*/
void Host_AbortCurrentFrame(void)
{
+ // in case we were previously nice, make us mean again
+ Sys_MakeProcessMean();
+
longjmp (host_abortframe, 1);
}
dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
Con_Printf("%s\n", engineversion);
+ // initialize process nice level
+ Sys_InitProcessNice();
+
// initialize ixtable
Mathlib_Init();
}
}
+ if(cls.state == ca_dedicated)
+ Sys_MakeProcessNice();
+
if (cls.state != ca_dedicated)
{
SCR_BeginLoadingPlaque();
if (!worldmodel || !worldmodel->TraceBox)
{
Con_Printf("Couldn't load map %s\n", modelname);
+
+ if(cls.state == ca_dedicated)
+ Sys_MakeProcessMean();
+
return;
}
NetConn_Heartbeat (2);
SV_VM_End();
+
+ if(cls.state == ca_dedicated)
+ Sys_MakeProcessMean();
}
/////////////////////////////////////////////////////
unsigned int Sys_SDL_GetTicks (void); // wrapper to call SDL_GetTicks
void Sys_SDL_Delay (unsigned int milliseconds); // wrapper to call SDL_Delay
+/// called to set process priority for dedicated servers
+void Sys_InitProcessNice (void);
+void Sys_MakeProcessNice (void);
+void Sys_MakeProcessMean (void);
+
#endif
return false;
}
#endif
+
+/// called to set process priority for dedicated servers
+#if defined(__linux__)
+#include <sys/resource.h>
+#include <errno.h>
+static int nicelevel;
+static qboolean nicepossible;
+static qboolean isnice;
+void Sys_InitProcessNice (void)
+{
+ struct rlimit lim;
+ nicepossible = false;
+ if(COM_CheckParm("-nonice"))
+ return;
+ errno = 0;
+ nicelevel = getpriority(PRIO_PROCESS, 0);
+ if(errno)
+ {
+ Con_Printf("Kernel does not support reading process priority - cannot use niceness\n");
+ return;
+ }
+ if(getrlimit(RLIMIT_NICE, &lim))
+ {
+ Con_Printf("Kernel does not support lowering nice level again - cannot use niceness\n");
+ return;
+ }
+ if(lim.rlim_cur != RLIM_INFINITY && nicelevel < (int) (20 - lim.rlim_cur))
+ {
+ Con_Printf("Current nice level is below the soft limit - cannot use niceness\n");
+ return;
+ }
+ nicepossible = true;
+ isnice = false;
+}
+void Sys_MakeProcessNice (void)
+{
+ if(!nicepossible)
+ return;
+ if(isnice)
+ return;
+ Con_DPrintf("Process is becoming 'nice'...\n");
+ if(setpriority(PRIO_PROCESS, 0, 19))
+ Con_Printf("Failed to raise nice level to %d\n", 19);
+ isnice = true;
+}
+void Sys_MakeProcessMean (void)
+{
+ if(!nicepossible)
+ return;
+ if(!isnice)
+ return;
+ Con_DPrintf("Process is becoming 'mean'...\n");
+ if(setpriority(PRIO_PROCESS, 0, nicelevel))
+ Con_Printf("Failed to lower nice level to %d\n", nicelevel);
+ isnice = false;
+}
+#else
+void Sys_InitProcessNice (void)
+{
+}
+void Sys_MakeProcessNice (void)
+{
+}
+void Sys_MakeProcessMean (void)
+{
+}
+#endif