--- parser3/src/include/pa_threads.h	2001/05/17 09:47:17	1.13
+++ parser3/src/include/pa_threads.h	2020/12/10 23:07:04	1.34
@@ -1,28 +1,29 @@
 /** @file
 	Parser: mutex & helpers decls.
 
-	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
-
-	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
-
-	$Id: pa_threads.h,v 1.13 2001/05/17 09:47:17 parser Exp $
+	Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com)
+	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 */
 
 #ifndef PA_THREADS_H
 #define PA_THREADS_H
 
-#include "pa_config_includes.h"
+#define IDENT_PA_THREADS_H "$Id: pa_threads.h,v 1.34 2020/12/10 23:07:04 moko Exp $"
 
+#include "pa_config_includes.h"
 #include "pa_types.h"
 
+/// thread ID type
+typedef unsigned int pa_thread_t;
 
-#ifdef MULTITHREAD
+/// get caller thread ID
+pa_thread_t pa_get_thread_id();
 
 class AutoSYNCHRONIZED;
 
 /// simple semaphore object
 class Mutex {
-	friend AutoSYNCHRONIZED;
+	friend class AutoSYNCHRONIZED;
 private:
 	uint handle;
 public:
@@ -55,12 +56,8 @@ public:
 	@endverbatim
 
 	WARNING: don't use THROW or PTHROW with such thread safety mechanizm -
-	longjump would leave global_mutex acquired, which is wrong!
+	longjmp would leave global_mutex acquired, which is wrong!
 */
-#	define SYNCHRONIZED AutoSYNCHRONIZED autoSYNCHRONIZED()
-#else // not MULTITHREAD-ed
-#	define SYNCHRONIZED /* do nothing */
-#endif
-
+#define SYNCHRONIZED AutoSYNCHRONIZED autoSYNCHRONIZED
 
 #endif