src/nonstd/__libc_per_thread.c


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#include "nonstd/internal.h"
#include "locale.h"
#include "nonstd/locale.h"

#if defined __STDC_VERSION__ && 201112L <= __STDC_VERSION__ && !defined __STDC_NO_THREADS__
#define THREAD_LOCAL static _Thread_local
#else
#define THREAD_LOCAL static
#endif

void *__libc_per_thread(LIBC_INTERNAL variable)
{
	THREAD_LOCAL int errno;
	THREAD_LOCAL struct __locale_t *locale;

	switch (variable) {
	case ERRNO:
		return &errno;

	case THREAD_LOCALE:
		return &locale;

	default:
		break;
	}

	return (void*)0;
}