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Make FcDefaultFini() threadsafe

This commit is contained in:
Behdad Esfahbod 2012-10-07 16:26:53 -04:00
parent 7019896c99
commit 32b0d88923
1 changed files with 12 additions and 7 deletions
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19
src/fcdefault.c
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@ -107,14 +107,19 @@ retry:
void void
FcDefaultFini (void) FcDefaultFini (void)
{ {
if (default_lang) { FcChar8 *lang;
free (default_lang); FcStrSet *langs;
default_lang = NULL;
lang = fc_atomic_ptr_get (&default_lang);
if (lang && fc_atomic_ptr_cmpexch (&default_lang, lang, NULL)) {
free (lang);
} }
if (default_langs) {
FcRefInit (&default_langs->ref, 1); langs = fc_atomic_ptr_get (&default_langs);
FcStrSetDestroy (default_langs); if (langs && fc_atomic_ptr_cmpexch (&default_langs, langs, NULL)) {
default_langs = NULL; FcRefInit (&langs->ref, 1);
FcStrSetDestroy (langs);
langs = NULL;
} }
} }