Re: [Dev-C++] sleep() for Windows XP
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Re: [Dev-C++] sleep() for Windows XP
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From: Jamiil A. <jal...@gm...> - 2007-07-25 12:46:59
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It's OK Adam, you a are good guy and we all appreciate you impute and the
tremendous help you provide to the C++/Dev-Cpp community.
I wish you the BEST Adam!
----- Original Message -----
From: "Adam Jones" <aj...@i-...>
To: "'Jamiil Abduqadir'" <jal...@gm...>; "'Dev Cpp MailingLinst'"
<dev...@li...>; "'matheus ribeiro'"
<mfr...@gm...>
Sent: Tuesday, July 24, 2007 6:01 PM
Subject: RE: [Dev-C++] sleep() for Windows XP
> 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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>>
>
>
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