From 55425f72ff913eb72f5ba5f5d422b905d87577d0 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Sat, 4 May 2024 21:52:20 -0400
Subject: [PATCH] wayland/display: Fix mmap use

> From version 7 onwards, the fd must be mapped with MAP_PRIVATE by the recipient, as MAP_SHARED may fail.

 - https://wayland.freedesktop.org/docs/html/apa.html#protocol-spec-wl_keyboard

Signed-off-by: Samuel Dionne-Riel <samuel@dionne-riel.com>
---
 source/wayland/display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/wayland/display.c b/source/wayland/display.c
index ce7e7f9a9..e8c590424 100644
--- a/source/wayland/display.c
+++ b/source/wayland/display.c
@@ -347,7 +347,7 @@ static void wayland_keyboard_keymap(void *data, struct wl_keyboard *keyboard,
     return;
   }
 
-  char *str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
+  char *str = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
   if (str == MAP_FAILED) {
     close(fd);
     return;