From 7bf9f6a37779a86aa33fb4f6c49a863fa37ccf36 Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <Patrick.Pelissier@gmail.com>
Date: Tue, 26 Mar 2024 22:47:13 +0100
Subject: [PATCH] Update comments

---
 m-concurrent.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/m-concurrent.h b/m-concurrent.h
index ceb1b56b..3568e972 100644
--- a/m-concurrent.h
+++ b/m-concurrent.h
@@ -816,6 +816,7 @@
     struct M_F(name, _s) *self = out->self;                                   \
     while (true) {                                                            \
       unsigned int num = atomic_load(&self->num_reader);                      \
+      /* FIXME: this lock is unfair for writers as readers may starve then */ \
       if (num != 0                                                            \
          && atomic_compare_exchange_strong(&self->num_reader, &num, num+1)) { \
           break;                                                              \