Removed unused code in VIO

vio/viossl.c:
  Removed unused code in VIO
  made sslaccept() and sslconnect() more similar

include/violite.h

@@ -102,9 +102,6 @@ my_bool vio_peer_addr(Vio* vio, char *buf);
 
 void vio_in_addr(Vio *vio, struct in_addr *in);
 
-  /* Return 1 if there is data to be read */
-my_bool vio_poll_read(Vio *vio,uint timeout);
-
 #ifdef	__cplusplus
 }
 #endif
@@ -122,7 +119,6 @@ my_bool vio_poll_read(Vio *vio,uint timeout);
 #define vio_close(vio)				((vio)->vioclose)(vio)
 #define vio_peer_addr(vio, buf)			(vio)->peer_addr(vio, buf)
 #define vio_in_addr(vio, in)			(vio)->in_addr(vio, in)
-#define vio_poll_read(vio,timeout)		(vio)->poll_read(vio,timeout)
 #endif /* defined(HAVE_VIO) && !defined(DONT_MAP_VIO) */
 
 #ifdef HAVE_OPENSSL
@@ -155,9 +151,6 @@ int vio_ssl_errno(Vio *vio);
 my_bool vio_ssl_peer_addr(Vio* vio, char *buf);
 void vio_ssl_in_addr(Vio *vio, struct in_addr *in);
 
-/* Return 1 if there is data to be read */
-my_bool vio_ssl_poll_read(Vio *vio,uint timeout);
-
 /* Single copy for server */
 struct st_VioSSLAcceptorFd 
 {
@@ -227,7 +220,6 @@ struct st_vio
   void    (*in_addr)(Vio*, struct in_addr*);
   my_bool (*should_retry)(Vio*);
   int     (*vioclose)(Vio*);
-  my_bool (*poll_read)(Vio*,uint);
 
 #ifdef HAVE_OPENSSL
   SSL* ssl_;

vio/vio.c

@@ -60,7 +60,6 @@ void vio_reset(Vio* vio, enum enum_vio_type type,
     vio->vioclose	=vio_ssl_close;
     vio->peer_addr	=vio_ssl_peer_addr;
     vio->in_addr	=vio_ssl_in_addr;
-    vio->poll_read	=vio_ssl_poll_read;
     vio->vioblocking	=vio_blocking;
     vio->is_blocking	=vio_is_blocking;
   }
@@ -77,7 +76,6 @@ void vio_reset(Vio* vio, enum enum_vio_type type,
     vio->vioclose	=vio_close;
     vio->peer_addr	=vio_peer_addr;
     vio->in_addr	=vio_in_addr;
-    vio->poll_read	=vio_poll_read;
     vio->vioblocking	=vio_blocking;
     vio->is_blocking	=vio_is_blocking;
   }

vio/viossl.c

@@ -255,32 +255,11 @@ void vio_ssl_in_addr(Vio *vio, struct in_addr *in)
 }
 
 
-/* Return 0 if there is data to be read */
-
-my_bool vio_ssl_poll_read(Vio *vio,uint timeout)
-{
-#ifndef HAVE_POLL
-  return 0;
-#else
-  struct pollfd fds;
-  int res;
-  DBUG_ENTER("vio_ssl_poll");
-  fds.fd=vio->sd;
-  fds.events=POLLIN;
-  fds.revents=0;
-  if ((res=poll(&fds,1,(int) timeout*1000)) <= 0)
-  {
-    DBUG_RETURN(res < 0 ? 0 : 1);		/* Don't return 1 on errors */
-  }
-  DBUG_RETURN(fds.revents & POLLIN ? 0 : 1);
-#endif
-}
-
 void sslaccept(struct st_VioSSLAcceptorFd* ptr, Vio* vio, long timeout)
 {
-  X509* client_cert;
   char *str;
   char buf[1024];
+  X509* client_cert;
   DBUG_ENTER("sslaccept");
   DBUG_PRINT("enter", ("sd=%d ptr=%p", vio->sd,ptr));
   vio_reset(vio,VIO_TYPE_SSL,vio->sd,0,FALSE);
@@ -339,7 +318,6 @@ void sslconnect(struct st_VioSSLConnectorFd* ptr, Vio* vio, long timeout)
   DBUG_ENTER("sslconnect");
   DBUG_PRINT("enter", ("sd=%d ptr=%p ctx: %p", vio->sd,ptr,ptr->ssl_context_));
   vio_reset(vio,VIO_TYPE_SSL,vio->sd,0,FALSE);
-
   vio->ssl_=0;
   vio->open_=FALSE; 
   if (!(vio->ssl_ = SSL_new(ptr->ssl_context_)))