Index: src/OFApplication.h
==================================================================
--- src/OFApplication.h
+++ src/OFApplication.h
@@ -59,12 +59,15 @@
  *	    signal-safe operations like setting a variable or calling a
  *	    signal-safe function!
  */
 - (void)applicationDidReceiveSIGINT;
 
+#ifndef _WIN32
 /**
  * \brief A method which is called when the application received a SIGHUP.
+ *
+ * This signal is not available on Windows.
  *
  * \warning You are not allowed to send any messages inside this method, as
  *	    message dispatching is not signal-safe! You are only allowed to do
  *	    signal-safe operations like setting a variable or calling a
  *	    signal-safe function!
@@ -71,10 +74,12 @@
  */
 - (void)applicationDidReceiveSIGHUP;
 
 /**
  * \brief A method which is called when the application received a SIGUSR1.
+ *
+ * This signal is not available on Windows.
  *
  * \warning You are not allowed to send any messages inside this method, as
  *	    message dispatching is not signal-safe! You are only allowed to do
  *	    signal-safe operations like setting a variable or calling a
  *	    signal-safe function!
@@ -81,17 +86,20 @@
  */
 - (void)applicationDidReceiveSIGUSR1;
 
 /**
  * \brief A method which is called when the application received a SIGUSR2.
+ *
+ * This signal is not available on Windows.
  *
  * \warning You are not allowed to send any messages inside this method, as
  *	    message dispatching is not signal-safe! You are only allowed to do
  *	    signal-safe operations like setting a variable or calling a
  *	    signal-safe function!
  */
 - (void)applicationDidReceiveSIGUSR2;
+#endif
 @end
 
 /**
  * \brief Represents the application as an object.
  */
@@ -103,13 +111,15 @@
 	int *argc;
 	char ***argv;
 @public
 	id <OFApplicationDelegate> delegate;
 	void (*SIGINTHandler)(id, SEL);
+#ifndef _WIN32
 	void (*SIGHUPHandler)(id, SEL);
 	void (*SIGUSR1Handler)(id, SEL);
 	void (*SIGUSR2Handler)(id, SEL);
+#endif
 }
 
 #ifdef OF_HAVE_PROPERTIES
 @property (readonly, assign) OFString *programName;
 @property (readonly, assign) OFArray *arguments;

Index: src/OFApplication.m
==================================================================
--- src/OFApplication.m
+++ src/OFApplication.m
@@ -19,13 +19,11 @@
 #define OF_APPLICATION_M
 
 #include <stdlib.h>
 #include <string.h>
 
-#ifndef _WIN32
-# include <signal.h>
-#endif
+#include <signal.h>
 
 #import "OFApplication.h"
 #import "OFString.h"
 #import "OFArray.h"
 #import "OFDictionary.h"
@@ -57,13 +55,15 @@
 	{							\
 		app->sig##Handler(app->delegate,		\
 		    @selector(applicationDidReceive##sig));	\
 	}
 SIGNAL_HANDLER(SIGINT)
+#ifndef _WIN32
 SIGNAL_HANDLER(SIGHUP)
 SIGNAL_HANDLER(SIGUSR1)
 SIGNAL_HANDLER(SIGUSR2)
+#endif
 #undef SIGNAL_HANDLER
 
 int
 of_application_main(int *argc, char **argv[], Class cls)
 {
@@ -262,13 +262,15 @@
 	    @selector(applicationDidReceive##sig)])			  \
 		signal(sig, handle##sig);				  \
 	else								  \
 		signal(sig, SIG_DFL);
 	REGISTER_SIGNAL(SIGINT)
+#ifndef _WIN32
 	REGISTER_SIGNAL(SIGHUP)
 	REGISTER_SIGNAL(SIGUSR1)
 	REGISTER_SIGNAL(SIGUSR2)
+#endif
 #undef REGISTER_SIGNAL
 }
 
 - (void)run
 {