int main(int argc, const char *argv[])
{
// Init global server shared memory segment
init_shared_memory_segment();
// Init shared memory segment for current process's client
if ((local_memory = init_client_shared_memory(getpid())) == NULL) {
perror("Can't locate client memory");
return SHM_CREAT_ERROR;
}
if (make_auth() == AUTH_FAIL) {
printf("Auth error. Check if server is running.\n");
return AUTH_FAIL;
}
clearScene();
do {
usleep(CLIENT_WAIT);
if (send_sync_request() == _SYNC_DONE) {
make_some_job();
} else {
printf("There is problem with server connection. Check if server is running.\n");
return 1;
}
} while (1);
return 0;
}
// Initialize resources for both the producer and the consumers
// First initialization function called
void IPC_initialize(int _nb_receivers, int _request_size)
{
nb_receivers = _nb_receivers;
request_size = _request_size;
if (request_size < MIN_MSG_SIZE)
{
request_size = MIN_MSG_SIZE;
}
size_t urpc_msg_word = URPC_MSG_WORDS;
size_t nb_messages = NB_MESSAGES;
buffer_size = urpc_msg_word * 8 * nb_messages;
connection_size = buffer_size * 2 + 2 * URPC_CHANNEL_SIZE;
nb_cycles_send = 0;
nb_cycles_recv = 0;
nb_cycles_first_recv = 0;
nb_messages_in_transit = 0;
shared_areas = (void**) malloc(sizeof(void*) * nb_receivers);
if (!shared_areas)
{
perror("Allocation error");
exit(errno);
}
int i;
for (i = 0; i < nb_receivers; i++)
{
shared_areas[i] = init_shared_memory_segment(
"/tmp/barrelfish_message_passing_microbench", connection_size, 'a' + i);
#ifdef DEBUG
printf("New shared area @ %p, len = %li\n", shared_areas[i],
CONNECTION_SIZE);
#endif
}
}