fork() pt 1: cloning process memory

1 files changed, 9 insertions, 0 deletions

diff --git a/src/kernel/proc.c b/src/kernel/proc.c
index 9c7e390..b165878 100644
--- a/src/kernel/proc.c
+++ b/src/kernel/proc.c
@@ -1,6 +1,7 @@
 #include <kernel/arch/generic.h>
 #include <kernel/mem.h>
 #include <kernel/proc.h>
+#include <kernel/util.h>
 #include <stdint.h>
 
 struct process *process_current;
@@ -23,6 +24,14 @@ struct process *process_new() {
 	return proc;
 }
 
+struct process *process_clone(const struct process *orig) {
+	struct process *clone = page_alloc(1);
+	memcpy(clone, orig, sizeof(struct process));
+	clone->pages = pagedir_copy(orig->pages);
+
+	return clone;
+}
+
 void process_switch(struct process *proc) {
 	process_current = proc;
 	pagedir_switch(proc->pages);