4 files changed, 50 insertions, 9 deletions

diff --git a/src/network/socket/qnativesocketengine_unix.cpp b/src/network/socket/qnativesocketengine_unix.cpp
index 9a2c349..354c944 100644
--- a/src/network/socket/qnativesocketengine_unix.cpp
+++ b/src/network/socket/qnativesocketengine_unix.cpp
@@ -601,10 +601,15 @@ bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const
     // Peek 0 bytes into the next message. The size of the message may
     // well be 0, so we can't check recvfrom's return value.
     ssize_t readBytes;
+#ifdef Q_OS_SYMBIAN
+    char c;
+    readBytes = ::recvfrom(socketDescriptor, &c, 1, MSG_PEEK, &storage.a, &storageSize);
+#else
     do {
         char c;
         readBytes = ::recvfrom(socketDescriptor, &c, 1, MSG_PEEK, &storage.a, &storageSize);
     } while (readBytes == -1 && errno == EINTR);
+#endif
 
     // If there's no error, or if our buffer was too small, there must be a
     // pending datagram.
@@ -661,11 +666,17 @@ qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxS
     sz = sizeof(aa);
 
     ssize_t recvFromResult = 0;
+#ifdef Q_OS_SYMBIAN
+    char c;
+    recvFromResult = ::recvfrom(socketDescriptor, maxSize ? data : &c, maxSize ? maxSize : 1,
+                                0, &aa.a, &sz);
+#else
     do {
         char c;
         recvFromResult = ::recvfrom(socketDescriptor, maxSize ? data : &c, maxSize ? maxSize : 1,
                                     0, &aa.a, &sz);
     } while (recvFromResult == -1 && errno == EINTR);
+#endif
 
     if (recvFromResult == -1) {
         setError(QAbstractSocket::NetworkError, ReceiveDatagramErrorString);
@@ -832,17 +843,17 @@ qint64 QNativeSocketEnginePrivate::nativeWrite(const char *data, qint64 len)
     // ignore the SIGPIPE signal
     qt_ignore_sigpipe();
 
-    // loop while ::write() returns -1 and errno == EINTR, in case
-    // of an interrupting signal.
     ssize_t writtenBytes;
-    do {
 #ifdef Q_OS_SYMBIAN
-	    writtenBytes = ::write(socketDescriptor, data, len);
+    // Symbian does not support signals natively and Open C returns EINTR when moving to offline
+    writtenBytes = ::write(socketDescriptor, data, len);
 #else
+    // loop while ::write() returns -1 and errno == EINTR, in case
+    // of an interrupting signal.
+    do {
         writtenBytes = qt_safe_write(socketDescriptor, data, len);
-#endif
-        // writtenBytes = QT_WRITE(socketDescriptor, data, len); ### TODO S60: Should this line be removed or the one above it?
     } while (writtenBytes < 0 && errno == EINTR);
+#endif
 
     if (writtenBytes < 0) {
         switch (errno) {
@@ -882,13 +893,13 @@ qint64 QNativeSocketEnginePrivate::nativeRead(char *data, qint64 maxSize)
     }
 
     ssize_t r = 0;
-    do {
 #ifdef Q_OS_SYMBIAN
-        r = ::read(socketDescriptor, data, maxSize);
+    r = ::read(socketDescriptor, data, maxSize);
 #else
+    do {
         r = qt_safe_read(socketDescriptor, data, maxSize);
-#endif
     } while (r == -1 && errno == EINTR);
+#endif
 
     if (r < 0) {
         r = -1;
diff --git a/src/network/socket/qtcpserver.cpp b/src/network/socket/qtcpserver.cpp
index 404eee7..932126d 100644
--- a/src/network/socket/qtcpserver.cpp
+++ b/src/network/socket/qtcpserver.cpp
@@ -79,6 +79,16 @@
     use waitForNewConnection(), which blocks until either a
     connection is available or a timeout expires.
 
+    \section1 Symbian Platform Security Requirements
+
+    On Symbian, processes which use this class must have the
+    \c NetworkServices platform security capability. If the client
+    process lacks this capability, it will lead to a panic.
+
+    Platform security capabilities are added via the
+    \l{qmake-variable-reference.html#target-capability}{TARGET.CAPABILITY}
+    qmake variable.
+
     \sa QTcpSocket, {Fortune Server Example}, {Threaded Fortune Server Example},
         {Loopback Example}, {Torrent Example}
 */
diff --git a/src/network/socket/qtcpsocket.cpp b/src/network/socket/qtcpsocket.cpp
index b1c7c1c..70852a5 100644
--- a/src/network/socket/qtcpsocket.cpp
+++ b/src/network/socket/qtcpsocket.cpp
@@ -60,6 +60,16 @@
 
     \bold{Note:} TCP sockets cannot be opened in QIODevice::Unbuffered mode.
 
+    \section1 Symbian Platform Security Requirements
+
+    On Symbian, processes which use this class must have the
+    \c NetworkServices platform security capability. If the client
+    process lacks this capability, it will result in a panic.
+
+    Platform security capabilities are added via the
+    \l{qmake-variable-reference.html#target-capability}{TARGET.CAPABILITY}
+    qmake variable.
+
     \sa QTcpServer, QUdpSocket, QFtp, QNetworkAccessManager,
     {Fortune Server Example}, {Fortune Client Example},
     {Threaded Fortune Server Example}, {Blocking Fortune Client Example},
diff --git a/src/network/socket/qudpsocket.cpp b/src/network/socket/qudpsocket.cpp
index e208904..d5366d3 100644
--- a/src/network/socket/qudpsocket.cpp
+++ b/src/network/socket/qudpsocket.cpp
@@ -86,6 +86,16 @@
     \l{network/broadcastreceiver}{Broadcast Receiver} examples
     illustrate how to use QUdpSocket in applications.
 
+    \section1 Symbian Platform Security Requirements
+
+    On Symbian, processes which use this class must have the
+    \c NetworkServices platform security capability. If the client
+    process lacks this capability, operations will result in a panic.
+
+    Platform security capabilities are added via the
+    \l{qmake-variable-reference.html#target-capability}{TARGET.CAPABILITY}
+    qmake variable.
+
     \sa QTcpSocket
 */