dedicated kthread interface and enablement of lrud auto-recycler

[lunaix-os.git] / lunaix-os / includes / lunaix / process.h

diff --git a/lunaix-os/includes/lunaix/process.h b/lunaix-os/includes/lunaix/process.h
index 86e485e27a599d78c051d1d9879e3f4b8153f87c..d35c2340822805918165189b854d50a30319197d 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -13,6 +13,8 @@
 #include <lunaix/types.h>
 #include <lunaix/spike.h>
 #include <lunaix/hart_state.h>
+#include <lunaix/usrscope.h>
+
 #include <stdint.h>
 
 
@@ -113,7 +115,7 @@ struct thread
 {
     /*
         Any change to *critical section*, including layout, size
-        must be reflected in arch/x86/interrupt.S.inc to avoid
+        must be reflected in arch/<arch>/interrupt.S.inc to avoid
         disaster!
      */
     struct
@@ -167,6 +169,14 @@ struct proc_info
         pid_t pgid;
         time_t created;
 
+        uid_t euid;
+        uid_t suid;
+        gid_t egid;
+        gid_t sgid;
+
+        struct user_scope uscope;
+        struct v_dnode* root;
+
         int state;
         int exit_code;
     };
@@ -362,17 +372,6 @@ create_thread(struct proc_info* proc, bool with_ustack);
 void
 start_thread(struct thread* th, ptr_t entry);
 
-static inline void
-spawn_kthread(ptr_t entry) {
-    assert(kernel_process(__current));
-
-    struct thread* th = create_thread(__current, false);
-    
-    assert(th);
-    start_thread(th, entry);
-    detach_thread(th);
-}
-
 void 
 exit_thread(void* val);
 
@@ -463,5 +462,40 @@ thread_stats_user_elapse(struct thread* thread)
     return stats->last_entry - stats->last_leave;
 }
 
+static inline struct user_scope*
+current_user_scope()
+{
+    return &__current->uscope;
+}
+
+static inline uid_t must_inline
+current_euid()
+{
+    return __current->euid;
+}
+
+static inline bool must_inline
+current_is_root()
+{
+    return current_euid() == 0;
+}
+
+static inline gid_t must_inline
+current_egid()
+{
+    return __current->egid;
+}
+
+static inline void must_inline
+current_set_egid(gid_t gid)
+{
+    __current->egid = gid;
+}
+
+static inline void must_inline
+current_set_euid(uid_t uid)
+{
+    __current->euid = uid;
+}
 
 #endif /* __LUNAIX_PROCESS_H */