void add_function(boost::python::object& object, FunctionT function, const std::string& name, const std::string& docstring = "")
{
boost::python::object func_obj = boost::python::make_function(function);
boost::python::setattr(func_obj, "__doc__", boost::python::str(docstring.c_str()));
// TODO: weak ref here doesn't work for some reasons
generic_setattr(object, name.c_str(), boost::python::import("types").attr("MethodType")(func_obj, object));
}
/*
* note this function is deprecated, the new truncate sequence should be
* used instead -- see eg. simple_setsize, generic_setattr.
*/
int inode_setattr(struct inode *inode, const struct iattr *attr)
{
unsigned int ia_valid = attr->ia_valid;
if (ia_valid & ATTR_SIZE &&
attr->ia_size != i_size_read(inode)) {
int error;
error = vmtruncate(inode, attr->ia_size);
if (error)
return error;
}
generic_setattr(inode, attr);
mark_inode_dirty(inode);
return 0;
}
int sysfs_setattr(struct dentry *dentry, struct iattr *iattr)
{
struct inode *inode = dentry->d_inode;
struct sysfs_dirent *sd = dentry->d_fsdata;
int error;
if (!sd)
return -EINVAL;
mutex_lock(&sysfs_mutex);
error = inode_change_ok(inode, iattr);
if (error)
goto out;
/* this ignores size changes */
generic_setattr(inode, iattr);
error = sysfs_sd_setattr(sd, iattr);
out:
mutex_unlock(&sysfs_mutex);
return error;
}
