void check_signals(void)
{
if (mf_sigchld) handle_sigchld();
if (mf_sigalrm) handle_sigalrm();
if (mf_sigint) handle_sigint();
if (mf_sigquit) handle_sigquit();
if (mf_sigterm) handle_sigterm();
if (mf_sigpipe) handle_sigpipe();
if (mf_sigusr1) handle_sigusr1();
if (mf_sigusr2) handle_sigusr2();
if (mf_sighup) handle_sighup();
if (mf_stupid)
{
syslog(LOG_ERR,"set a signal handler,but forgot to write code to handle it");
mf_stupid = 0;
}
}
int tcp_server(const char *host, uint16_t port)
{
//处理PIPE信号
handle_sigpipe();
int listenfd = socket(AF_INET, SOCK_STREAM, 0);
if (listenfd == -1)
ERR_EXIT("socket");
set_reuseaddr(listenfd, 1);
set_reuseport(listenfd, 1);
set_keepalive(listenfd, 0);
set_tcpnodelay(listenfd, 0);
SAI addr;
memset(&addr, 0, sizeof addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
if (host == NULL) {
addr.sin_addr.s_addr = INADDR_ANY;
}
else if (inet_aton(host, &addr.sin_addr) == 0) {
struct hostent *hp = gethostbyname(host);
if (hp == NULL)
ERR_EXIT("gethostbyname");
addr.sin_addr = *(struct in_addr *)hp->h_addr;
}
if (bind(listenfd, (SA *)&addr, sizeof addr) == -1)
ERR_EXIT("bind");
if (listen(listenfd, SOMAXCONN) == -1)
ERR_EXIT("listen");
return listenfd;
}
