From: idgay <idgay>
Date: Mon, 16 Jul 2007 15:58:16 +0000 (+0000)
Subject: non-blocking read fix from Steve McKown
X-Git-Tag: release_tools_1_2_4_1~28
X-Git-Url: https://oss.titaniummirror.com/gitweb/?p=tinyos-2.x.git;a=commitdiff_plain;h=bee7eba2654ceb34de5a6d29399e6dc6c5d4a9b5

non-blocking read fix from Steve McKown
---

diff --git a/support/sdk/c/serialsource.c b/support/sdk/c/serialsource.c
index 2da6968c..4e4afabd 100644
--- a/support/sdk/c/serialsource.c
+++ b/support/sdk/c/serialsource.c
@@ -627,11 +627,11 @@ void *read_serial_packet(serial_source src, int *len)
      the serial source is in non-blocking mode
 */
 {
+  read_and_process(src, TRUE);
   for (;;)
     {
       struct packet_list *entry;
 
-      read_and_process(src, src->non_blocking);
       entry = pop_protocol_packet(src, P_PACKET_NO_ACK);
       if (entry)
 	{
@@ -645,6 +645,7 @@ void *read_serial_packet(serial_source src, int *len)
       if (src->non_blocking && serial_source_empty(src))
 	return NULL;
       source_wait(src, NULL);
+      read_and_process(src, src->non_blocking);
     }
 }