[djenriquez]

I'm working on code that returns the time it takes to send a file from one computer to another. The basic idea is:

// obtain start timestamp
start = time (NULL);

// transfer data
send(sock, temps, strlen(temps) ,0);

// obtain end timestamp
end = time (NULL);

end - start = transfer_time

When I run the code, it states that the start and end times are the same regardless of the file size, so I'm thinking that it executes without waiting for the send to finish - the end time is taken before the send is actually done. Does the code wait until the data is completely finished sending before executing the next line? If not, how can I ensure that the end time is taken only when the data is finished sending?

[Salem_c]

Are you assuming that time() returns an infinitely precise answer?

Because on my machine, anything less than a second (which is a LONG LONG time for most machine operations) would appear to take zero time.

Perhaps you need a faster clock.

[djenriquez]

Salem_c, on 11 March 2011 - 02:53 AM, said:

Are you assuming that time() returns an infinitely precise answer?

Because on my machine, anything less than a second (which is a LONG LONG time for most machine operations) would appear to take zero time.

Perhaps you need a faster clock.

Ah thanks! Changed to ms and worked fine.