Function tls_calloc

lib_acl/src/stdlib/acl_meter_time.c:53–66

static acl_pthread_once_t once_control = ACL_PTHREAD_ONCE_INIT;
static void *tls_calloc(size_t len)
{
	void *ptr;

	(void) acl_pthread_once(&once_control, once_init);
	ptr = (void*) acl_pthread_getspecific(once_key);
	if (ptr == NULL) {
		ptr = acl_mycalloc(1, len);
		acl_pthread_setspecific(once_key, ptr);
		if ((unsigned long) acl_pthread_self() == acl_main_thread_self())
			__tls = ptr;
	}
	return ptr;
}

typedef struct {
	struct timeval stamp;