+
+/************************** Thread-local Storage ****************************/
+
+#ifdef SILC_THREADS
+
+static DWORD silc_tls;
+SilcBool silc_tls_set = FALSE;
+
+SilcTls silc_thread_tls_init(void)
+{
+ SilcTls tls;
+
+ if (!silc_tls_set) {
+ silc_tls = TlsAlloc();
+ if (silc_tls == TLS_OUT_OF_INDEXES) {
+ SILC_LOG_ERROR(("Error creating Thread-local storage"));
+ return NULL;
+ }
+
+ silc_tls_set = TRUE;
+ }
+
+ if (silc_thread_get_tls())
+ return silc_thread_get_tls();
+
+ /* Allocate Tls for the thread */
+ tls = silc_calloc(1, sizeof(*tls));
+ if (!tls) {
+ SILC_LOG_ERROR(("Error allocating Thread-local storage"));
+ return NULL;
+ }
+
+ TlsSetValue(silc_tls, tls);
+ return tls;
+}
+
+SilcTls silc_thread_get_tls(void)
+{
+ return (SilcTls)TlsGetValue(silc_tls);
+}
+
+#else
+
+SilcTlsStruct tls;
+SilcTls tls_ptr = NULL;
+
+SilcTls silc_thread_tls_init(void)
+{
+ if (silc_thread_get_tls())
+ return silc_thread_get_tls();
+
+ tls_ptr = &tls;
+ memset(tls_ptr, 0, sizeof(*tls_ptr));
+ return tls_ptr;
+}
+
+SilcTls silc_thread_get_tls(void)
+{
+ return tls_ptr;
+}
+
+#endif /* SILC_THREADS */