Move signal hack to BNetworkRequest

* This is used to unlock sockets when a read is pending after a close
* It is not needed on requests that don't use a socket.

headers/os/net/NetworkRequest.h

@@ -22,9 +22,13 @@ public:
 									BUrlContext* context,
 									const char* threadName,
 									const char* protocolName);
+
+	virtual	status_t			Stop();
+
 protected:
 			bool 				_ResolveHostName(uint16_t port);
 
+			void				_ProtocolSetup();
 			status_t			_GetLine(BString& destString);
 
 protected:

headers/os/net/UrlRequest.h

@@ -48,6 +48,7 @@ public:
 
 protected:
 	static	int32					_ThreadEntry(void* arg);
+	virtual	void					_ProtocolSetup() {};
 	virtual	status_t				_ProtocolLoop() = 0;
 	virtual void					_EmitDebug(BUrlProtocolDebugMessage type,
 										const char* format, ...);

src/kits/network/libnetapi/GopherRequest.cpp

@@ -219,7 +219,7 @@ BGopherRequest::Stop()
 		fSocket->Disconnect();
 			// Unlock any pending connect, read or write operation.
 	}
-	return BUrlRequest::Stop();
+	return BNetworkRequest::Stop();
 }
 
 

src/kits/network/libnetapi/HttpRequest.cpp

@@ -278,7 +278,7 @@ BHttpRequest::Stop()
 		fSocket->Disconnect();
 			// Unlock any pending connect, read or write operation.
 	}
-	return BUrlRequest::Stop();
+	return BNetworkRequest::Stop();
 }
 
 

src/kits/network/libnetapi/NetworkRequest.cpp

@@ -21,6 +21,20 @@ BNetworkRequest::BNetworkRequest(const BUrl& url, BUrlProtocolListener* listener
 }
 
 
+status_t
+BNetworkRequest::Stop()
+{
+	status_t threadStatus = BUrlRequest::Stop();
+
+	if (threadStatus != B_OK)
+		return threadStatus;
+
+	send_signal(fThreadId, SIGUSR1); // unblock blocking syscalls.
+	wait_for_thread(fThreadId, &threadStatus);
+	return threadStatus;
+}
+
+
 bool
 BNetworkRequest::_ResolveHostName(uint16_t port)
 {
@@ -48,6 +62,27 @@ BNetworkRequest::_ResolveHostName(uint16_t port)
 }
 
 
+static void
+empty(int)
+{
+}
+
+
+void
+BNetworkRequest::_ProtocolSetup()
+{
+	// Setup an (empty) signal handler so we can be stopped by a signal,
+	// without the whole process being killed.
+	// TODO make connect() properly unlock when close() is called on the
+	// socket, and remove this.
+	struct sigaction action;
+	action.sa_handler = empty;
+	action.sa_mask = 0;
+	action.sa_flags = 0;
+	sigaction(SIGUSR1, &action, NULL);
+}
+
+
 status_t
 BNetworkRequest::_GetLine(BString& destString)
 {

src/kits/network/libnetapi/UrlRequest.cpp

@@ -87,12 +87,8 @@ BUrlRequest::Stop()
 	if (!fRunning)
 		return B_ERROR;
 
-	status_t threadStatus = B_OK;
 	fQuit = true;
-
-	send_signal(fThreadId, SIGUSR1); // unblock blocking syscalls.
-	wait_for_thread(fThreadId, &threadStatus);
-	return threadStatus;
+	return B_OK;
 }
 
 
@@ -184,27 +180,12 @@ BUrlRequest::Status() const
 // #pragma mark Thread management
 
 
-static void
-empty(int)
-{
-}
-
-
 /*static*/ int32
 BUrlRequest::_ThreadEntry(void* arg)
 {
-	// Setup an (empty) signal handler so we can be stopped by a signal,
-	// without the whole process being killed.
-	// TODO make connect() properly unlock when close() is called on the
-	// socket, and remove this.
-	struct sigaction action;
-	action.sa_handler = empty;
-	action.sa_mask = 0;
-	action.sa_flags = 0;
-	sigaction(SIGUSR1, &action, NULL);
-
 	BUrlRequest* request = reinterpret_cast<BUrlRequest*>(arg);
 	request->fThreadStatus = B_BUSY;
+	request->_ProtocolSetup();
 
 	status_t protocolLoopExitStatus = request->_ProtocolLoop();