C++ (Cpp) DVM_LOCK_INITの例

コード例 #1

ファイル: Alloc.c プロジェクト: dslab-epfl/dimmunix

/*
 * Create a copy of an object, for Object.clone().
 *
 * We use the size actually allocated, rather than obj->clazz->objectSize,
 * because the latter doesn't work for array objects.
 */
Object* dvmCloneObject(Object* obj)
{
    Object* copy;
    int size;
    int flags;

    assert(dvmIsValidObject(obj));

    /* Class.java shouldn't let us get here (java.lang.Class is final
     * and does not implement Clonable), but make extra sure.
     * A memcpy() clone will wreak havoc on a ClassObject's "innards".
     */
    assert(obj->clazz != gDvm.classJavaLangClass);

    if (IS_CLASS_FLAG_SET(obj->clazz, CLASS_ISFINALIZABLE))
        flags = ALLOC_DEFAULT | ALLOC_FINALIZABLE;
    else
        flags = ALLOC_DEFAULT;

//TODO: use clazz->objectSize for non-arrays
    size = dvmObjectSizeInHeap(obj);

    copy = dvmMalloc(size, flags);
    if (copy == NULL)
        return NULL;
#if WITH_HPROF && WITH_HPROF_STACK
    hprofFillInStackTrace(copy);
    dvmTrackAllocation(obj->clazz, size);
#endif

    memcpy(copy, obj, size);

    DVM_LOCK_INIT(&copy->lock);

	Monitor* mon = NULL;//dvmCreateMonitor(copy);
	copy->lock = (u4)mon | LW_SHAPE_FAT;

    //LOGV("CloneObject: %p->%p %s (%d)\n", obj, copy, obj->clazz->name, size);

    // TODO: deal with reference classes

    /* don't call dvmReleaseTrackedAlloc -- the caller must do that */

    return copy;
}

コード例 #2

ファイル: Alloc.c プロジェクト: Jaywalker/platform_dalvik

/*
 * Create a copy of an object, for Object.clone().
 *
 * We use the size actually allocated, rather than obj->clazz->objectSize,
 * because the latter doesn't work for array objects.
 */
Object* dvmCloneObject(Object* obj)
{
    Object* copy;
    int size;
    int flags;

    assert(dvmIsValidObject(obj));

    /* Class.java shouldn't let us get here (java.lang.Class is final
     * and does not implement Clonable), but make extra sure.
     * A memcpy() clone will wreak havoc on a ClassObject's "innards".
     */
    assert(obj->clazz != gDvm.classJavaLangClass);

    if (IS_CLASS_FLAG_SET(obj->clazz, CLASS_ISFINALIZABLE))
        flags = ALLOC_DEFAULT | ALLOC_FINALIZABLE;
    else
        flags = ALLOC_DEFAULT;

    if (IS_CLASS_FLAG_SET(obj->clazz, CLASS_ISARRAY)) {
        size = dvmArrayObjectSize((ArrayObject *)obj);
    } else {
        size = obj->clazz->objectSize;
    }

    copy = dvmMalloc(size, flags);
    if (copy == NULL)
        return NULL;
#if WITH_HPROF && WITH_HPROF_STACK
    hprofFillInStackTrace(copy);
    dvmTrackAllocation(obj->clazz, size);
#endif

    memcpy(copy, obj, size);
    DVM_LOCK_INIT(&copy->lock);
    dvmWriteBarrierObject(copy);

    return copy;
}