More debugging. ACKs seem to be ignored. Also some intermittent memory allocation problem.

src/Toolchain-vxworks.cmake

@@ -6,7 +6,7 @@ set(VXWORKS_COMPILING TRUE)
 
 # Specify the cross compiler:
 set(CMAKE_C_COMPILER i586-wrs-vxworks-gcc)
-#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DLABCOMM_COMPAT=\\\"labcomm_compat_vxworks.h\\\"")
+#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DLABCOMM_COMPAT=\\\"labcomm_compat_vxworks.h\\\" -DLABCOMM_NO_STDIO")
 
 # Add additional includes
 include_directories(

src/protocol/firefly_protocol.c

@@ -302,6 +302,7 @@ void handle_channel_response(firefly_protocol_channel_response *chan_res,
 
 	conn = context;
 
+	printf("%s", __func__);
 	fecrr = FIREFLY_MALLOC(sizeof(*fecrr));
 	if (fecrr == NULL) {
 		firefly_error(FIREFLY_ERROR_ALLOC, 1,
@@ -327,6 +328,8 @@ static void firefly_channel_send_channel_ack(
 		int dest_chan_id)
 {
 	firefly_protocol_channel_ack ack;
+
+	printf("%s", __func__);
 	if (chan != NULL) {
 		ack.ack = true;
 		ack.source_chan_id = chan->local_id;

src/utils/firefly_event_queue_vx.c

@@ -135,7 +135,9 @@ void *firefly_event_vx_thread_main(void *args)
 			/* TODO: Retval can indicate badly contructed event, or 
 			 * failed execution. Should this be handled?
 			 */
+			printf("exec ev: %p\n", ev->execute);
 			firefly_event_execute(ev);
+			printf("done exec ev\n");
 			semTake(ctx->lock, WAIT_FOREVER);
 			firefly_event_return(eq, &ev);
 			semGive(ctx->lock);

src/utils/firefly_resend_vx.c

@@ -236,6 +236,8 @@ int firefly_resend_wait(struct resend_queue *rq,
 		result = -1;
 	} else {
 		*data = malloc(res->size);
+		if (!*data)
+			printf("malloc failed %s:%s\n", __FILE__, __LINE__);
 		memcpy(*data, res->data, res->size);
 		*size = res->size;
 		*id = res->id;