switch from using Sleep/usleep to Glib::usleep() (and remember that we need to make Glib::usleep() actually work on windows one day)

gtk2_ardour/ardour_ui.cc

@@ -753,7 +753,7 @@ ARDOUR_UI::starting ()
 			// wait for announce reply from nsm server
 			for ( i = 0; i < 5000; ++i) {
 				nsm->check ();
-				usleep (i);
+				Glib::usleep (i);
 				if (nsm->is_active()) {
 					break;
 				}
@@ -765,7 +765,7 @@ ARDOUR_UI::starting ()
 			// wait for open command from nsm server
 			for ( i = 0; i < 5000; ++i) {
 				nsm->check ();
-				usleep (1000);
+				Glib::usleep (1000);
 				if (nsm->client_id ()) {
 					break;
 				}
@@ -3506,7 +3506,7 @@ ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
 		}
 		int timeout = 120; // 6 sec
 		while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
-			usleep (50000);
+			Glib::usleep (50000);
 			if (--timeout <= 0 || !video_server_process->is_running()) break;
 		}
 		if (timeout <= 0) {

gtk2_ardour/editor_ops.cc

@@ -3481,7 +3481,7 @@ Editor::freeze_route ()
 	
 	/* wait for just a little while, because the above call is asynchronous */
 
-	::usleep (250000);
+	Glib::usleep (250000);
 
 	if (clicked_routeview == 0 || !clicked_routeview->is_audio_track()) {
 		return;

gtk2_ardour/export_range_markers_dialog.cc

@@ -93,7 +93,7 @@ ExportRangeMarkersDialog::process_range_markers_export(Locations::LocationList&
 				if(gtk_events_pending()){
 					gtk_main_iteration();
 				}else {
-					usleep(10000);
+					Glib::usleep(10000);
 				}
 			}
 

gtk2_ardour/export_video_dialog.cc

@@ -572,7 +572,7 @@ ExportVideoDialog::launch_export ()
 		if (gtk_events_pending()) {
 			gtk_main_iteration ();
 		} else {
-			usleep (10000);
+			Glib::usleep (10000);
 		}
 	}
 	audio_progress_connection.disconnect();

gtk2_ardour/linux_vst_gui_support.cc

@@ -33,6 +33,7 @@
 #include <pthread.h>
 #include <signal.h>
 #include <glib.h>
+#include <glibmm/timer.h>
 
 #include "ardour/linux_vst_support.h"
 
@@ -377,7 +378,7 @@ void* gui_event_loop (void* ptr)
 
 		/*We don't want to use all the CPU.. */
 
-		usleep(1000);
+		Glib::usleep(1000);
 		
 		LXVST_sched_event_timer++;
 		
@@ -706,7 +707,7 @@ vstfx_launch_editor (VSTState* vstfx)
 	/*QUIRK - some plugins need a slight delay after opening the editor before you can
 	ask the window size or they might return zero - specifically discoDSP */
 	
-	usleep(100000);
+	Glib::usleep(100000);
 	
 	/*Now we can find out how big the parent window should be (and try) to resize it*/
 	

gtk2_ardour/lxvst_plugin_ui.cc

@@ -141,7 +141,7 @@ LXVSTPluginUI::get_XID ()
 	*/
 	
 	while (!(_vst->state()->been_activated)) {
-		usleep (1000);
+		Glib::usleep (1000);
 	}
 	
 	int const id = _vst->state()->xid;

gtk2_ardour/system_exec.cc

@@ -537,7 +537,7 @@ SystemExec::terminate ()
 	
 	if (pid) {
 		::kill(pid, SIGTERM);
-		::usleep(50000);
+		usleep(50000);
 		sched_yield();
 		wait(WNOHANG);
 	}

gtk2_ardour/utils_videotl.cc

@@ -325,7 +325,7 @@ extern "C" {
 		struct A3MemoryStruct chunk;
 		long int httpstatus;
 		if (status) *status = 0;
-		//usleep(500000); return NULL; // TEST & DEBUG
+		//Glib::usleep(500000); return NULL; // TEST & DEBUG
 		if (strncmp("http://", u, 7)) return NULL;
 
 		chunk.data=NULL;