mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-06 13:11:20 +00:00
836c469737
handle SIGFPE and allow the registered signal handler to do recovery rather than bail progs.h, pr_exec.c, pr_load.c: if pr_faultchecks is 1 (0 is default), handle division by 0 gracefully by loading the maximum representable number into the answer Closes: #58 the rest: kill the SIGFPE stuff
119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
/*
|
|
sys_unix.c
|
|
|
|
(description)
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
Copyright (C) 2000 Marcus Sundberg [mackan@stacken.kth.se]
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
static const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/time.h>
|
|
|
|
#include "QF/console.h"
|
|
#include "QF/cvar.h"
|
|
#include "QF/qargs.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "client.h"
|
|
#include "host.h"
|
|
#include "server.h"
|
|
|
|
qboolean isDedicated = false;
|
|
|
|
static void
|
|
shutdown (void)
|
|
{
|
|
// change stdin to blocking
|
|
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NONBLOCK);
|
|
}
|
|
|
|
int
|
|
main (int c, const char *v[])
|
|
{
|
|
|
|
double time, oldtime, newtime;
|
|
|
|
memset (&host_parms, 0, sizeof (host_parms));
|
|
|
|
COM_InitArgv (c, v);
|
|
host_parms.argc = com_argc;
|
|
host_parms.argv = com_argv;
|
|
|
|
isDedicated = (COM_CheckParm ("-dedicated") != 0);
|
|
|
|
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
|
|
|
|
Sys_RegisterShutdown (Host_Shutdown);
|
|
Sys_RegisterShutdown (shutdown);
|
|
|
|
Host_Init ();
|
|
|
|
if (!sys_nostdout->int_val) {
|
|
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
|
|
Con_Printf ("Quake -- Version %s\n", NQ_VERSION);
|
|
}
|
|
|
|
oldtime = Sys_DoubleTime () - 0.1;
|
|
while (1) {
|
|
// find time spent rendering last frame
|
|
newtime = Sys_DoubleTime ();
|
|
time = newtime - oldtime;
|
|
|
|
if (cls.state == ca_dedicated) { // play vcrfiles at max speed
|
|
if (time < sys_ticrate->value && (!vcrFile || recording)) {
|
|
usleep (1);
|
|
continue; // not time to run a server only tic yet
|
|
}
|
|
time = sys_ticrate->value;
|
|
}
|
|
|
|
if (time > sys_ticrate->value * 2)
|
|
oldtime = newtime;
|
|
else
|
|
oldtime += time;
|
|
|
|
Host_Frame (time);
|
|
}
|
|
}
|