C++ check_free_callbacks函数代码示例

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本文整理汇总了C++中check_free_callbacks函数的典型用法代码示例。如果您正苦于以下问题：C++ check_free_callbacks函数的具体用法？C++ check_free_callbacks怎么用？C++ check_free_callbacks使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了check_free_callbacks函数的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: grow_gnttab_list

static int grow_gnttab_list(unsigned int more_frames)
{
	unsigned int new_nr_grant_frames, extra_entries, i;
	unsigned int nr_glist_frames, new_nr_glist_frames;

	new_nr_grant_frames = nr_grant_frames + more_frames;
	extra_entries       = more_frames * ENTRIES_PER_GRANT_FRAME;

	nr_glist_frames = nr_freelist_frames(nr_grant_frames);
	new_nr_glist_frames = nr_freelist_frames(new_nr_grant_frames);
	for (i = nr_glist_frames; i < new_nr_glist_frames; i++) {
		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC);
		if (!gnttab_list[i])
			goto grow_nomem;
	}

	for (i = ENTRIES_PER_GRANT_FRAME * nr_grant_frames;
	     i < ENTRIES_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++)
		gnttab_entry(i) = i + 1;

	gnttab_entry(i) = gnttab_free_head;
	gnttab_free_head = ENTRIES_PER_GRANT_FRAME * nr_grant_frames;
	gnttab_free_count += extra_entries;

	nr_grant_frames = new_nr_grant_frames;

	check_free_callbacks();

	return 0;
	
grow_nomem:
	for ( ; i >= nr_glist_frames; i--)
		free_page((unsigned long) gnttab_list[i]);
	return -ENOMEM;
}

开发者ID:xf739645524，项目名称:kernel-rhel5，代码行数:35，代码来源:gnttab.c

示例2: gnttab_request_free_callback

void gnttab_request_free_callback(struct gnttab_free_callback *callback,
				  void (*fn)(void *), void *arg, u16 count)
{
	unsigned long flags;
	struct gnttab_free_callback *cb;

	spin_lock_irqsave(&gnttab_list_lock, flags);

	/* Check if the callback is already on the list */
	cb = gnttab_free_callback_list;
	while (cb) {
		if (cb == callback)
			goto out;
		cb = cb->next;
	}

	callback->fn = fn;
	callback->arg = arg;
	callback->count = count;
	callback->next = gnttab_free_callback_list;
	gnttab_free_callback_list = callback;
	check_free_callbacks();
out:
	spin_unlock_irqrestore(&gnttab_list_lock, flags);
}

开发者ID:DenisLug，项目名称:mptcp，代码行数:25，代码来源:grant-table.c

示例3: put_free_entry

static void put_free_entry(grant_ref_t ref)
{
	unsigned long flags;
	spin_lock_irqsave(&gnttab_list_lock, flags);
	gnttab_entry(ref) = gnttab_free_head;
	gnttab_free_head = ref;
	gnttab_free_count++;
	check_free_callbacks();
	spin_unlock_irqrestore(&gnttab_list_lock, flags);
}

开发者ID:xf739645524，项目名称:kernel-rhel5，代码行数:10，代码来源:gnttab.c

示例4: put_free_entry

static void
put_free_entry(grant_ref_t ref)
{

	mtx_lock(&gnttab_list_lock);
	gnttab_entry(ref) = gnttab_free_head;
	gnttab_free_head = ref;
	gnttab_free_count++;
	check_free_callbacks();
	mtx_unlock(&gnttab_list_lock);
}

开发者ID:2asoft，项目名称:freebsd，代码行数:11，代码来源:grant_table.c

示例5: gnttab_request_free_callback

void gnttab_request_free_callback(struct gnttab_free_callback *callback,
				  void (*fn)(void *), void *arg, u16 count)
{
	unsigned long flags;
	spin_lock_irqsave(&gnttab_list_lock, flags);
	if (callback->next)
		goto out;
	callback->fn = fn;
	callback->arg = arg;
	callback->count = count;
	callback->next = gnttab_free_callback_list;
	gnttab_free_callback_list = callback;
	check_free_callbacks();
out:
	spin_unlock_irqrestore(&gnttab_list_lock, flags);
}

开发者ID:xf739645524，项目名称:kernel-rhel5，代码行数:16，代码来源:gnttab.c

示例6: gnttab_request_free_callback

void
gnttab_request_free_callback(struct gnttab_free_callback *callback,
    void (*fn)(void *), void *arg, uint16_t count)
{

	mtx_lock(&gnttab_list_lock);
	if (callback->next)
		goto out;
	callback->fn = fn;
	callback->arg = arg;
	callback->count = count;
	callback->next = gnttab_free_callback_list;
	gnttab_free_callback_list = callback;
	check_free_callbacks();
 out:
	mtx_unlock(&gnttab_list_lock);

}

开发者ID:2asoft，项目名称:freebsd，代码行数:18，代码来源:grant_table.c

示例7: gnttab_free_grant_references

void gnttab_free_grant_references(grant_ref_t head)
{
	grant_ref_t ref;
	unsigned long flags;
	int count = 1;
	if (head == GNTTAB_LIST_END)
		return;
	spin_lock_irqsave(&gnttab_list_lock, flags);
	ref = head;
	while (gnttab_entry(ref) != GNTTAB_LIST_END) {
		ref = gnttab_entry(ref);
		count++;
	}
	gnttab_entry(ref) = gnttab_free_head;
	gnttab_free_head = head;
	gnttab_free_count += count;
	check_free_callbacks();
	spin_unlock_irqrestore(&gnttab_list_lock, flags);
}

开发者ID:xf739645524，项目名称:kernel-rhel5，代码行数:19，代码来源:gnttab.c

示例8: gnttab_free_grant_references

void
gnttab_free_grant_references(grant_ref_t head)
{
	grant_ref_t ref;
	int count = 1;

	if (head == GNTTAB_LIST_END)
		return;

	ref = head;
	while (gnttab_entry(ref) != GNTTAB_LIST_END) {
		ref = gnttab_entry(ref);
		count++;
	}
	mtx_lock(&gnttab_list_lock);
	gnttab_entry(ref) = gnttab_free_head;
	gnttab_free_head = head;
	gnttab_free_count += count;
	check_free_callbacks();
	mtx_unlock(&gnttab_list_lock);
}

开发者ID:2asoft，项目名称:freebsd，代码行数:21，代码来源:grant_table.c

示例9: grow_gnttab_list

static int grow_gnttab_list(unsigned int more_frames)
{
	unsigned int new_nr_grant_frames, extra_entries, i;
	unsigned int nr_glist_frames, new_nr_glist_frames;

	BUG_ON(grefs_per_grant_frame == 0);

	new_nr_grant_frames = nr_grant_frames + more_frames;
	extra_entries       = more_frames * grefs_per_grant_frame;

	nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
	new_nr_glist_frames =
		(new_nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
	for (i = nr_glist_frames; i < new_nr_glist_frames; i++) {
		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC);
		if (!gnttab_list[i])
			goto grow_nomem;
	}


	for (i = grefs_per_grant_frame * nr_grant_frames;
	     i < grefs_per_grant_frame * new_nr_grant_frames - 1; i++)
		gnttab_entry(i) = i + 1;

	gnttab_entry(i) = gnttab_free_head;
	gnttab_free_head = grefs_per_grant_frame * nr_grant_frames;
	gnttab_free_count += extra_entries;

	nr_grant_frames = new_nr_grant_frames;

	check_free_callbacks();

	return 0;

grow_nomem:
	while (i-- > nr_glist_frames)
		free_page((unsigned long) gnttab_list[i]);
	return -ENOMEM;
}

开发者ID:DenisLug，项目名称:mptcp，代码行数:39，代码来源:grant-table.c

示例10: grow_gnttab_list

static int
grow_gnttab_list(unsigned int more_frames)
{
	unsigned int new_nr_grant_frames, extra_entries, i;

	new_nr_grant_frames = nr_grant_frames + more_frames;
	extra_entries       = more_frames * GREFS_PER_GRANT_FRAME;

	for (i = nr_grant_frames; i < new_nr_grant_frames; i++)
	{
		gnttab_list[i] = (grant_ref_t *)
			malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT);

		if (!gnttab_list[i])
			goto grow_nomem;
	}

	for (i = GREFS_PER_GRANT_FRAME * nr_grant_frames;
	     i < GREFS_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++)
		gnttab_entry(i) = i + 1;

	gnttab_entry(i) = gnttab_free_head;
	gnttab_free_head = GREFS_PER_GRANT_FRAME * nr_grant_frames;
	gnttab_free_count += extra_entries;

	nr_grant_frames = new_nr_grant_frames;

	check_free_callbacks();

	return (0);

grow_nomem:
	for ( ; i >= nr_grant_frames; i--)
		free(gnttab_list[i], M_DEVBUF);
	return (ENOMEM);
}

开发者ID:2asoft，项目名称:freebsd，代码行数:36，代码来源:grant_table.c

注：本文中的check_free_callbacks函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。