static struct semaphore *create_semaphore( struct directory *root, const struct unicode_str *name,
unsigned int attr, unsigned int initial, unsigned int max,
const struct security_descriptor *sd )
{
struct semaphore *sem;
if (!max || (initial > max))
{
set_error( STATUS_INVALID_PARAMETER );
return NULL;
}
if ((sem = create_named_object_dir( root, name, attr, &semaphore_ops )))
{
if (get_error() != STATUS_OBJECT_NAME_EXISTS)
{
/* initialize it if it didn't already exist */
sem->count = initial;
sem->max = max;
if (sd) default_set_sd( &sem->obj, sd, OWNER_SECURITY_INFORMATION|
GROUP_SECURITY_INFORMATION|
DACL_SECURITY_INFORMATION|
SACL_SECURITY_INFORMATION );
}
}
return sem;
}
struct symlink *create_symlink( struct directory *root, const struct unicode_str *name,
unsigned int attr, const struct unicode_str *target,
const struct security_descriptor *sd )
{
struct symlink *symlink;
if (!target->len)
{
set_error( STATUS_INVALID_PARAMETER );
return NULL;
}
if ((symlink = create_named_object_dir( root, name, attr, &symlink_ops )) &&
(get_error() != STATUS_OBJECT_NAME_EXISTS))
{
if ((symlink->target = memdup( target->str, target->len )))
{
symlink->len = target->len;
if (sd)
default_set_sd( &symlink->obj, sd,
OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION | SACL_SECURITY_INFORMATION );
}
else
{
release_object( symlink );
symlink = NULL;
}
}
return symlink;
}
struct keyed_event *create_keyed_event( struct directory *root, const struct unicode_str *name,
unsigned int attr, const struct security_descriptor *sd )
{
struct keyed_event *event;
if ((event = create_named_object_dir( root, name, attr, &keyed_event_ops )))
{
if (get_error() != STATUS_OBJECT_NAME_EXISTS)
{
/* initialize it if it didn't already exist */
if (sd) default_set_sd( &event->obj, sd, OWNER_SECURITY_INFORMATION|
GROUP_SECURITY_INFORMATION|
DACL_SECURITY_INFORMATION|
SACL_SECURITY_INFORMATION );
}
}
return event;
}
static struct mutex *create_mutex( struct directory *root, const struct unicode_str *name,
unsigned int attr, int owned, const struct security_descriptor *sd )
{
struct mutex *mutex;
if ((mutex = create_named_object_dir( root, name, attr, &mutex_ops )))
{
if (get_error() != STATUS_OBJECT_NAME_EXISTS)
{
/* initialize it if it didn't already exist */
mutex->count = 0;
mutex->owner = NULL;
mutex->abandoned = 0;
if (owned) do_grab( mutex, current );
if (sd) default_set_sd( &mutex->obj, sd, OWNER_SECURITY_INFORMATION|
GROUP_SECURITY_INFORMATION|
DACL_SECURITY_INFORMATION|
SACL_SECURITY_INFORMATION );
}
}
return mutex;
}
