Fixed bug when output pipe is closed without a KILL signal

git-svn-id: https://bucket.mit.edu/svn/nilm/acquisition/ethstream@7301 ddd99763-3ecb-0310-9145-efcb8ce7c51f

ethstream.c

@@ -477,9 +477,14 @@ nerdDoStream (const char *address, int *channel_list, int channel_count,
       goto out;
     }
 
-  if (nerd_data_stream
+  retval = nerd_data_stream
       (fd_data, channel_count, channel_list, precision, convert, lines,
-       showmem, &currentcount, period) < 0)
+       showmem, &currentcount, period);
+  if(retval == -3)
+  {
+      retval = 0;
+  }
+  if(retval < 0) 
     {
       info ("Failed to open data stream\n");
       goto out1;
@@ -627,5 +632,5 @@ data_callback (int channels, uint16_t * data, void *context)
 
 bad:
   info ("Output error (disk full?)\n");
-  return -1;
+  return -3;
 }

nerdjack.c

@@ -200,7 +200,7 @@ nerd_send_command (const char *address, void *command, int length)
   if (0 != strcmp ("OK", buf))
     {
       verb ("Did not receive OK.  Received %s\n", buf);
-      return -3;
+      return -1;
     }
 
   return 0;
@@ -480,7 +480,7 @@ nerd_data_stream (int data_fd, int numChannels, int *channel_list,
 
 bad:
   info ("Output error (disk full?)\n");
-  return -1;
+  return -3;
 
 }