diff --git a/uppsrc/Skylark/App.cpp b/uppsrc/Skylark/App.cpp
index 30d28e4dc..4b846fc2b 100644
--- a/uppsrc/Skylark/App.cpp
+++ b/uppsrc/Skylark/App.cpp
@@ -118,6 +118,10 @@ void SkylarkApp::Signal(int signal)
 		Broadcast(signal);
 		exit(0);
 		break;
+	case SIGUSR1:
+		Broadcast(signal);
+		SigUsr1();
+		break;
 	case SIGALRM:
 		if(getpid() != TheApp().main_pid) {
 			// "Timeout - session stoped"
@@ -239,6 +243,9 @@ void SkylarkApp::Run()
 	SKYLARKLOG("ExitSkylark");
 }
 
+void SkylarkApp::SigUsr1()
+{
+}
 
 void SkylarkApp::SqlError(Http& http)
 {
diff --git a/uppsrc/Skylark/Skylark.h b/uppsrc/Skylark/Skylark.h
index f46c11d4b..10e301a83 100644
--- a/uppsrc/Skylark/Skylark.h
+++ b/uppsrc/Skylark/Skylark.h
@@ -1,99 +1,101 @@
-#ifndef _Skylark_Skylark_h
-#define _Skylark_Skylark_h
-
-#include <Sql/Sql.h>
-
-namespace Upp {
-	
-namespace Ini {
-extern IniBool skylark_log;
-};
-
-String GetThreadName();
-
-#define SKYLARKLOG(x) LOG_(Ini::skylark_log, GetThreadName() << ' ' << x)
-
-class Renderer;
-class Http;
-
-struct SkylarkSessionConfig {
-	String cookie;
-	String dir;
-	int    format;
-	SqlId  table, id_column, data_column, lastwrite_column;
-	int    expire;
-	
-	SkylarkSessionConfig();
-};
-
-struct AuthExc : Exc {
-	AuthExc(const String& s) : Exc(s) {}
-};
-
-struct BadRequestExc : Exc {};
-
-struct SkylarkConfig {
-	String                    root;
-	VectorMap<String, String> view_var;
-	String                    path;
-	String                    static_dir;
-	SkylarkSessionConfig      session;
-	int                       threads;
-	int                       port;
-	int                       prefork;
-	int                       timeout;
-	bool                      use_caching;
-};
-
-class SkylarkApp : protected SkylarkConfig {
-	TcpSocket    server;
-	Mutex        accept_mutex;
-	int          main_pid;
-	Vector<int>  child_pid;
-	bool         quit;
-	
-
-	void         ThreadRun();
-	void         Broadcast(int signal);
-	void         Signal(int signal);
-	static void  SignalHandler(int signal);
-	void         Main();
-
-	void         FinalizeViews();
-
-	static SkylarkApp *app;
-
-#ifdef PLATFORM_WIN32
-	static BOOL WINAPI CtrlCHandlerRoutine(__in  DWORD dwCtrlType);
-#endif
-
-	typedef SkylarkApp CLASSNAME;
-	
-	friend class Http;
-
-public:
-	virtual void SqlError(Http& http);
-	virtual void InternalError(Http& http);
-	virtual void NotFound(Http& http);
-	virtual void Unauthorized(Http& http);
-	virtual void BadRequest(Http& http);
-
-	virtual void WorkThread();
-	
-	void RunThread();
-
-	void Run();
-	
-	static SkylarkApp& TheApp();
-	static const SkylarkConfig& Config();
-
-	SkylarkApp();
-	virtual ~SkylarkApp();
-};
-
-#include "Witz.h"
-#include "Http.h"
-
-};
-
-#endif
+#ifndef _Skylark_Skylark_h
+#define _Skylark_Skylark_h
+
+#include <Sql/Sql.h>
+
+namespace Upp {
+	
+namespace Ini {
+extern IniBool skylark_log;
+};
+
+String GetThreadName();
+
+#define SKYLARKLOG(x) LOG_(Ini::skylark_log, GetThreadName() << ' ' << x)
+
+class Renderer;
+class Http;
+
+struct SkylarkSessionConfig {
+	String cookie;
+	String dir;
+	int    format;
+	SqlId  table, id_column, data_column, lastwrite_column;
+	int    expire;
+	
+	SkylarkSessionConfig();
+};
+
+struct AuthExc : Exc {
+	AuthExc(const String& s) : Exc(s) {}
+};
+
+struct BadRequestExc : Exc {};
+
+struct SkylarkConfig {
+	String                    root;
+	VectorMap<String, String> view_var;
+	String                    path;
+	String                    static_dir;
+	SkylarkSessionConfig      session;
+	int                       threads;
+	int                       port;
+	int                       prefork;
+	int                       timeout;
+	bool                      use_caching;
+};
+
+class SkylarkApp : protected SkylarkConfig {
+	TcpSocket    server;
+	Mutex        accept_mutex;
+	int          main_pid;
+	Vector<int>  child_pid;
+	bool         quit;
+	
+
+	void         ThreadRun();
+	void         Broadcast(int signal);
+	void         Signal(int signal);
+	static void  SignalHandler(int signal);
+	void         Main();
+
+	void         FinalizeViews();
+
+	static SkylarkApp *app;
+
+#ifdef PLATFORM_WIN32
+	static BOOL WINAPI CtrlCHandlerRoutine(__in  DWORD dwCtrlType);
+#endif
+
+	typedef SkylarkApp CLASSNAME;
+	
+	friend class Http;
+
+public:
+	virtual void SigUsr1();
+	
+	virtual void SqlError(Http& http);
+	virtual void InternalError(Http& http);
+	virtual void NotFound(Http& http);
+	virtual void Unauthorized(Http& http);
+	virtual void BadRequest(Http& http);
+
+	virtual void WorkThread();
+	
+	void RunThread();
+
+	void Run();
+	
+	static SkylarkApp& TheApp();
+	static const SkylarkConfig& Config();
+
+	SkylarkApp();
+	virtual ~SkylarkApp();
+};
+
+#include "Witz.h"
+#include "Http.h"
+
+};
+
+#endif
diff --git a/uppsrc/Skylark/src.tpp/SkylarkApp$en-us.tpp b/uppsrc/Skylark/src.tpp/SkylarkApp$en-us.tpp
index dfbd3eda2..de3cb97e0 100644
--- a/uppsrc/Skylark/src.tpp/SkylarkApp$en-us.tpp
+++ b/uppsrc/Skylark/src.tpp/SkylarkApp$en-us.tpp
@@ -20,12 +20,17 @@ and changing Skylark configuration, which should be only done
 in SkylarkApp constructor.&]
 [s0;i448;a25;kKO9;:noref:@(0.0.255)%- &]
 [ {{10000F(128)G(128)@1 [s0; [* Public Method List]]}}&]
+[s3; &]
+[s5;:SkylarkApp`:`:SigUsr1`(`):%- [@(0.0.255) virtual] [@(0.0.255) void]_[* SigUsr1]()&]
+[s2; Invoked when application recieves SIGUSR1 signal. Default implementation 
+is empty&]
 [s3;%- &]
+[s4;%- &]
 [s5;:SkylarkApp`:`:SqlError`(Http`&`):%- [@(0.0.255) virtual] [@(0.0.255) void]_[* SqlError
 ]([_^Http^ Http][@(0.0.255) `&]_[*@3 http])&]
 [s2; Overriding this method can change the response in case that 
 there was SQL error in handler.&]
-[s3; &]
+[s3;%- &]
 [s4; &]
 [s5;:SkylarkApp`:`:InternalError`(Http`&`):%- [@(0.0.255) virtual] 
 [@(0.0.255) void]_[* InternalError]([_^Http^ Http][@(0.0.255) `&]_[*@3 http])&]