int
rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks)
{
int status;
rb_blocking_function_t *func = connect_blocking;
struct connect_arg arg;
arg.fd = fd;
arg.sockaddr = sockaddr;
arg.len = len;
#if defined(SOCKS) && !defined(SOCKS5)
if (socks) func = socks_connect_blocking;
#endif
status = (int)BLOCKING_REGION_FD(func, &arg);
if (status < 0) {
switch (errno) {
case EINTR:
#ifdef ERESTART
case ERESTART:
#endif
case EAGAIN:
#ifdef EINPROGRESS
case EINPROGRESS:
#endif
return wait_connectable(fd);
}
}
return status;
}
int
rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks)
{
int status;
rb_blocking_function_t *func = connect_blocking;
struct connect_arg arg;
#if WAIT_IN_PROGRESS > 0
int wait_in_progress = -1;
int sockerr;
socklen_t sockerrlen;
#endif
arg.fd = fd;
arg.sockaddr = sockaddr;
arg.len = len;
#if defined(SOCKS) && !defined(SOCKS5)
if (socks) func = socks_connect_blocking;
#endif
for (;;) {
status = (int)BLOCKING_REGION_FD(func, &arg);
if (status < 0) {
switch (errno) {
case EINTR:
#if defined(ERESTART)
case ERESTART:
#endif
continue;
case EAGAIN:
#ifdef EINPROGRESS
case EINPROGRESS:
#endif
#if WAIT_IN_PROGRESS > 0
sockerrlen = (socklen_t)sizeof(sockerr);
status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen);
if (status) break;
if (sockerr) {
status = -1;
errno = sockerr;
break;
}
#endif
#ifdef EALREADY
case EALREADY:
#endif
#if WAIT_IN_PROGRESS > 0
wait_in_progress = WAIT_IN_PROGRESS;
#endif
status = wait_connectable(fd);
if (status) {
break;
}
errno = 0;
continue;
#if WAIT_IN_PROGRESS > 0
case EINVAL:
if (wait_in_progress-- > 0) {
/*
* connect() after EINPROGRESS returns EINVAL on
* some platforms, need to check true error
* status.
*/
sockerrlen = (socklen_t)sizeof(sockerr);
status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen);
if (!status && !sockerr) {
struct timeval tv = {0, 100000};
rb_thread_wait_for(tv);
continue;
}
status = -1;
errno = sockerr;
}
break;
#endif
#ifdef EISCONN
case EISCONN:
status = 0;
errno = 0;
break;
#endif
default:
break;
}
}
return status;
}
}
