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RE: nanosleep.c & winsock.h (was Re: Windows Build Broken - Feature Bran


From: Shaun Tancheff
Subject: RE: nanosleep.c & winsock.h (was Re: Windows Build Broken - Feature Branch)
Date: Thu, 13 May 2004 16:03:42 -0500

Why not something simple?

#include <windows.h> // Sleep() and SleepEx()
#include <stdio.h>
#include <stdlib.h>

/*
VOID Sleep(
  DWORD dwMilliseconds   // sleep time in milliseconds
);

DWORD SleepEx(
  DWORD dwMilliseconds,  // time-out interval in milliseconds
  BOOL bAlertable        // early completion flag
);
*/ 

#define sleep(x)       Sleep( (x)*1000 )
#define usleep(x)      Sleep( (x) )
#define nanosleep(x)   Sleep( ((x)+1000)/1000 )

int main( int argc, char * argv[] )
{
    fprintf( stdout, "Sleep for 1s\n" );
    sleep(1);
    fprintf( stdout, "Sleep for 1ms\n" );
    usleep(1);
    fprintf( stdout, "Sleep for 1ns\n" );
    nanosleep(1);
    return 0;
}

> -----Original Message-----
> From: address@hidden 
> [mailto:address@hidden On 
> Behalf Of Derek Robert Price
> Sent: Thursday, May 13, 2004 3:33 PM
> To: Conrad T. Pino
> Cc: Bug CVS
> Subject: Re: nanosleep.c & winsock.h (was Re: Windows Build 
> Broken - Feature Branch)
> 
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Conrad T. Pino wrote:
> 
> >Hi Derek,
> >
> >>From: Derek Robert Price
> >>
> >>Hrm.  How about a declaration with no prototype in unistd.h?  It'll 
> >>disable MSVC's type checking for calls to select, but it might work.
> >>e.g.:
> >>
> >>int select ();
> >
> >
> >Could I get you a cup of coffee? :)
> 
> 
> I think I'm past that point.  I just need sleep.  :)
> 
> >The hard issue isn't the "select" function prototype (just a 
> warning).
> >
> >The hard issue is "nanosleep" needs a "struct timeval" definition in 
> >order to make the "select" call and a redefinition error occurs when 
> >"winsock.h" follows "unistd.h" in the same compile.
> 
> 
> Ah.  You could try getting just declaring struct timeval in 
> nanosleep.c past Jim Meyering.  Probably only when the other 
> headers aren't found, of course.  And assuming it works.  Try 
> it first...
> 
> Derek
> 
> - --
>                 *8^)
> 
> Email: address@hidden
> 
> Get CVS support at <http://ximbiot.com>!
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> 
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