Francois Gouget : win32u: Document the font_lock handling in font_EnumFonts().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a9c03e6d5b4741c204ca8185ce231d80dbb16d58
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a9c03e6d5b4741c204ca8185ce231d8...

Author: Francois Gouget 
Date:   Fri Jan 20 11:24:25 2023 +0100

win32u: Document the font_lock handling in font_EnumFonts().

Wine-Bug: https://bugs.winehq.org//show_bug.cgi?id=49202

---

dlls/win32u/font.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/win32u/font.c b/dlls/win32u/font.c
index 832ffc0bed0..c3ba1a9a377 100644
--- a/dlls/win32u/font.c
+++ b/dlls/win32u/font.c
@@ -3551,7 +3551,7 @@ static BOOL CDECL font_EnumFonts( PHYSDEV dev, LOGFONTW *lf, FONTENUMPROCW proc,
             {
                 if (!face_matches( family->family_name, face, face_name )) continue;
                 if (!enum_face_charsets( family, face, enum_charsets, count, proc, lparam, orig_name ))
-                    return FALSE;
+                    return FALSE; /* enum_face_charsets() unlocked font_lock */
        }
    }
     }
@@ -3562,7 +3562,7 @@ static BOOL CDECL font_EnumFonts( PHYSDEV dev, LOGFONTW *lf, FONTENUMPROCW proc,
         {
             face = LIST_ENTRY( list_head(get_family_face_list(family)), struct gdi_font_face, entry );
             if (!enum_face_charsets( family, face, enum_charsets, count, proc, lparam, NULL ))
-                return FALSE;
+                return FALSE; /* enum_face_charsets() unlocked font_lock */
    }
     }
     pthread_mutex_unlock( &font_lock );