static int anetListen(char *err, int s, struct sockaddr *sa, socklen_t len, int backlog) {
if (bind(s,sa,len) == -1) {
anetSetError(err, "bind: %s", strerror(errno));
close(s);
return ANET_ERR;
}
#ifdef WIN32_IOCP
if (aeWinListen(s, backlog) == SOCKET_ERROR) {
#else
if (listen(s, backlog) == -1) {
#endif
anetSetError(err, "listen: %s", strerror(errno));
close(s);
return ANET_ERR;
}
return ANET_OK;
}
static int anetV6Only(char *err, int s) {
int yes = 1;
if (setsockopt(s,IPPROTO_IPV6,IPV6_V6ONLY,&yes,sizeof(yes)) == -1) {
anetSetError(err, "setsockopt: %s", strerror(errno));
close(s);
return ANET_ERR;
}
return ANET_OK;
}
static int anetListen(char *err, int s, struct sockaddr *sa, socklen_t len) {
int r = bind((SOCKET)s,sa,len);
if (r == SOCKET_ERROR) {
errno = WSAGetLastError();
anetSetError(err, "bind error: %d\n", errno);
closesocket((SOCKET)s);
return ANET_ERR;
}
if (aeWinListen((SOCKET)s, 511) == SOCKET_ERROR) { /* the magic 511 constant is from nginx */
errno = WSAGetLastError();
anetSetError(err, "listen error: %d\n", errno);
closesocket((SOCKET)s);
return ANET_ERR;
}
return ANET_OK;
}
