testsv.cpp

#include "ace/Shared_Memory_SV.h"
#include "ace/Log_Msg.h"
#include "ace/OS_NS_unistd.h"
 
#include <string>
#include <iostream>
 
 
#define SHMSZ 27
#define SHM_KEY (key_t) 5678
 
 
 
static void
client (void)
{
    ACE_Shared_Memory_SV shm_client (SHM_KEY, SHMSZ);
    char *shm = (char *) shm_client.malloc ();
 
    for (char *s = shm; *s != '\0'; s++)
        putchar (*s);
 
    putchar ('\n');
    *shm = '*';
}
 
static void
server (void)
{
    ACE_Shared_Memory_SV shm_server (SHM_KEY,
                                     SHMSZ,
                                     ACE_Shared_Memory_SV::ACE_CREATE);
    char *shm = (char *) shm_server.malloc ();
    char *s   = shm;
 
    for (char c = 'a'; c <= 'z'; c++)
        *s++ = c;
 
    *s = '\0';
 
    while (*shm != '*')
        ACE_OS::sleep (1);
 
    if (shm_server.remove () < 0)
        ACE_ERROR ((LM_ERROR, "%p\n", "remove"));
}
 
 
int
main( int argc , char ** argv )
{
    std::cout << " man " << std::endl;
    switch (ACE_OS::fork ())
    {
    case -1:
        ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "fork"), 1);
      
    case 0:      
        // Make sure the server starts up first.
        ACE_OS::sleep (1);
        client ();
        break;
      
    default:
        server ();
        break;
    }
 
    return 0;
}