linux c 编写服务应用，并发测试时出现close wait

[wangyou_1987]

并发测试服务程序时，出现close wait 后续交易就接收不了。已经在子进程退出时已经close了，怎么还会有closewait。请大神帮忙看一下。万分感谢。
int tcp_server2(char *hostip, int port)
{
int sockfd,lis_sockfd,clilen,childpid;
int ret = 0;
int optval = 1;
int dbopen = 0;

int s_idle_val = 15; /* 15 秒开始测试 */
int s_idle_len = sizeof(int);
int s_intvl_val = 5; /* 5 秒测一次 */
int s_intvl_len = sizeof(int);

struct sockaddr_in cli_addr,serv_addr;
fd_set sockfds;
struct timeval tcptime;
char address[128];
memset(address, 0, sizeof(address));

setpgrp ();
signal (SIGINT,SIG_IGN);
signal (SIGCLD,SIG_IGN);
if ((lis_sockfd = socket (AF_INET,SOCK_STREAM,0)) < 0)
{
return (-1);
}

memset ((char *)&serv_addr,0,sizeof (serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = htonl (INADDR_ANY);
serv_addr.sin_port = htons (port);
setsockopt(lis_sockfd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(int));
if (bind (lis_sockfd, (struct sockaddr *)&serv_addr,sizeof (serv_addr )) < 0)
{
logmsg(LOGERR, __FILE__, __LINE__, "Net_Server: can't bind local address Error! errno=%d", errno);
return (-1);
}

listen (lis_sockfd, 500);
// dbOpen2("CATERINGORA","CATERINGORA", "");
for (;;) {

clilen = sizeof (cli_addr);
sockfd = accept (lis_sockfd, (struct sockaddr *)&cli_addr, &clilen);
if (sockfd < 0 ) {
logmsg(LOGERR,__FILE__,__LINE__,"Net_Server: can't accept connect errno=%d", errno);

continue;
}
logmsg(LOGERR, __FILE__, __LINE__, "accetpsuccess");

int val = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &val, sizeof(val))<0)
{
close(sockfd);
logmsg(LOGERR, __FILE__, __LINE__,"setsockopt():[SO_KEEPALIVE] Error! errno=%d", errno);
continue;
}

if (setsockopt(sockfd,IPPROTO_TCP,TCP_KEEPIDLE, (char *)&s_idle_val,s_idle_len)<0)
{
close(sockfd);
logmsg(LOGERR, __FILE__, __LINE__, "setsockopt():[TCP_KEEPIDLE] Error! errno=%d", errno);
continue;
}

if ( setsockopt(sockfd,IPPROTO_TCP,TCP_KEEPINTVL, (char *)&s_intvl_val,s_intvl_len) < 0 )
{
close(sockfd);
logmsg(LOGERR,__FILE__, __LINE__,"setsockopt:[TCP_KEEPINTVL] Error! errno=%d", errno);
continue;
}
logmsg(LOGERR, __FILE__, __LINE__, "gorkstart");
//if (concurrent_flag1 == 1)
{
if ((childpid = fork ()) < 0)
{

logmsg(LOGERR,__FILE__,__LINE__,"Net_Server: can't fork errno=%d", errno);
shutdown(sockfd, 2);
close(sockfd);
continue;
}
else if (childpid == 0)
{ /* Child process */
close(lis_sockfd);
logmsg(LOGERR, __FILE__, __LINE__, "子进程【%d]",getpid());
tcppro(sockfd,address, &dbopen);
usleep(500);
shutdown(sockfd, 2);
close(sockfd);
logmsg(LOGERR, __FILE__, __LINE__, "关闭socket");
exit (0);
}
}
close (sockfd);
}//while(1)
return 0;
}

int
tcppro(int sockfd, char *cliaddr, int* dbopen)
{
int ret, checktel, len;

unsigned char posbuf[PACKAGE_BUF_LEN] = {0};
unsigned char posbuf1[PACKAGE_BUF_LEN] = {0};
unsigned char posbuf2[PACKAGE_BUF_LEN] = {0x00,0x6E,0x60,0x00,0x00,0x00,0x03,0x60,0x32,0x00,0xF1,0x80,0x62,0x02,0x10,0x20,0x38,0x00,0x80,0x02,0xC0,0x20,0x10,0x70,0x01,0x06,0x00,0x00,0x16,0x11,0x52,0x14,0x09,0x07,0x00,0x41,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x31,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x37,0x34,0x34,0x30,0x30,0x30,0x33,0x00,0x42,0x5A,0x5A,0x41,0x41,0x30,0x30,0x31,0x33,0x41,0x42,0x30,0x31,0x35,0x36,0x32,0x31,0x33,0x30,0x31,0x30,0x35,0x32,0x33,0x31,0x30,0x30,0x30,0x31,0x41,0x46,0x30,0x30,0x38,0x32,0x30,0x31,0x38,0x30,0x39,0x30,0x37,0x23,0x00,0x11,0x00,0x00,0x00,0x01,0x00,0x40};

Hq_Store storeinf;

char soure[4] = {0};

signal(SIGCLD, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
signal(SIGPIPE, SIG_IGN);
//while(1)
{

memset(posbuf, 0, sizeof(posbuf));
memset(posbuf1, 0, sizeof(posbuf1));

ret = crdrcv(sockfd, posbuf);


if(ret != 0)
{
logmsg(LOGDEBUG, __FILE__, __LINE__, "received message from front: failed!!");
//dbClose2();
return 0;
}
#if 10



if(*dbopen == 0)
{

logmsg(LOGERR, __FILE__, __LINE__, "dbuser:[%s] dbpwd:[%s] dbsrv:[%s]", dbuser, dbpwd, dbsrv);
ret = dbOpen2(dbuser, dbpwd, dbsrv);

if(ret)
{
logmsg(LOGERR, __FILE__, __LINE__, "打开数据库错");
return 0;
}
*dbopen =1;
}




checktel = 0;
len = 0;

memset(&storeinf, 0, sizeof(Hq_Store));

ret = DB_hq_store(soure, "0", &storeinf);


ret = pospro(posbuf, checktel, &storeinf);

if(ret < 0)
{
logmsg(LOGERR, __FILE__, __LINE__, "vou_pro handle failed !!\n");
return 0;
}
#endif
ret = crdsnd(sockfd, posbuf2);

if(ret != 0)
{
logmsg(LOGERR, __FILE__, __LINE__, "send respond message failed \n");
return 0;
}
}

return 0;

}