多线程多进程并发服务器

#include
#define PORT "8888"
#define IP "192.168.125.61"
int deal_cli_msg(int newfd, struct sockaddr_in cin)
{
	char buf[128];
	ssize_t res = 0;
	while (1)
	{
		bzero(buf, sizeof(buf));
		//接收数据
		res = recv(newfd, buf, sizeof(buf), 0);
		if (res < 0)
		{
			ERR_MSG("recv");
			return -1;
		}
		else if (0 == res)
		{
			newfd = %d \n",newfd);
			break;
		}
		printf("newfd = %d :%s\n",newfd, buf);
		if (strcmp(buf, "quit") == 0)
		{
			break;
		}

		strcat(buf, "*_*");
		if (send(newfd, buf, sizeof(buf), 0) < 0)
		{
			ERR_MSG("send");
			return -1;
		}
		printf("send success\n");
	}
	close(newfd);
	return 0;
}

void handle(int sig)
{
	while(waitpid(-1, NULL, WNOHANG) > 0);
}

int main(int argc, const char* argv)
{
	if(signal(17, handle) == SIG_ERR)
	{
		ERR_MSG("signal");
		return -1;
	}
	
	int sfd = socket(AF_INET, SOCK_STREAM, 0);
	if (sfd < 0)
	{
		ERR_MSG("socket");
		return -1;
	}

	int reuse = 1
	if(setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse)) < 0)
	{
		ERR_MSG("setsockopt");
		return -1;
	}

	struct sockaddr_in sin;
	sin.sin_family = AF_INET;
	sin.sin_port = htons(PORT);
	sin.sin_addr.sin_addr = inet_addr(IP);
	
	if(bind(sfd, (struct*)&sin, sizeof(sin)) < 0)
	{
		ERR_MSG("bind");
		return -1;
	}
	
	if(listen(sfd, 128) < 0)
	{
		ERR_MSG("listen");
		return -1;
	}

	struct sockaddr_in cin;
	socklen_t addrlen = sizeof(cin);
	int newfd = -1;
	pid_t cpid = -1;

	while(1)
	{
		newfd = accept(sfd, (struct sockaddr*)&cin, &addrlen);
		if(newfd < 0)
		{
			ERR_MSG("fork");
			return -1;
		}
		close(newfd);
	}
	close(sfd);
	return 0;
}

#include
#define PORT 8888
#define IP "192.168.125.61"

struct Climsg
{
    int newfd;
    struct sockaddr_in cin;
};
void* deal_cli_msg(void* arg)
{
	int newfd = ((struct Climsg*)arg)->newfd;
    struct sockaddr_in cin = ((struct Climsg*)arg)->cin;

    char buf[128] = ""; 
    ssize_t res = 0;
    while(1)
    {   
        bzero(buf, sizeof(buf));   
        res = recv(newfd, buf, sizeof(buf), 0); 
        if(res < 0)
        {
            ERR_MSG("recv");
            break;
        }
        else if(0 == res)
        {
            printf("客户端下线 newfd=%d\n",newfd);
            break;
        }
        printf("newfd=%d : %s\n", newfd, buf);
        strcat(buf, "*_*");
        if(send(newfd, buf, sizeof(buf), 0) < 0)
        {
            ERR_MSG("send");
            break;
        }
        printf("send success\n");
    }   

    close(newfd);
    pthread_exit(NULL);

}
int main(int argc, const char *argv[])
{
    int sfd = socket(AF_INET, SOCK_STREAM, 0); 
    if(sfd < 0)
    {   
        ERR_MSG("socket");
        return -1; 
    }   
    printf("socket create success sfd=%d\n", sfd);
    int reuse = 1;
    if(setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse)) < 0)
    {   
        ERR_MSG("setsockopt");
        return -1; 
    }   
    printf("允许端口快速的被复用成功\n");

    struct sockaddr_in sin;
    sin.sin_family      = AF_INET;     
    sin.sin_port        = htons(PORT);
    sin.sin_addr.s_addr = inet_addr(IP);

    if(bind(sfd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
    {   
        ERR_MSG("bind");
        return -1; 
    }   
    printf("bind success\n");

    if(listen(sfd, 128) < 0)
    {   
        ERR_MSG("listen");
        return -1; 
    }   
    printf("listen success\n");

    int newfd = -1; 
    struct sockaddr_in cin;            
    socklen_t addrlen = sizeof(cin);   
    pthread_t tid;
    struct Climsg info;

    while(1)
    {   
        newfd = accept(sfd, (struct sockaddr*)&cin, &addrlen);
        if(newfd < 0)
        {
            ERR_MSG("newfd");
            return -1; 
        }
        printf("newfd=%d\n",newfd);
        info.newfd = newfd;
        info.cin = cin;
        if(pthread_create(&tid, NULL, deal_cli_msg, (void*)&info) != 0)
        {
            fprintf(stderr, "pthread_create failed __%d__\n", __LINE__);
            return -1; 
        }
        pthread_detach(tid);
    } 
    if(close(sfd) < 0)
    {   
        ERR_MSG("close");                                                                                     
        return -1; 
    }   
    return 0;
}