kern: proc: Protect mapping list with spinlock

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/sys/include/sys/proc.h b/src/sys/include/sys/proc.h
index c31cc4c..c5b0fda 100644
--- a/src/sys/include/sys/proc.h
+++ b/src/sys/include/sys/proc.h
@@ -36,6 +36,7 @@
 #include <sys/param.h>
 #include <sys/queue.h>
 #include <os/mac.h>
+#include <os/spinlock.h>
 #include <os/filedesc.h>
 #include <vm/vm.h>
 #include <machine/pcb.h>    /* standard */
@@ -66,6 +67,7 @@ struct proc {
     struct syscall_domain scdom;
     struct filedesc *fdtab[FD_MAX];
     mac_level_t level;
+    struct spinlock maplist_lock;
     TAILQ_HEAD(, vm_range) maplist;
     TAILQ_ENTRY(proc) link;
 };