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 <[email protected]>
lbonn · May 5, 2024 · b04bedc · b04bedc
1 parent 51dec9d
commit b04bedc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;