From 32ac8281ce318a1741a7577cc0e81be1da9d3f95 Mon Sep 17 00:00:00 2001
From: Nikhil Samith Bysani <nbysani2@illinois.edu>
Date: Mon, 12 Jan 2009 13:46:21 -0500
Subject: [PATCH] Small changes in documentation.

---
 src/base/bang-module.c           |  3 +++
 src/base/bang-signals.c          | 28 ++++++++++++++--------------
 src/modules/matrix-mult-module.c |  1 -
 3 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/src/base/bang-module.c b/src/base/bang-module.c
index cbd60ce..f0cc73f 100644
--- a/src/base/bang-module.c
+++ b/src/base/bang-module.c
@@ -25,6 +25,9 @@
  *  -BANG_module_version: version of the module
  *  -BANG_module_init: initialize the module
  *  -BANG_module_run: runs the module
+ *
+ *  How should the GUI interact with the module?  Using their owns symbols in the module
+ *  such as "GUI_init".
  */
 
 #define BDEBUG_1
diff --git a/src/base/bang-signals.c b/src/base/bang-signals.c
index aea1599..b8a8e1a 100644
--- a/src/base/bang-signals.c
+++ b/src/base/bang-signals.c
@@ -22,6 +22,20 @@ struct _signal_node {
 
 typedef struct _signal_node signal_node;
 
+/**
+ * Another read-writer problem, multiple threads can send out the same signal at the same time, but only one thread
+ * should be allowed add a signal handler.
+ */
+static pthread_mutex_t send_sig_lock[BANG_NUM_SIGS];
+static pthread_mutex_t add_handler_lock[BANG_NUM_SIGS];
+static int sig_senders[BANG_NUM_SIGS];
+
+/**
+ * \brief The handlers for each of the signals is kept in a linked list stored
+ *  in an array which is index by the signal's number
+ */
+static signal_node **signal_handlers;
+
 /**
  * \param head The head of the signal_node list.
  *
@@ -36,20 +50,6 @@ static void recursive_sig_free(signal_node *head) {
 	head = NULL;
 }
 
-/**
- * \brief The handlers for each of the signals is kept in a linked list stored
- *  in an array which is index by the signal's number
- */
-static signal_node **signal_handlers;
-
-/**
- * Another read-writer problem, multiple threads can send out the same signal at the same time, but only one thread
- * should be allowed add a signal handler.
- */
-static pthread_mutex_t send_sig_lock[BANG_NUM_SIGS];
-static pthread_mutex_t add_handler_lock[BANG_NUM_SIGS];
-static int sig_senders[BANG_NUM_SIGS];
-
 static void acquire_sig_lock(int signal) {
 	pthread_mutex_lock(&send_sig_lock[signal]);
 	if (sig_senders[signal] == 0)
diff --git a/src/modules/matrix-mult-module.c b/src/modules/matrix-mult-module.c
index d316e66..304d1f5 100644
--- a/src/modules/matrix-mult-module.c
+++ b/src/modules/matrix-mult-module.c
@@ -101,7 +101,6 @@ void BANG_module_run() {
 	/* This should not change, however ids are only avialable when the program is run. */
 	id = api.BANG_get_my_id();
 
-
 	gtk_widget_show(window);
 	gtk_widget_show(label);
 }