pub trait Groups {
fn get_group_by_gid(&self, gid: gid_t) -> Option<Arc<Group>>;
fn get_group_by_name<S: AsRef<OsStr> + ?Sized>(
&self,
group_name: &S
) -> Option<Arc<Group>>;
fn get_current_gid(&self) -> gid_t;
fn get_current_groupname(&self) -> Option<Arc<OsString>>;
fn get_effective_gid(&self) -> gid_t;
fn get_effective_groupname(&self) -> Option<Arc<OsString>>;
}
Expand description
Trait for producers of groups.
Required Methods§
sourcefn get_group_by_gid(&self, gid: gid_t) -> Option<Arc<Group>>
fn get_group_by_gid(&self, gid: gid_t) -> Option<Arc<Group>>
Returns a Group object if one exists for the given group ID; otherwise, returns None.
sourcefn get_group_by_name<S: AsRef<OsStr> + ?Sized>(
&self,
group_name: &S
) -> Option<Arc<Group>>
fn get_group_by_name<S: AsRef<OsStr> + ?Sized>(
&self,
group_name: &S
) -> Option<Arc<Group>>
Returns a Group object if one exists for the given groupname; otherwise, returns None.
sourcefn get_current_gid(&self) -> gid_t
fn get_current_gid(&self) -> gid_t
Returns the group ID for the user running the process.
sourcefn get_current_groupname(&self) -> Option<Arc<OsString>>
fn get_current_groupname(&self) -> Option<Arc<OsString>>
Returns the group name of the user running the process.
sourcefn get_effective_gid(&self) -> gid_t
fn get_effective_gid(&self) -> gid_t
Returns the effective group id.
sourcefn get_effective_groupname(&self) -> Option<Arc<OsString>>
fn get_effective_groupname(&self) -> Option<Arc<OsString>>
Returns the effective group name.