server.h

一个C编写网络广播的程序

/* 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 <[e-mail]>. 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 2

void *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