Add Apophis special role

src/lib.rs

@@ -25,13 +25,15 @@ pub const MAX_PRD_PAYLOAD_SIZE: usize = u16::MAX as usize; // 64KiB sounds reaso
 
 #[derive(Debug, PartialEq, Eq)]
 pub enum SpecialRoles {
-    DEMIURGE,
+    DEMIURGE, // Only valid for the first state of a process
+    APOPHIS, // Users in this role have the power to destroy the process
 }
 
 impl std::fmt::Display for SpecialRoles {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         let role_str = match self {
             SpecialRoles::DEMIURGE => "demiurge",
+            SpecialRoles::APOPHIS => "apophis",
         };
         write!(f, "{}", role_str)
     }
@@ -43,6 +45,7 @@ impl FromStr for SpecialRoles {
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         match s {
             "demiurge" => Ok(SpecialRoles::DEMIURGE),
+            "apophis" => Ok(SpecialRoles::APOPHIS),
             _ => Err(format!("Invalid role: {}", s)),
         }
     }