int
iolooper_wait_absolute(IoLooper* iol, int64_t deadline)
{
int64_t timeout = deadline - iolooper_now();
/* If the deadline has passed, set the timeout to 0, this allows us
* to poll the file descriptor nonetheless */
if (timeout < 0)
timeout = 0;
return iolooper_wait(iol, timeout);
}
SyncSocket*
syncsocket_connect(int fd, SockAddress* sockaddr, int timeout)
{
IoLooper* looper = NULL;
int connect_status;
SyncSocket* sync_socket;
socket_set_nonblock(fd);
for(;;) {
connect_status = socket_connect(fd, sockaddr);
if (connect_status >= 0) {
// Connected. Create IoLooper for the helper.
looper = iolooper_new();
break;
}
if (errno == EINPROGRESS || errno == EAGAIN || errno == EWOULDBLOCK) {
// Connection is in progress. Wait till it's finished.
looper = iolooper_new();
iolooper_add_write(looper, fd);
connect_status = iolooper_wait(looper, timeout);
if (connect_status > 0) {
iolooper_del_write(looper, fd);
} else {
iolooper_free(looper);
return NULL;
}
} else if (errno != EINTR) {
return NULL;
}
}
// We're now connected. Lets initialize SyncSocket instance
// for this connection.
sync_socket = malloc(sizeof(SyncSocket));
if (sync_socket == NULL) {
derror("PANIC: not enough memory\n");
exit(1);
}
sync_socket->iolooper = looper;
sync_socket->fd = fd;
return sync_socket;
}
