Re: [Dev-C++] sleep() for Windows XP
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Re: [Dev-C++] sleep() for Windows XP
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From: Adam J. <aj...@i-...> - 2007-07-25 01:01:54
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Sorry guys! I was a little too quick! Did not do my homework before
responding. No excuses, but a have a big deadline tomorrow....I will check
myself in the future...
-----Original Message-----
From: dev...@li...
[mailto:dev...@li...] On Behalf Of Jamiil
Abduqadir
Sent: Tuesday, July 24, 2007 10:38 PM
To: 'Dev Cpp MailingLinst'; 'matheus ribeiro'
Subject: Re: [Dev-C++] sleep() for Windows XP
HEY!! Adam, what is wrong with you man?
We appreciate the time and the effort you put into helping others, but your
input sounds more like a threat than a suggestion.
Relaaax man!!
----- Original Message -----
From: "Adam Jones" <aj...@i-...>
To: "'matheus ribeiro'" <mfr...@gm...>
Cc: "'Jamiil Abduqadir'" <jal...@gm...>; "'Dev Cpp MailingLinst'"
<dev...@li...>
Sent: Tuesday, July 24, 2007 8:39 AM
Subject: RE: [Dev-C++] sleep() for Windows XP
>>> You Wrote:
>>>But it also eats your cpu cycles... Sleep doest consume CPU.
>
> Please reserve your comments to information that is accurate. You are
> giving
> the wrong information. I don't know any CPU Instruction that does not
> require cpu cycles.
> Sleep() is not some magical command, nor a cpu instruction. It is a
> function
> call just like any other function call. It takes a value (DWORD) and
> returns
> VOID. It's prototype declaration is in windows.h.
>
> If you take the time to investigate you will notice the assembler code
> that
> gets produced when you make this call. Better yet you could have just read
> the MSDN entry on microsoft's website and it would have told you how this
> function works. Functionally it works the same way as the function I
> wrote.
> It checks the clock ticks and compares them to see if the require time has
> lapse.
>
> The major difference is that my function is platform independent, and it
> does not require preprocessor commands. As you know, windows.h is only
> available on a windows platform. The function I wrote, requires only
> time.h
> which is a c++ library.
>
> I will even take this one step further. If you compile these two programs,
> the sizes of the files are the same (16k), and the assembler code that is
> produced is almost Identical.
>
> Program 1:
> //Source code headers
> #include <time.h>
>
> //Main program function
> int main()
> {
> //sleep command
> unsigned int clockTicks;
> clock_t ticksReached;
>
> clockTicks = 3000;
> ticksReached = clockTicks + clock();
> while (ticksReached > clock());
>
>
> //Exit program
> return 0;
> }
>
> Program 2:
>
> //Source code headers
> #include <windows.h>
>
> //Main program function
> int main()
> {
> //sleep command
> Sleep(300);
>
> //Exit program
> return 0;
> }
>
> - Adam Jones
>
>
>
> -----Original Message-----
> From: matheus ribeiro [mailto:mfr...@gm...]
> Sent: Tuesday, July 24, 2007 12:32 AM
> To: Adam Jones
> Cc: Jamiil Abduqadir; Dev Cpp MailingLinst
> Subject: Re: [Dev-C++] sleep() for Windows XP
>
> But it also eats your cpu cycles... Sleep doest consume CPU.
>
> 2007/7/23, Adam Jones <aj...@i-...>:
>> Just in case you are interested, here is a platfrom independent way to
> cause
>> your program to sleep without using sleep() or MS version Sleep(). It
>> also
>> avoids preprocessors commands.
>>
>> #include <time.h>
>>
>> Int main()
>> {
>>
>> unsigned int clockTicks; //Stores the
> amount
>> of time you want to pause execution in clock ticks
>> clock_t ticksReached; //Stores the
> amount
>> of clock ticks
>>
>> clockTicks = 3000; //set pause to 3 seconds
>> ticksReached = clockTicks + clock(); //get number of
>> clocks tick since program started then add the addition wait time
>> while (ticksReached > clock()); //loop until current
>> clock
>> ticks equal the ticks needed to wait
>>
>> return 0;
>> }
>>
>> It is more code, but it is platfrom independent and free of preprocessor
>> commands.....
>>
>> -Adam Jones
>>
>>
>> -----Original Message-----
>> From: dev...@li...
>> [mailto:dev...@li...] On Behalf Of Adam
> Jones
>> Sent: Monday, July 23, 2007 10:24 PM
>> To: 'Jamiil Abduqadir'; 'Dev Cpp MailingLinst'
>> Subject: Re: [Dev-C++] sleep() for Windows XP
>>
>> >>You wrote:
>> >> Does anyone know where I can find a source code for such service, so
> that
>> it is a portable sleep() function?
>>
>> Why do you feel the need to cause your program to sleep(). There may be
>> other ways of pausing executive without using a platform dependent
> command.
>> Or using #defines. If you could provide more details, that may be
>> helpful.
>>
>> -Adam Jones
>>
>> From: dev...@li...
>> [mailto:dev...@li...] On Behalf Of Jamiil
>> Abduqadir
>> Sent: Monday, July 23, 2007 3:37 PM
>> To: Dev Cpp MailingLinst
>> Subject: [Dev-C++] sleep() for Windows XP
>>
>> Using GCC, I developed some small apps under Linux, now I am trying to
> port
>> this apps to MSWinXP, but there are some Unix functions that are not
>> availableunder MS, sleep() is one of them. Does anyone know where I can
>> find a source code for such service, so that it isa portable sleep()
>> function?
>>
>>
>>
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