if (value == expected) {
718 * Class: sun/misc/Unsafe
719 * Method: compareAndSwapInt
720 * Signature: (Ljava/lang/Object;JII)Z
722 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapInt(JNIEnv *env, sun_misc_Unsafe* this, java_lang_Object* obj, int64_t offset, int32_t expect, int32_t update)
727 p = (int32_t *) (((uint8_t *) obj) + offset);
729 /* XXX this should be atomic */
733 if (value == expect) {
744 * Class: sun/misc/Unsafe
745 * Method: compareAndSwapLong
746 * Signature: (Ljava/lang/Object;JJJ)Z
748 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_compareAndSwapLong(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset, int64_t expected, int64_t x)
753 p = (int64_t *) (((uint8_t *) o) + offset);
755 /* XXX this should be atomic */
759 if (value == expected) {
770 * Class: sun/misc/Unsafe
771 * Method: getObjectVolatile
772 * Signature: (Ljava/lang/Object;J)Ljava/lang/Object;
774 JNIEXPORT java_lang_Object* JNICALL Java_sun_misc_Unsafe_getObjectVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
777 volatile void *value;
779 p = (volatile void **) (((uint8_t *) o) + offset);
783 return (java_lang_Object *) value;
788 * Class: sun/misc/Unsafe
789 * Method: getIntVolatile
790 * Signature: (Ljava/lang/Object;J)I
792 JNIEXPORT int32_t JNICALL Java_sun_misc_Unsafe_getIntVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
795 volatile int32_t value;
797 p = (volatile int32_t *) (((uint8_t *) o) + offset);
806 * Class: sun/misc/Unsafe
807 * Method: getLongVolatile
808 * Signature: (Ljava/lang/Object;J)J
810 JNIEXPORT int64_t JNICALL Java_sun_misc_Unsafe_getLongVolatile(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *o, int64_t offset)
813 volatile int64_t value;
815 p = (volatile int64_t *) (((uint8_t *) o) + offset);
824 * Class: sun/misc/Unsafe
826 * Signature: (Ljava/lang/Object;)V
828 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_unpark(JNIEnv *env, sun_misc_Unsafe *this, java_lang_Object *thread)
830 /* XXX IMPLEMENT ME */
835 * Class: sun/misc/Unsafe
839 JNIEXPORT void JNICALL Java_sun_misc_Unsafe_park(JNIEnv *env, sun_misc_Unsafe *this, int32_t isAbsolute, int64_t time)
841 /* XXX IMPLEMENT ME */
846 * These are local overrides for various environment variables in Emacs.
847 * Please do not remove this and leave it at the end of the file, where
848 * Emacs will automagically detect them.
849 * ---------------------------------------------------------------------
852 * indent-tabs-mode: t