static int connect_nonb(int sockfd, const struct sockaddr *addr, socklen_t addrlen, int msec)
{
int flags, n, error;
socklen_t len;
fd_set rset, wset;
struct timeval tval;
flags = setnonblock(sockfd);
error = 0;
if ((n = connect(sockfd, addr, addrlen)) < 0) {
#if (!(defined(WIN32) || defined(_WIN32)))
if (errno != EINPROGRESS)
return -1;
#endif
}
fprintf(stderr, "connect end\n");
if (n == 0)
goto done; /* connect completed immediately */
FD_ZERO(&rset);
FD_SET(sockfd, &rset);
wset = rset;
tval.tv_sec = msec / 1000;
tval.tv_usec = msec % 1000;
fprintf(stderr, "start select\n");
if ( (n = select(sockfd + 1, &rset, &wset, NULL,
msec ? &tval : NULL)) == 0) {
#if (!(defined(WIN32) || defined(_WIN32)))
errno = ETIMEDOUT;
#endif
return -1;
}
fprintf(stderr, "end select\n");
if (FD_ISSET(sockfd, &rset) || FD_ISSET(sockfd, &wset)) {
len = sizeof(error);
if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR, &error, &len) < 0)
/* Solaris pending error */
return -1;
} else {
fprintf(stderr, "select error: sockfd not set");
return -1;
}
done:
/* restore file status flags */
restoreflags(sockfd, flags);
if (error) {
#if (!(defined(WIN32) || defined(_WIN32)))
errno = error;
#endif
return -1;
}
return 0;
}
void dex32_restoreints(DWORD flags)
{
restoreflags(flags);
;};
