--- parser3/src/main/pa_os.C	2013/07/23 21:32:18	1.14
+++ parser3/src/main/pa_os.C	2016/11/30 17:01:01	1.16
@@ -1,14 +1,14 @@
 /** @file
 	Parser: commonly functions.
 
-	Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
+	Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
 	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 */
 
 #include "pa_config_includes.h"
 #include "pa_os.h"
 
-volatile const char * IDENT_PA_OS_C="$Id: pa_os.C,v 1.14 2013/07/23 21:32:18 moko Exp $" IDENT_PA_OS_H; 
+volatile const char * IDENT_PA_OS_C="$Id: pa_os.C,v 1.16 2016/11/30 17:01:01 moko Exp $" IDENT_PA_OS_H; 
 
 #ifdef _MSC_VER
 #include <windows.h>
@@ -57,10 +57,10 @@ volatile const char * IDENT_PA_OS_C="$Id
 int pa_lock(int fd, int attempts, int operation){
 	while(true){
 		FLOCK(operation);
-		attempts--;
-		if(status==0 || attempts<=0){
-			return status;
-		}
+		if(status==0)
+			return 0;
+		if(--attempts<=0)
+			return errno;
 		pa_sleep(PA_LOCK_WAIT_TIMEOUT_SECS, PA_LOCK_WAIT_TIMEOUT_USECS);
 	}
 };