/* server.h -- server synchronization support definitions *   * This file is part of 'netcast' program, released under BSD License.  * (c) 2001-2002 Stanis砤w Pa秌o <staszek@nutki.com>. All rights reserved.    */#ifndef _MDIST_SERVER_H#define _MDIST_SERVER_H#include <pthread.h>#include <semaphore.h>#include "debug.h"struct sempack {  sem_t init;  sem_t accept;  sem_t prepare;  sem_t ready;  sem_t finish;};extern int wait_count;extern int client_count;extern int server_port;#define S_SYNC 1#define S_SEND 2void *mcast_srv_main (void *args);void *mdtcp_srv_main (void *args);void init_sempack (struct sempack *sp);struct sempack* spawn_server (pthread_t *thr, void * (*start) (void *),                                  struct sempack *spi);#define V(x) do { if (sem_post(&x)<0) ERROR("sem_post()"); } while(0)#define P(x) do { if (sem_wait(&x)!=0) ERROR("sem_wait()"); } while(0)#endif