diff options
| author | misos1 <michal@sudolsky.com> | 2022-07-31 23:33:16 +0000 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2022-07-31 23:33:16 +0000 |
| commit | 0b110cfc4a1734bfbb6e2084140eefd00db89157 (patch) | |
| tree | f9f0e18138d53e728ac5c61e190d5a100bf3fd90 | |
| parent | a05c3549709b92294194c335cb7d5190f14359bf (diff) | |
| download | pango-0b110cfc4a1734bfbb6e2084140eefd00db89157.tar.gz | |
fix thread safety problem
| -rw-r--r-- | pango/shape.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/pango/shape.c b/pango/shape.c index 30bceb80..1ad1f494 100644 --- a/pango/shape.c +++ b/pango/shape.c @@ -240,16 +240,17 @@ pango_font_get_hb_font_for_context (PangoFont *font, hb_font = pango_font_get_hb_font (font); - if (G_UNLIKELY (!funcs)) + if (G_UNLIKELY (g_once_init_enter (&funcs))) { - funcs = hb_font_funcs_create (); + hb_font_funcs_t *f = hb_font_funcs_create (); - hb_font_funcs_set_nominal_glyph_func (funcs, pango_hb_font_get_nominal_glyph, NULL, NULL); - hb_font_funcs_set_glyph_h_advance_func (funcs, pango_hb_font_get_glyph_h_advance, NULL, NULL); - hb_font_funcs_set_glyph_v_advance_func (funcs, pango_hb_font_get_glyph_v_advance, NULL, NULL); - hb_font_funcs_set_glyph_extents_func (funcs, pango_hb_font_get_glyph_extents, NULL, NULL); + hb_font_funcs_set_nominal_glyph_func (f, pango_hb_font_get_nominal_glyph, NULL, NULL); + hb_font_funcs_set_glyph_h_advance_func (f, pango_hb_font_get_glyph_h_advance, NULL, NULL); + hb_font_funcs_set_glyph_v_advance_func (f, pango_hb_font_get_glyph_v_advance, NULL, NULL); + hb_font_funcs_set_glyph_extents_func (f, pango_hb_font_get_glyph_extents, NULL, NULL); - hb_font_funcs_make_immutable (funcs); + hb_font_funcs_make_immutable (f); + g_once_init_leave (&funcs, f); } context->font = font; |