From cca53bc19952feb02fb01207f636bd66d5f2c8d2 Mon Sep 17 00:00:00 2001
From: Omar Rizwan <omar.rizwan@gmail.com>
Date: Mon, 25 Feb 2019 19:57:07 -0800
Subject: fs: Some comments.

---
 fs/common.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'fs/common.c')

diff --git a/fs/common.c b/fs/common.c
index 7281147..c2bf3dd 100644
--- a/fs/common.c
+++ b/fs/common.c
@@ -16,6 +16,10 @@ void common_init() {
     if (pipe(ws_to_tabfs)) exit(1);
 }
 
+// FIXME: we probably need memory fences here?? especially on
+// non-x86?? idk
+// see https://stackoverflow.com/questions/35837539/does-the-use-of-an-anonymous-pipe-introduce-a-memory-barrier-for-interthread-com
+
 void common_send_tabfs_to_ws(char *request_data) {
     write(tabfs_to_ws[1], &request_data, sizeof(request_data));
 }
-- 
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