systemtime

How to populate SYSTEMTIME value?

On Windows Mobile (but I guess it's the same on Windows) in a native C++ app, how would I go about setting a SYSTEMTIME structure correctly? Assuming I have int year, month, dayOfMonth, hour, minute, second; I obviously should set the wHour, wYear, etc members of the SYSTEMTIME structure, but what happens with wDayOfWeek in that case...

getrusage() get system time, user time. Unix programming help

I am writing a shell where I need to launch several child processes at once and record the system time and user time. So far I am able to do it. The only problem is that I am using wait4 to grab the system resources used by the child program and put it in my rusage structure called usage. How can I launch all the processes at the same ...

Is there any other time service than system time that we can make use?

I am developing a desktop app and it have an trial period after which application will get expire. Currently I am using system time. Since user can easily change it, I thought its not a good way to follow. Is there any other time service that is available which I can make use of? I heard something like system clock count or something l...

SystemTimeToTzSpecificLocalTime - how to get utc offset and time zone

I have a need to convert a utc system time to local time and find the corresponding utc offset. I wouldn't mind getting the time zone also. As far as I can tell, SystemTimeToTzSpecificLocalTime returns no information on these. Anyone have a good way of determining the UTC offset and time zone? ...

How to get system time in Haskell using Data.Time.Clock?

I'm needing some Ints to use as seed to random number generation and so I wanted to use the old trick of using the system time as seed. So I tried to use the Data.Time package and I managed to do the following: import Data.Time.Clock time = getCurrentTime >>= return . utctDayTime When I run time I get things like: Prelude Data.T...

Is there a Windows absolute time for timestamps? (.NET)

I'm working with a WPF/C# app where I need to lock out users from accessing a particular feature for some amount of time. Basically, from the time a certain event happens, I want to prevent certain access for the next 24 hours. The simple case: Event happens, save timestamp (using DateTime or similar) User tries to access area 15 hou...

Unit Testing: DateTime.Now

I have some unit tests that expects the 'current time' to be different than DateTime.Now and I don't want to change the computer's time, obviously. What's the best strategy to achieve this? Thanks ...

I can't get SetSystemTime to work in Windows Vista using C# with Interop (P/Invoke).

Hi, I'm having a hard time getting SetSystemTime working in my C# code. SetSystemtime is a kernel32.dll function. I'm using P/invoke (interop) to call it. SetSystemtime returns false and the error is "Invalid Parameter". I've posted the code below. I stress that GetSystemTime works just fine. I've tested this on Vista and Windows 7. ...

Given Date, Get Day of Week - SYSTEMTIME

Is it possible to determine the day of the week, using SYSTEMTIME, if a date (month-day-year) is provided or is this structure one-way only? What is the most lightweight way to accomplish what I am asking if SYSTEMTIME cannot do it (using Win32)? ...

How do I set the windows system clock to the right local time using C++?

Right now I do something like this: SYSTEMTIME st; st.wHour = 6; st.wMinute = 23; BOOL result = SetSystemTime(&st); The goal is to get it to show that exact time on my local machine. When I run the program it changes it to 8:23 instead of 6:23. How can I get it to show the correct local time? ...

Is there a function like asctime_s() that works for SYSTEMTIME structures in windows?

I know I can do this if I have a struct tm structure, but what if I want to do the same thing with a SYSTEMTIME. I could do this manually but just wondering if there's function that does this already. Thanks void PrintTimeSCII(struct tm *time) { char timebuf[26] = {0}; asctime_s(timebuf, 26, time); printf("%s\n", time...

Get & Set system time in C#

Hello, I found one piece of sample code from web forum. When I began to learn it. I found the output is very strange. Why does the code can't work well? It always go forward 8 hours when I run the code below. VS2005 and WinXP used.Thank you. class Tester { [System.Runtime.InteropServices.DllImport("kernel32", SetLastE...

Changing Android system clock stops timers. How can I restart them?

Hello, I need to run a periodic task in an Android application. I currently use a timer like this: final Handler guiHandler = new Handler(); // the task to run final Runnable myRunnable = new Runnable() { @Override public void run() { doMyStuff(); } }; Timer timer = new Timer(); timer.schedule(new TimerTask() { ...

most efficient way to get current time/date/day in C

What is the most efficient way of getting current time/date/day/year in C language? As I have to execute this many times, I need a real efficient way. I am on freeBSD. thanks in advance. ...

MS SQL 2005: Any way to temporarily set the system date for a T-SQL script to a different date?

We have a bunch of T-SQL scripts dependent on today's date and when they run. If one doesn't run on the week it should, we end up temporarily setting the system time a day before, run the script, then set it back. Is there anyway to temporarily set the system date for a script without changing the original script, like when you execute...

C# SetSystemTime (WIN API) hooking

Hello. I need restriction for time changes coming from different sources. The best way, as i think, is to hook WINAPI function SetSystemTime (and maybe SetLocalTime). I tried to hook this by using EasyHook library with injection in all running processes, owned by current system user. But it had no effect. How can I do that? ...