use usleep instead of gtk_main_iteration in loops when waiting for input channel

src/icons.c

@@ -170,7 +170,7 @@ handle_stdin (GIOChannel * channel, GIOCondition condition, gpointer data)
       GString *string = g_string_new (NULL);
 
       while (channel->is_readable != TRUE)
-        gtk_main_iteration ();
+        usleep (100);
 
       do
         {

src/list.c

@@ -575,7 +575,7 @@ handle_stdin (GIOChannel *channel, GIOCondition condition, gpointer data)
       gboolean node_added = FALSE;
 
       while (channel->is_readable != TRUE)
-        gtk_main_iteration ();
+        usleep (100);
 
       do
         {

src/notification.c

@@ -267,7 +267,7 @@ handle_stdin (GIOChannel * channel, GIOCondition condition, gpointer data)
 
       string = g_string_new (NULL);
       while (channel->is_readable == FALSE)
-        gtk_main_iteration ();
+        usleep (100);
 
       do
         {

src/progress.c

@@ -55,7 +55,7 @@ handle_stdin (GIOChannel *channel, GIOCondition condition, gpointer data)
       string = g_string_new (NULL);
 
       while (channel->is_readable != TRUE)
-        gtk_main_iteration ();
+        usleep (100);
 
       do
         {
@@ -69,7 +69,6 @@ handle_stdin (GIOChannel *channel, GIOCondition condition, gpointer data)
 
               while (gtk_events_pending ())
                 gtk_main_iteration ();
-
             }
           while (status == G_IO_STATUS_AGAIN);
 

src/text.c

@@ -271,7 +271,7 @@ handle_stdin (GIOChannel * channel, GIOCondition condition, gpointer data)
 
       string = g_string_new (NULL);
       while (channel->is_readable != TRUE)
-        gtk_main_iteration ();
+        usleep (100);
 
       do
         {