gtk application startup time

["Shyjumon N." <shyjumon n ttec soc-soft com>]

Hi all,
   I was tring to find the start up time of my gtk application ....
i am getting negative time. i am putting the code here. please comment on it...

windowA.c

#include <stdio.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <sys/time.h>
void callback_winb(GtkWidget *,gpointer);
extern GtkWidget *windowb;
GtkWidget *windowa;

//struct timeval timer(struct timeval);

/* This is a simple call back fuction for closing the window */

void 
callback1(GtkWidget *widget,
	 gpointer data)
{
	g_print("Pressed key is: %s\n",(gchar *)data);
	gtk_main_quit();
}
int
callback_wina(GtkWidget *widget,
   		gpointer data)
{
//	gtk_widget_hide(windowb);
	GtkWidget *boxa;
	GtkWidget *buttona;
	windowa=gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title(GTK_WINDOW(windowa),"Window A");
	g_signal_connect(G_OBJECT(windowa),"destroy",
			 G_CALLBACK(callback1),(gpointer)"Close");
	g_print("toggling to window b\n");
	gtk_container_set_border_width(GTK_CONTAINER(windowa),20);
	buttona=gtk_button_new_with_label("Toggle_A");
	g_signal_connect(G_OBJECT(buttona),"clicked",
			 G_CALLBACK(callback_winb),NULL);
	gtk_container_add(GTK_CONTAINER(windowa),buttona);
	gtk_widget_show_all(windowa);
}
int
main(int argc,
	char *argv[])
{
	struct timeval tp,tn;
	long times;
	gettimeofday(&tp,NULL);

	printf("tp.sec: %ld\n",tp.tv_sec);
	printf("tp.usec: %ld\n",tp.tv_usec);

	gtk_init(&argc,&argv);
	callback_wina(NULL,(gpointer)20);
	gtk_main();
	gettimeofday(&tn,NULL);

	printf("tn.sec: %ld\n",tn.tv_sec);
	printf("tn.usec: %ld\n",tn.tv_usec);

	times=((tn.tv_sec - tp.tv_sec)/1000000)+ 
		(tn.tv_usec - tp.tv_usec);
	printf("startup time : %ld\n ",times);
	return 0;
}	

windowB.c

#include <stdio.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
/* This is a simple call back fuction for closing the window */
void callback1(GtkWidget *,gpointer);
void callback_wina(GtkWidget *,gpointer);
extern GtkWidget *windowa;
GtkWidget *windowb;
void
callback_winb(GtkWidget *widget,
     		gpointer data)
{
	gtk_widget_hide(windowa);
	GtkWidget *boxb;
	GtkWidget *buttonb;
	windowb=gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title(GTK_WINDOW(windowb),"Window B");
	g_signal_connect(G_OBJECT(windowb),"destroy",
			 G_CALLBACK(callback1),(gpointer)"Close");
	g_print("toggling to window a\n");
	gtk_container_set_border_width(GTK_CONTAINER(windowb),20);
	buttonb=gtk_button_new_with_label("Toggle_B");
	g_signal_connect(G_OBJECT(buttonb),"clicked",
			 G_CALLBACK(callback_wina),NULL);
	gtk_container_add(GTK_CONTAINER(windowb),buttonb);
	gtk_widget_show_all(windowb);
}

makefile
	
#make file for toggle windows
togg: windowA.c windowB.c 
	gcc -g windowA.c windowB.c  -o togg `pkg-config --cflags --libs gtk+-2.0`
clean:
	rm -f togg


With regds,

 

Shyjumon N
Mobile: +91-9945006965

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