C++ (Cpp) sysfs_create_subdir примеры использования

Пример #1

Файл: group.c Проект: Cool-Joe/imx23-audio

static int internal_create_group(struct kobject *kobj, int update,
				 const struct attribute_group *grp)
{
	struct sysfs_dirent *sd;
	int error;

	BUG_ON(!kobj || (!update && !kobj->sd));

	/* Updates may happen before the object has been instantiated */
	if (unlikely(update && !kobj->sd))
		return -EINVAL;
	if (!grp->attrs && !grp->bin_attrs) {
		WARN(1, "sysfs: (bin_)attrs not set by subsystem for group: %s/%s\n",
			kobj->name, grp->name ? "" : grp->name);
		return -EINVAL;
	}
	if (grp->name) {
		error = sysfs_create_subdir(kobj, grp->name, &sd);
		if (error)
			return error;
	} else
		sd = kobj->sd;
	sysfs_get(sd);
	error = create_files(sd, kobj, grp, update);
	if (error) {
		if (grp->name)
			sysfs_remove_subdir(sd);
	}
	sysfs_put(sd);
	return error;
}

Пример #2

Файл: group.c Проект: maraz/linux-2.6

static int internal_create_group(struct kobject *kobj, int update,
				 const struct attribute_group *grp)
{
	struct sysfs_dirent *sd;
	int error;

	BUG_ON(!kobj || (!update && !kobj->sd));

	/* Updates may happen before the object has been instantiated */
	if (unlikely(update && !kobj->sd))
		return -EINVAL;

	if (grp->name) {
		error = sysfs_create_subdir(kobj, grp->name, &sd);
		if (error)
			return error;
	} else
		sd = kobj->sd;
	sysfs_get(sd);
	error = create_files(sd, kobj, grp, update);
	if (error) {
		if (grp->name)
			sysfs_remove_subdir(sd);
	}
	sysfs_put(sd);
	return error;
}

Пример #3

Файл: group.c Проект: laitianli/kernel-analyze_linux-2.6.18

/**ltl
 * 功能: 创建一个文件组
 * 参数:
 * 返回值:
 * 说明: 在/sys下创建一下目录，并在此目录新建文件
 */
int sysfs_create_group(struct kobject * kobj, 
		       const struct attribute_group * grp)
{
	struct dentry * dir;
	int error;

	BUG_ON(!kobj || !kobj->dentry);

	if (grp->name) { /* 创建目录 */
		error = sysfs_create_subdir(kobj,grp->name,&dir);
		if (error)
			return error;
	} else
		dir = kobj->dentry;
	dir = dget(dir);
	if ((error = create_files(dir,grp))) { /* 创建文件 */
		if (grp->name)
			sysfs_remove_subdir(dir);
	}
	dput(dir);
	return error;
}

Пример #4

Файл: group.c Проект: PennPanda/linux-repo

int sysfs_create_group(struct kobject * kobj, 
		       const struct attribute_group * grp)
{
	struct sysfs_dirent *sd;
	int error;

	BUG_ON(!kobj || !kobj->sd);

	if (grp->name) {
		error = sysfs_create_subdir(kobj, grp->name, &sd);
		if (error)
			return error;
	} else
		sd = kobj->sd;
	sysfs_get(sd);
	error = create_files(sd, grp);
	if (error) {
		if (grp->name)
			sysfs_remove_subdir(sd);
	}
	sysfs_put(sd);
	return error;
}