Differential D28796 Diff 84572 lib/libc/locale/xlocale.c

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lib/libc/locale/xlocale.c

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	extern struct xlocale_component __xlocale_global_messages;			extern struct xlocale_component __xlocale_global_messages;
	/*			/*
	* And another version for the statically-allocated C locale. We only have			* And another version for the statically-allocated C locale. We only have
	* components for the parts that are expected to be sensible.			* components for the parts that are expected to be sensible.
	*/			*/
	extern struct xlocale_component __xlocale_C_collate;			extern struct xlocale_component __xlocale_C_collate;
	extern struct xlocale_component __xlocale_C_ctype;			extern struct xlocale_component __xlocale_C_ctype;

	#ifndef __NO_TLS
	/*			/*
	* The locale for this thread.			* The locale for this thread.
	*/			*/
	_Thread_local locale_t __thread_locale;			_Thread_local locale_t __thread_locale;
	#endif
	/*			/*
	* Flag indicating that one or more per-thread locales exist.			* Flag indicating that one or more per-thread locales exist.
	*/			*/
	int __has_thread_locale;			int __has_thread_locale;
	/*			/*
	* Private functions in setlocale.c.			* Private functions in setlocale.c.
	*/			*/
	const char *			const char *
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	{			{

	_once(&once_control, init_key);			_once(&once_control, init_key);

	return (fake_tls ? thread_local_locale :			return (fake_tls ? thread_local_locale :
	pthread_getspecific(locale_info_key));			pthread_getspecific(locale_info_key));
	}			}

	#ifdef __NO_TLS
	locale_t
	__get_locale(void)
	{
	locale_t l = get_thread_locale();
	return (l ? l : &__xlocale_global_locale);

	}
	#endif

	static void			static void
	set_thread_locale(locale_t loc)			set_thread_locale(locale_t loc)
	{			{
	locale_t l = (loc == LC_GLOBAL_LOCALE) ? 0 : loc;			locale_t l = (loc == LC_GLOBAL_LOCALE) ? 0 : loc;

	_once(&once_control, init_key);			_once(&once_control, init_key);

	if (NULL != l) {			if (NULL != l) {
	xlocale_retain((struct xlocale_refcounted*)l);			xlocale_retain((struct xlocale_refcounted*)l);
	}			}
	locale_t old = get_thread_locale();			locale_t old = get_thread_locale();
	if ((NULL != old) && (l != old)) {			if ((NULL != old) && (l != old)) {
	xlocale_release((struct xlocale_refcounted*)old);			xlocale_release((struct xlocale_refcounted*)old);
	}			}
	if (fake_tls) {			if (fake_tls) {
	thread_local_locale = l;			thread_local_locale = l;
	} else {			} else {
	pthread_setspecific(locale_info_key, l);			pthread_setspecific(locale_info_key, l);
	}			}
	#ifndef __NO_TLS
	__thread_locale = l;			__thread_locale = l;
	__set_thread_rune_locale(loc);			__set_thread_rune_locale(loc);
	#endif
	}			}

	/**			/**
	* Clean up a locale, once its reference count reaches zero. This function is			* Clean up a locale, once its reference count reaches zero. This function is
	* called by xlocale_release(), it should not be called directly.			* called by xlocale_release(), it should not be called directly.
	*/			*/
	static void			static void
	destruct_locale(void *l)			destruct_locale(void *l)
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