feat: libSystem: implement 'Jail.h' header.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 15 insertions, 2 deletions

diff --git a/dev/libSystem/SystemKit/Jail.h b/dev/libSystem/SystemKit/Jail.h
index 998173f9..4098089d 100644
--- a/dev/libSystem/SystemKit/Jail.h
+++ b/dev/libSystem/SystemKit/Jail.h
@@ -9,7 +9,7 @@
 #include <libSystem/SystemKit/System.h>
 
 /// @file Jail.h
-/// @brief NeKernel Jail System
+/// @brief NeKernel Jail System, part of OpenEnclave.
 
 struct JAIL_INFO;
 struct JAIL;
@@ -19,4 +19,17 @@ struct JAIL_INFO {
   SInt32 fParentID;
   SInt32 fJailHash;
   SInt64 fACL;
-};
\ No newline at end of file
+};
+
+/// @brief Jail information (we grab a JAIL from JailGetCurrent())
+struct JAIL {
+  struct JAIL_INFO* fServer;
+  struct JAIL_INFO* fClient;
+  SInt32            fJailHash;
+  SInt32            fParentID;
+  SInt64            fACL;
+};
+
+/// @brief Get the current jail
+/// @return Pointer to the current jail structure, or NULL if not in a jail
+IMPORT_C struct JAIL* JailGetCurrent(Void);