unmap message object used for syscalls

2 files changed, 26 insertions, 2 deletions

diff --git a/proc/process.c b/proc/process.c
index 3687c8a..55737f6 100644
--- a/proc/process.c
+++ b/proc/process.c
@@ -6,3 +6,21 @@ process_current(void)
 {
     return processor_pcb(((processor_t*)processor_current()));
 }
+
+pid_t
+pcb_getpid(pcb_t *pcb)
+{
+    return ((struct pcb_expected_header*)pcb)->pid;
+}
+
+jove_obj_t*
+pcb_rootdir(pcb_t *pcb)
+{
+    return ((struct pcb_expected_header*)pcb)->rootdir;
+}
+
+jove_obj_t*
+pcb_pagedir(pcb_t *pcb)
+{
+    return ((struct pcb_expected_header*)pcb)->pagedir;
+}
diff --git a/proc/process.h b/proc/process.h
index 5099476..2757f6f 100644
--- a/proc/process.h
+++ b/proc/process.h
@@ -21,6 +21,10 @@ struct pcb_expected_header
 {
     struct rbtree_node tree_node;
     struct process_control_block *sched_next;
+
+    pid_t pid;
+    jove_obj_t *rootdir;
+    jove_obj_t *pagedir;
 };
 
 typedef struct process_control_block pcb_t;
@@ -29,10 +33,12 @@ jove_owned_obj_t *process_current(void);
 
 void pcb_new(pcb_t *pcb);
 /*Returns the process ID of the passed PCB. */
-pid_t pcb_pid(pcb_t *pcb);
+pid_t pcb_getpid(pcb_t *pcb);
 /*Returns the root kernel object directory of this PCB. */
 jove_obj_t *pcb_rootdir(pcb_t *pcb);
 
-extern pcb_t *_init_pcb;
+jove_obj_t *pcb_pagedir(pcb_t *pcb);
+
+extern pcb_t *pcb_tree;
 
 #endif