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Fix 100% CPU usage on idle dedicated servers.

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This commit is contained in:
Thilo Schulz 2006-08-18 01:50:51 +00:00
parent 55bddd58fd
commit 5e88acf217
3 changed files with 38 additions and 9 deletions
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33
code/unix/unix_net.c
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@ -648,19 +648,40 @@ char *NET_ErrorString (void)
// sleeps msec or until net socket is ready
void NET_Sleep(int msec)
{
struct timeval timeout;
struct timeval timeout;
fd_set fdset;
extern qboolean stdin_active;
qboolean not_empty = qfalse;
if (!ip_socket || !com_dedicated->integer)
if (!com_dedicated->integer)
return; // we're not a server, just run full speed
FD_ZERO(&fdset);
if (stdin_active)
{
FD_SET(0, &fdset); // stdin is processed too
FD_SET(ip_socket, &fdset); // network socket
timeout.tv_sec = msec/1000;
timeout.tv_usec = (msec%1000)*1000;
select(ip_socket+1, &fdset, NULL, NULL, &timeout);
not_empty = qtrue;
}
if(ip_socket && com_sv_running->integer)
{
FD_SET(ip_socket, &fdset); // network socket
not_empty = qtrue;
}
// There's no reason to call select() with an empty set.
if(not_empty)
{
if(msec >= 0)
{
timeout.tv_sec = msec/1000;
timeout.tv_usec = (msec%1000)*1000;
select(ip_socket+1, &fdset, NULL, NULL, &timeout);
}
else
{
// Block indefinitely
select(ip_socket+1, &fdset, NULL, NULL, NULL);
}
}
}