send wxEVT_MENU_CLOSE at least sometimes

[wxWidgets.git] / src / unix / gsocket.cpp

diff --git a/src/unix/gsocket.cpp b/src/unix/gsocket.cpp
index 862e94c98992c17add9abbcd1eb99e65af50dd41..b4294370c14042e16660dd27e53b526a10231a41 100644 (file)
--- a/src/unix/gsocket.cpp
+++ b/src/unix/gsocket.cpp
@@ -12,10 +12,6 @@
  * -------------------------------------------------------------------------
  */
 
  * -------------------------------------------------------------------------
  */
 

-/*
- * PLEASE don't put C++ comments here - this is a C source file.
- */
-

 #if defined(__WATCOMC__)
 #include "wx/wxprec.h"
 #include <errno.h>
 #if defined(__WATCOMC__)
 #include "wx/wxprec.h"
 #include <errno.h>


@@ -27,7 +23,7 @@
 #endif
 
 #if defined(__VISAGECPP__)
 #endif
 
 #if defined(__VISAGECPP__)

-#define BSD_SELECT /* use Berkley Sockets select */
+#define BSD_SELECT /* use Berkeley Sockets select */

 #endif
 
 #if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
 #endif
 
 #if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)


@@ -183,6 +179,7 @@ int _System soclose(int);
 
 #ifndef __GSOCKET_STANDALONE__
 #  include "wx/unix/gsockunx.h"
 
 #ifndef __GSOCKET_STANDALONE__
 #  include "wx/unix/gsockunx.h"

+#  include "wx/unix/private.h"

 #  include "wx/gsocket.h"
 #else
 #  include "gsockunx.h"
 #  include "wx/gsocket.h"
 #else
 #  include "gsockunx.h"


@@ -331,6 +328,9 @@ void GSocket::Shutdown()
 
   assert(this);
 
 
   assert(this);
 

+  /* Don't allow events to fire after socket has been closed */
+  gs_gui_functions->Disable_Events(this);
+

   /* If socket has been created, shutdown it */
   if (m_fd != INVALID_SOCKET)
   {
   /* If socket has been created, shutdown it */
   if (m_fd != INVALID_SOCKET)
   {


@@ -613,6 +613,7 @@ GSocket *GSocket::WaitConnection()
     m_error = GSOCK_MEMERR;
     return NULL;
   }
     m_error = GSOCK_MEMERR;
     return NULL;
   }

+

   err = _GAddress_translate_from(connection->m_peer, &from, fromlen);
   if (err != GSOCK_NOERROR)
   {
   err = _GAddress_translate_from(connection->m_peer, &from, fromlen);
   if (err != GSOCK_NOERROR)
   {


@@ -620,6 +621,7 @@ GSocket *GSocket::WaitConnection()
     m_error = err;
     return NULL;
   }
     m_error = err;
     return NULL;
   }

+

 #if defined(__EMX__) || defined(__VISAGECPP__)
   ioctl(connection->m_fd, FIONBIO, (char*)&arg, sizeof(arg));
 #else
 #if defined(__EMX__) || defined(__VISAGECPP__)
   ioctl(connection->m_fd, FIONBIO, (char*)&arg, sizeof(arg));
 #else


@@ -633,10 +635,13 @@ GSocket *GSocket::WaitConnection()
 bool GSocket::SetReusable()
 {
     /* socket must not be null, and must not be in use/already bound */
 bool GSocket::SetReusable()
 {
     /* socket must not be null, and must not be in use/already bound */

-    if (this && m_fd == INVALID_SOCKET) {
+    if (this && m_fd == INVALID_SOCKET)
+    {

         m_reusable = true;
         m_reusable = true;

+

         return true;
     }
         return true;
     }

+

     return false;
 }
 
     return false;
 }
 


@@ -721,12 +726,11 @@ GSocketError GSocket::Connect(GSocketStream stream)
    * non-blocking, it just shouldn't be called prior to knowing there is a
    * connection _if_ blocking sockets are being used.
    * If connect above returns 0, we are already connected and need to make the
    * non-blocking, it just shouldn't be called prior to knowing there is a
    * connection _if_ blocking sockets are being used.
    * If connect above returns 0, we are already connected and need to make the

-   * call to Enable_Events now.  
+   * call to Enable_Events now.
+   */

 
   if (m_non_blocking || ret == 0)
 
   if (m_non_blocking || ret == 0)

-  {

     gs_gui_functions->Enable_Events(this);
     gs_gui_functions->Enable_Events(this);

-  }

 
   if (ret == -1)
   {
 
   if (ret == -1)
   {


@@ -777,6 +781,7 @@ GSocketError GSocket::Connect(GSocketStream stream)
      */
     Close();
     m_error = GSOCK_IOERR;
      */
     Close();
     m_error = GSOCK_IOERR;

+

     return GSOCK_IOERR;
   }
 
     return GSOCK_IOERR;
   }
 


@@ -868,23 +873,33 @@ int GSocket::Read(char *buffer, int size)
   Disable(GSOCK_INPUT);
 
   /* If the socket is blocking, wait for data (with a timeout) */
   Disable(GSOCK_INPUT);
 
   /* If the socket is blocking, wait for data (with a timeout) */

-  if (Input_Timeout() == GSOCK_TIMEDOUT)
-    /* We no longer return here immediately, otherwise socket events would not be re-enabled! */
+  if (Input_Timeout() == GSOCK_TIMEDOUT) {
+    m_error = GSOCK_TIMEDOUT;
+    /* Don't return here immediately, otherwise socket events would not be
+     * re-enabled! */

     ret = -1;
     ret = -1;

-  else {
+  }
+  else
+  {

     /* Read the data */
     if (m_stream)
       ret = Recv_Stream(buffer, size);
     else
       ret = Recv_Dgram(buffer, size);
     /* Read the data */
     if (m_stream)
       ret = Recv_Stream(buffer, size);
     else
       ret = Recv_Dgram(buffer, size);

-  }

 
 

-  if (ret == -1)
-  {
-    if ((errno == EWOULDBLOCK) || (errno == EAGAIN))
-      m_error = GSOCK_WOULDBLOCK;
-    else
+    /* If recv returned zero, then the connection is lost, and errno is not set.
+     * Otherwise, recv has returned an error (-1), in which case we have lost the
+     * socket only if errno does _not_ indicate that there may be more data to read.
+     */
+    if (ret == 0)

       m_error = GSOCK_IOERR;
       m_error = GSOCK_IOERR;

+    else if (ret == -1)
+    {
+      if ((errno == EWOULDBLOCK) || (errno == EAGAIN))
+        m_error = GSOCK_WOULDBLOCK;
+      else
+        m_error = GSOCK_IOERR;
+    }

   }
 
   /* Enable events again now that we are done processing */
   }
 
   /* Enable events again now that we are done processing */


@@ -942,6 +957,7 @@ int GSocket::Write(const char *buffer, int size)
      * will further OUTPUT events be posted.
      */
     Enable(GSOCK_OUTPUT);
      * will further OUTPUT events be posted.
      */
     Enable(GSOCK_OUTPUT);

+

     return -1;
   }
 
     return -1;
   }
 


@@ -972,18 +988,18 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags)
 
     if (m_fd == -1)
         return (GSOCK_LOST_FLAG & flags);
 
     if (m_fd == -1)
         return (GSOCK_LOST_FLAG & flags);

-    
+

     /* Do not use a static struct, Linux can garble it */
     tv.tv_sec = m_timeout / 1000;
     tv.tv_usec = (m_timeout % 1000) * 1000;
 
     /* Do not use a static struct, Linux can garble it */
     tv.tv_sec = m_timeout / 1000;
     tv.tv_usec = (m_timeout % 1000) * 1000;
 

-    FD_ZERO(&readfds);
-    FD_ZERO(&writefds);
-    FD_ZERO(&exceptfds);
-    FD_SET(m_fd, &readfds);
+    wxFD_ZERO(&readfds);
+    wxFD_ZERO(&writefds);
+    wxFD_ZERO(&exceptfds);
+    wxFD_SET(m_fd, &readfds);

     if (flags & GSOCK_OUTPUT_FLAG || flags & GSOCK_CONNECTION_FLAG)
     if (flags & GSOCK_OUTPUT_FLAG || flags & GSOCK_CONNECTION_FLAG)

-      FD_SET(m_fd, &writefds);
-    FD_SET(m_fd, &exceptfds);
+      wxFD_SET(m_fd, &writefds);
+    wxFD_SET(m_fd, &exceptfds);

 
     /* Check 'sticky' CONNECTION flag first */
     result |= (GSOCK_CONNECTION_FLAG & m_detected);
 
     /* Check 'sticky' CONNECTION flag first */
     result |= (GSOCK_CONNECTION_FLAG & m_detected);


@@ -1006,7 +1022,7 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags)
     }
 
     /* Check for readability */
     }
 
     /* Check for readability */

-    if (FD_ISSET(m_fd, &readfds))
+    if (wxFD_ISSET(m_fd, &readfds))

     {
       char c;
 
     {
       char c;
 


@@ -1023,7 +1039,12 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags)
           result |= GSOCK_CONNECTION_FLAG;
           m_detected |= GSOCK_CONNECTION_FLAG;
         }
           result |= GSOCK_CONNECTION_FLAG;
           m_detected |= GSOCK_CONNECTION_FLAG;
         }

-        else if ((errno != EWOULDBLOCK) && (errno != EAGAIN) && (errno != EINTR))
+        /* If recv returned zero, then the connection is lost, and errno is not set.
+         * Otherwise, recv has returned an error (-1), in which case we have lost the
+         * socket only if errno does _not_ indicate that there may be more data to read.
+         */
+        else if (num == 0 ||
+                 (errno != EWOULDBLOCK) && (errno != EAGAIN) && (errno != EINTR))

         {
           m_detected = GSOCK_LOST_FLAG;
           m_establishing = false;
         {
           m_detected = GSOCK_LOST_FLAG;
           m_establishing = false;


@@ -1035,7 +1056,7 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags)
     }
 
     /* Check for writability */
     }
 
     /* Check for writability */

-    if (FD_ISSET(m_fd, &writefds))
+    if (wxFD_ISSET(m_fd, &writefds))

     {
       if (m_establishing && !m_server)
       {
     {
       if (m_establishing && !m_server)
       {


@@ -1066,7 +1087,7 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags)
     }
 
     /* Check for exceptions and errors (is this useful in Unices?) */
     }
 
     /* Check for exceptions and errors (is this useful in Unices?) */

-    if (FD_ISSET(m_fd, &exceptfds))
+    if (wxFD_ISSET(m_fd, &exceptfds))

     {
       m_establishing = false;
       m_detected = GSOCK_LOST_FLAG;
     {
       m_establishing = false;
       m_detected = GSOCK_LOST_FLAG;


@@ -1080,10 +1101,8 @@ GSocketEventFlags GSocket::Select(GSocketEventFlags flags)
   }
   else
   {
   }
   else
   {

-

     assert(this);
     return flags & m_detected;
     assert(this);
     return flags & m_detected;

-

   }
 }
 
   }
 }
 


@@ -1196,9 +1215,8 @@ GSocketError GSocket::GetSockOpt(int level, int optname,
                                 void *optval, int *optlen)
 {
     if (getsockopt(m_fd, level, optname, (char*)optval, (SOCKOPTLEN_T*)optlen) == 0)
                                 void *optval, int *optlen)
 {
     if (getsockopt(m_fd, level, optname, (char*)optval, (SOCKOPTLEN_T*)optlen) == 0)

-    {

         return GSOCK_NOERROR;
         return GSOCK_NOERROR;

-    }
+

     return GSOCK_OPTERR;
 }
 
     return GSOCK_OPTERR;
 }
 


@@ -1206,9 +1224,8 @@ GSocketError GSocket::SetSockOpt(int level, int optname,
                                 const void *optval, int optlen)
 {
     if (setsockopt(m_fd, level, optname, (const char*)optval, optlen) == 0)
                                 const void *optval, int optlen)
 {
     if (setsockopt(m_fd, level, optname, (const char*)optval, optlen) == 0)

-    {

         return GSOCK_NOERROR;
         return GSOCK_NOERROR;

-    }
+

     return GSOCK_OPTERR;
 }
 
     return GSOCK_OPTERR;
 }
 


@@ -1247,8 +1264,8 @@ GSocketError GSocket::Input_Timeout()
 
   if (!m_non_blocking)
   {
 
   if (!m_non_blocking)
   {

-    FD_ZERO(&readfds);
-    FD_SET(m_fd, &readfds);
+    wxFD_ZERO(&readfds);
+    wxFD_SET(m_fd, &readfds);

     ret = select(m_fd + 1, &readfds, NULL, NULL, &tv);
     if (ret == 0)
     {
     ret = select(m_fd + 1, &readfds, NULL, NULL, &tv);
     if (ret == 0)
     {


@@ -1256,6 +1273,7 @@ GSocketError GSocket::Input_Timeout()
       m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }
       m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }

+

     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Input_Timeout, select returned -1\n" ));
     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Input_Timeout, select returned -1\n" ));


@@ -1267,6 +1285,7 @@ GSocketError GSocket::Input_Timeout()
       return GSOCK_TIMEDOUT;
     }
   }
       return GSOCK_TIMEDOUT;
     }
   }

+

   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }
 


@@ -1288,8 +1307,8 @@ GSocketError GSocket::Output_Timeout()
 
   if (!m_non_blocking)
   {
 
   if (!m_non_blocking)
   {

-    FD_ZERO(&writefds);
-    FD_SET(m_fd, &writefds);
+    wxFD_ZERO(&writefds);
+    wxFD_SET(m_fd, &writefds);

     ret = select(m_fd + 1, NULL, &writefds, NULL, &tv);
     if (ret == 0)
     {
     ret = select(m_fd + 1, NULL, &writefds, NULL, &tv);
     if (ret == 0)
     {


@@ -1297,6 +1316,7 @@ GSocketError GSocket::Output_Timeout()
       m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }
       m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }

+

     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Output_Timeout, select returned -1\n" ));
     if (ret == -1)
     {
       GSocket_Debug(( "GSocket_Output_Timeout, select returned -1\n" ));


@@ -1307,10 +1327,13 @@ GSocketError GSocket::Output_Timeout()
       m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }
       m_error = GSOCK_TIMEDOUT;
       return GSOCK_TIMEDOUT;
     }

-    if ( ! FD_ISSET(m_fd, &writefds) ) {
+
+    if ( ! wxFD_ISSET(m_fd, &writefds) )
+    {

         GSocket_Debug(( "GSocket_Output_Timeout is buggy!\n" ));
     }
         GSocket_Debug(( "GSocket_Output_Timeout is buggy!\n" ));
     }

-    else {
+    else
+    {

         GSocket_Debug(( "GSocket_Output_Timeout seems correct\n" ));
     }
   }
         GSocket_Debug(( "GSocket_Output_Timeout seems correct\n" ));
     }
   }


@@ -1328,7 +1351,9 @@ int GSocket::Recv_Stream(char *buffer, int size)
   do
   {
     ret = recv(m_fd, buffer, size, GSOCKET_MSG_NOSIGNAL);
   do
   {
     ret = recv(m_fd, buffer, size, GSOCKET_MSG_NOSIGNAL);

-  } while (ret == -1 && errno == EINTR); /* Loop until not interrupted */
+  }
+  while (ret == -1 && errno == EINTR); /* Loop until not interrupted */
+

   return ret;
 }
 
   return ret;
 }
 


@@ -1344,7 +1369,8 @@ int GSocket::Recv_Dgram(char *buffer, int size)
   do
   {
     ret = recvfrom(m_fd, buffer, size, 0, &from, (WX_SOCKLEN_T *) &fromlen);
   do
   {
     ret = recvfrom(m_fd, buffer, size, 0, &from, (WX_SOCKLEN_T *) &fromlen);

-  } while (ret == -1 && errno == EINTR); /* Loop until not interrupted */
+  }
+  while (ret == -1 && errno == EINTR); /* Loop until not interrupted */

 
   if (ret == -1)
     return -1;
 
   if (ret == -1)
     return -1;


@@ -1359,6 +1385,7 @@ int GSocket::Recv_Dgram(char *buffer, int size)
       return -1;
     }
   }
       return -1;
     }
   }

+

   err = _GAddress_translate_from(m_peer, &from, fromlen);
   if (err != GSOCK_NOERROR)
   {
   err = _GAddress_translate_from(m_peer, &from, fromlen);
   if (err != GSOCK_NOERROR)
   {


@@ -1380,7 +1407,8 @@ int GSocket::Send_Stream(const char *buffer, int size)
   do
   {
     ret = send(m_fd, (char *)buffer, size, GSOCKET_MSG_NOSIGNAL);
   do
   {
     ret = send(m_fd, (char *)buffer, size, GSOCKET_MSG_NOSIGNAL);

-  } while (ret == -1 && errno == EINTR); /* Loop until not interrupted */
+  }
+  while (ret == -1 && errno == EINTR); /* Loop until not interrupted */

 
   UNMASK_SIGNAL();
 
 
   UNMASK_SIGNAL();
 


@@ -1411,7 +1439,8 @@ int GSocket::Send_Dgram(const char *buffer, int size)
   do
   {
     ret = sendto(m_fd, (char *)buffer, size, 0, addr, len);
   do
   {
     ret = sendto(m_fd, (char *)buffer, size, 0, addr, len);

-  } while (ret == -1 && errno == EINTR); /* Loop until not interrupted */
+  }
+  while (ret == -1 && errno == EINTR); /* Loop until not interrupted */

 
   UNMASK_SIGNAL();
 
 
   UNMASK_SIGNAL();
 


@@ -1519,9 +1548,11 @@ void GSocket::Detected_Write()
 GSocket *GSocket_new(void)
 {
     GSocket *newsocket = new GSocket();
 GSocket *GSocket_new(void)
 {
     GSocket *newsocket = new GSocket();

-    if(newsocket->IsOk())
+    if (newsocket->IsOk())

         return newsocket;
         return newsocket;

+

     delete newsocket;
     delete newsocket;

+

     return NULL;
 }
 
     return NULL;
 }
 


@@ -1661,6 +1692,7 @@ GSocketError _GAddress_translate_from(GAddress *address,
     address->m_error = GSOCK_MEMERR;
     return GSOCK_MEMERR;
   }
     address->m_error = GSOCK_MEMERR;
     return GSOCK_MEMERR;
   }

+

   memcpy(address->m_addr, addr, len);
 
   return GSOCK_NOERROR;
   memcpy(address->m_addr, addr, len);
 
   return GSOCK_NOERROR;


@@ -1747,9 +1779,11 @@ GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname)
       address->m_error = GSOCK_NOHOST;
       return GSOCK_NOHOST;
     }
       address->m_error = GSOCK_NOHOST;
       return GSOCK_NOHOST;
     }

+

     array_addr = (struct in_addr *) *(he->h_addr_list);
     addr->s_addr = array_addr[0].s_addr;
   }
     array_addr = (struct in_addr *) *(he->h_addr_list);
     addr->s_addr = array_addr[0].s_addr;
   }

+

   return GSOCK_NOERROR;
 }
 
   return GSOCK_NOERROR;
 }