kernel: Add sys_close()

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

1 files changed, 10 insertions, 0 deletions

diff --git a/sys/kern/kern_filedesc.c b/sys/kern/kern_filedesc.c
index c429125..6f59508 100644
--- a/sys/kern/kern_filedesc.c
+++ b/sys/kern/kern_filedesc.c
@@ -330,3 +330,13 @@ sys_open(struct syscall_args *args)
     dynfree(pathbuf);
     return ret;
 }
+
+/*
+ * arg0: fd
+ */
+uint64_t
+sys_close(struct syscall_args *args)
+{
+    fd_close_fdnum(this_td(), args->arg0);
+    return 0;
+}