#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#define PROJECTID 0xFF
#define n 100
int main( void )
{
key_t key;
int id,size,flag;
unsigned i;
unsigned *array;
printf( "GENERATOR [%u]\n",(unsigned)getpid() );
key = ftok( "/tmp",PROJECTID );
flag = IPC_CREAT | 0x1B6;
size = n*sizeof( unsigned );
id = shmget( key,size,flag );
if( id>0 )
{
printf( "...utworzono segment wspólny [%u][0x%x]\n\t",id,key );
array = (unsigned*)shmat( id,NULL,0 );
for( i=0;i<n;i++ )
{
*(array+i)=(4*i+1);
printf( "." ); fflush( stdout);
}
shmdt( (void*)array );
printf( "\n...zakończono inicjację segmentu wspólnego\n" );
}
else { perror( "!.!.!..shmget()..." ); exit( 1 ); }
return 0;
}
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#define PROJECTID 0xFF
#define n 100
int main( void )
{
key_t key;
int id,size,flag;
struct shmid_ds buffer;
unsigned i,*array;
key = ftok( "/tmp",PROJECTID );
flag = IPC_CREAT | 0x1B6;
size = n*sizeof( unsigned );
id = shmget( key,size,flag );
if( id>0 )
{
array = (unsigned*)shmat( id,NULL,0 );
printf( "100 liczb D.HILBERTa odczytanych z [%u][0x%x]\n",id,key );
for( i=0;i<n;i++ )
{
printf( "%10u",*(array+i) );
printf( "%c",!((i+1)%5)?('\n'):(' ') );
}
printf( "%c",'\n' );
shmdt( (void*)array );
(void)shmctl( id,IPC_RMID,&buffer );
}
else {
perror( "!.!.!..shmget()..." );
exit( 1 );
}
return 0;
}
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