if you are adding your site in major search engine. your site will be queued for review. its take long time to add your site it in index. if u wanna add your site soon in search engine index,you must add your site to social networking sites.
for a google
adding url in google
for a yahoo
adding url in yahoo
for a bing(msn)
adding url in bing
like wise , every search engine allow user to add their site in their index.
Have a Nice Day