add status info to memory mappings

+ next up would probably be to start working on process/thread
  relationships, largely as documented. Still not entirely sure about
  how I want to handle fork, but I suppose I might figure it out at some
  point.

1 files changed, 15 insertions, 0 deletions

diff --git a/common/tcb.c b/common/tcb.c
index bb1bcec..212e20f 100644
--- a/common/tcb.c
+++ b/common/tcb.c
@@ -4,7 +4,9 @@
 #include <apos/pmem.h>
 #include <apos/nodes.h>
 #include <apos/types.h>
+#include <apos/assert.h>
 #include <apos/string.h>
+#include <arch/vmem.h>
 
 /* arguably exessively many globals... */
 static id_t start_tid;
@@ -98,3 +100,16 @@ struct tcb *get_tcb(id_t tid)
 
 	return tcbs[tid];
 }
+
+stat_t clone_tcb_maps(struct tcb *r)
+{
+	hard_assert(r && !r->parent, ERR_INVAL);
+	struct tcb *t = r;
+	while ((t = t->next)) {
+		stat_t ret = clone_vmbranch(r->b_r, t->b_r);
+		if (ret)
+			return ret;
+	}
+
+	return OK;
+}