* modules/access/dvb: Set the DVR device in non-blocking mode because it

   sometimes blocks on read() after returning from select().

modules/access/dvb/access.c

@@ -384,19 +384,19 @@ static block_t *Block( access_t *p_access )
 
         if ( FD_ISSET( p_sys->i_handle, &fds ) )
         {
+            p_block = block_New( p_access,
+                                 p_sys->i_read_once * TS_PACKET_SIZE );
+            if( ( p_block->i_buffer = read( p_sys->i_handle, p_block->p_buffer,
+                                p_sys->i_read_once * TS_PACKET_SIZE ) ) <= 0 )
+            {
+                msg_Warn( p_access, "read failed (%s)", strerror(errno) );
+                block_Release( p_block );
+                continue;
+            }
             break;
         }
     }
 
-    p_block = block_New( p_access, p_sys->i_read_once * TS_PACKET_SIZE );
-    if( ( p_block->i_buffer = read( p_sys->i_handle, p_block->p_buffer,
-                                    p_sys->i_read_once*TS_PACKET_SIZE ) ) <= 0 )
-    {
-        msg_Err( p_access, "read failed (%s)", strerror(errno) );
-        block_Release( p_block );
-        return NULL;
-    }
-
     if( p_sys->i_read_once < DVB_READ_ONCE )
         p_sys->i_read_once++;
 

modules/access/dvb/linux_dvb.c

@@ -1177,6 +1177,12 @@ int E_(DVROpen)( access_t * p_access )
         return VLC_EGENERIC;
     }
 
+    if( fcntl( p_sys->i_handle, F_SETFL, O_NONBLOCK ) == -1 )
+    {
+        msg_Warn( p_access, "DVROpen: couldn't set non-blocking mode (%s)",
+                  strerror(errno) );
+    }
+
     return VLC_SUCCESS;
 }