From 8ea2d5b6589b8f6164a988ea1431f1b04270f3ea Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@cloudef.pw>
Date: Fri, 28 Jun 2024 11:51:27 +0900
Subject: [PATCH] aio: clarify self.ops difference in fallback

In io_uring, we have to keep track of the pending operations that have
not yet been completed, but in Fallback that's not the case.
---
 src/aio/Fallback.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/aio/Fallback.zig b/src/aio/Fallback.zig
index 78cc231..190ba12 100644
--- a/src/aio/Fallback.zig
+++ b/src/aio/Fallback.zig
@@ -324,6 +324,7 @@ fn start(self: *@This(), id: u16) !void {
 }
 
 fn submit(self: *@This()) !bool {
+    // unlike io_uring, this is not only submitted ops, but also pending ops
     if (self.ops.empty()) return false;
     defer self.prev_id = null;
     self.pfd.add(.{ .fd = self.source.fd, .events = std.posix.POLL.IN, .revents = 0 }) catch unreachable;