子彈 の VISIONS

// created by ztwaker on 2006-8-16

// Used for:? multithread app.

?

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

#include < iostream >

using namespace std ;

?

#include <process.h>

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const int n ???? = 8;??????????? // threads count

const int size ? = 1025;???????? // 1048577 = 1024*1024+1;

const int psize = ( size -1)/ n ;?? // size per thread

char ? pch [ size ] = { 0 };??? // share memory

HANDLE threadpool [ n ];

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void proc( void * p )

{

??? char * px = static_cast < char *>( p );

??? for ( int i = 0; i != psize ; ++ i )

??? {

??????? //*(px+i) = char('0' + rand() % 2);

??????? *( px + i ) = char ( 'A' + ( px - pch )/ psize );

??? }

??? cout << "done" << endl ;

??? _endthread ();

}

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void test()

{

??? for ( int i = 0; i != n ; ++ i )

??? {

??????? char * pt = pch + psize * i ;

??????? unsigned long handle = _beginthread (proc, 0, static_cast < void *>( pt ));

??????? if ( handle != -1)

??????? {

??????????? threadpool [ i ] = reinterpret_cast < HANDLE >( handle );

??????????? CloseHandle ( threadpool [ i ]);

? ?????? }

??? }

???

??? WaitForMultipleObjects ( n , threadpool , true , INFINITE );

}

?

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int main()

{

??? test();

??? Sleep (0);

??? cout << pch << endl ;

??? return 0;

}