diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-icu.cc')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-icu.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-icu.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-icu.cc index 552eaeca51e..c52e165bac9 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-icu.cc +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-icu.cc @@ -351,7 +351,12 @@ static hb_unicode_funcs_t *static_icu_funcs = nullptr; static void free_static_icu_funcs (void) { - hb_unicode_funcs_destroy (static_icu_funcs); +retry: + hb_unicode_funcs_t *icu_funcs = (hb_unicode_funcs_t *) hb_atomic_ptr_get (&static_icu_funcs); + if (!hb_atomic_ptr_cmpexch (&static_icu_funcs, icu_funcs, nullptr)) + goto retry; + + hb_unicode_funcs_destroy (icu_funcs); } #endif |