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Small checks to avoid needless blocking in delay_frames=0 mode

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This commit is contained in:
Gregor Richards 2016-09-23 23:27:07 -04:00
parent 591579e868
commit 6472b0ce82
1 changed files with 7 additions and 4 deletions
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11
network/netplay/netplay.c
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@ -525,8 +525,6 @@ static int poll_input(netplay_t *netplay, bool block)
if (socket_select(max_fd, &fds, NULL, NULL, &tmp_tv) < 0)
return -1;
/* Somewhat hacky,
* but we aren't using the TCP connection for anything useful atm. */
if (FD_ISSET(netplay->fd, &fds))
{
/* If we're not ready for input, wait until we are. Could fill the TCP buffer, stalling the other side. */
@ -538,7 +536,12 @@ static int poll_input(netplay_t *netplay, bool block)
}
}
if (!block)
/* If we were blocked for input, pass if we have this frame's input */
if (block && netplay->read_frame_count > netplay->self_frame_count)
break;
/* If we had input, we might have more */
if (had_input || !block)
continue;
RARCH_LOG("Network is stalling at frame %u, count %u of %d ...\n",
@ -546,7 +549,7 @@ static int poll_input(netplay_t *netplay, bool block)
if (netplay->timeout_cnt >= MAX_RETRIES && !netplay->remote_paused)
return -1;
} while (had_input || (block && (netplay->read_frame_count <= netplay->self_frame_count)));
} while (had_input || block);
return 0;
}