-#include "quakedef.h"
#ifdef WIN32
#include <windows.h>
#else
#include <unistd.h>
#include <fcntl.h>
-#include <sys/time.h>
#include <time.h>
#endif
#include <signal.h>
-
-cvar_t sys_usenoclockbutbenchmark = {CVAR_SAVE, "sys_usenoclockbutbenchmark", "0", "don't use ANY real timing, and simulate a clock (for benchmarking); the game then runs as fast as possible. Run a QC mod with bots that does some stuff, then does a quit at the end, to benchmark a server. NEVER do this on a public server."};
-static unsigned long benchmark_time;
-
-#ifdef WIN32
-cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1", "use windows timeGetTime function (which has issues on some motherboards) for timing rather than QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power)"};
-#else
-# ifndef MACOSX
-cvar_t sys_useclockgettime = {CVAR_SAVE, "sys_useclockgettime", "0", "use POSIX clock_gettime function (which has issues if the system clock speed is far off, as it can't get fixed by NTP) for timing rather than gettimeofday (which has issues if the system time is stepped by ntpdate, or apparently on some Xen installations)"};
-# endif
-#endif
-
-
+#include "quakedef.h"
// =======================================================================
// General routines
// =======================================================================
void Sys_Shutdown (void)
{
-#ifndef WIN32
+#ifdef FNDELAY
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
#endif
fflush(stdout);
char string[MAX_INPUTLINE];
// change stdin to non blocking
-#ifndef WIN32
+#ifdef FNDELAY
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
#endif
exit (1);
}
+static int outfd = 1;
void Sys_PrintToTerminal(const char *text)
{
-#ifndef WIN32
+ if(outfd < 0)
+ return;
+#ifdef FNDELAY
// BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0).
- int origflags = fcntl (1, F_GETFL, 0);
- fcntl (1, F_SETFL, origflags & ~FNDELAY);
-#else
-#define write _write
-#endif
- while(*text)
+ // this is because both go to /dev/tty by default!
{
- ssize_t written = write(1, text, strlen(text));
- if(written <= 0)
- break; // sorry, I cannot do anything about this error - without an output
- text += written;
- }
-#ifndef WIN32
- fcntl (1, F_SETFL, origflags);
+ int origflags = fcntl (outfd, F_GETFL, 0);
+ fcntl (outfd, F_SETFL, origflags & ~FNDELAY);
#endif
- //fprintf(stdout, "%s", text);
-}
-
-double Sys_DoubleTime (void)
-{
- static int first = true;
- static double oldtime = 0.0, curtime = 0.0;
- double newtime;
- if(sys_usenoclockbutbenchmark.integer)
- {
- benchmark_time += 1;
- return ((double) benchmark_time) / 1e6;
- }
#ifdef WIN32
- // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
- if (sys_usetimegettime.integer)
- {
- static int firsttimegettime = true;
- // timeGetTime
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // reasonable accuracy (millisecond)
- // issues:
- // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter)
-
- // make sure the timer is high precision, otherwise different versions of windows have varying accuracy
- if (firsttimegettime)
- {
- timeBeginPeriod (1);
- firsttimegettime = false;
- }
-
- newtime = (double) timeGetTime () / 1000.0;
- }
- else
- {
- // QueryPerformanceCounter
- // platform:
- // Windows 95/98/ME/NT/2000/XP
- // features:
- // very accurate (CPU cycles)
- // known issues:
- // does not necessarily match realtime too well (tends to get faster and faster in win98)
- // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
- double timescale;
- LARGE_INTEGER PerformanceFreq;
- LARGE_INTEGER PerformanceCount;
-
- if (!QueryPerformanceFrequency (&PerformanceFreq))
+#define write _write
+#endif
+ while(*text)
{
- Con_Printf ("No hardware timer available\n");
- // fall back to timeGetTime
- Cvar_SetValueQuick(&sys_usetimegettime, true);
- return Sys_DoubleTime();
+ fs_offset_t written = (fs_offset_t)write(outfd, text, (int)strlen(text));
+ if(written <= 0)
+ break; // sorry, I cannot do anything about this error - without an output
+ text += written;
}
- QueryPerformanceCounter (&PerformanceCount);
-
- #ifdef __BORLANDC__
- timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale;
- #else
- timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
- newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
- #endif
- }
-#else
-# ifndef MACOSX
- if (sys_useclockgettime.integer)
- {
- struct timespec ts;
-# ifdef SUNOS
- clock_gettime(CLOCK_HIGHRES, &ts);
-# else
- clock_gettime(CLOCK_MONOTONIC, &ts);
-# endif
- newtime = (double) ts.tv_sec + ts.tv_nsec / 1000000000.0;
- }
- else
-# endif
- {
- struct timeval tp;
- gettimeofday(&tp, NULL);
- newtime = (double) tp.tv_sec + tp.tv_usec / 1000000.0;
+#ifdef FNDELAY
+ fcntl (outfd, F_SETFL, origflags);
}
#endif
-
- if (first)
- {
- first = false;
- oldtime = newtime;
- }
-
- if (newtime < oldtime)
- {
- // warn if it's significant
- if (newtime - oldtime < -0.01)
- Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else if (newtime > oldtime + 1800)
- {
- Con_Printf("Sys_DoubleTime: time stepped forward (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
- }
- else
- curtime += newtime - oldtime;
- oldtime = newtime;
-
- return curtime;
+ //fprintf(stdout, "%s", text);
}
char *Sys_ConsoleInput(void)
timeout.tv_usec = 0;
if (select (1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(0, &fdset))
{
- len = read (0, text, sizeof(text));
+ len = read (0, text, sizeof(text) - 1);
if (len >= 1)
{
// rip off the \n and terminate
// div0: WHY? console code can deal with \n just fine
// this caused problems with pasting stuff into a terminal window
- // text[len-1] = 0;
+ // so, not ripping off the \n, but STILL keeping a NUL terminator
+ text[len] = 0;
return text;
}
}
return NULL;
}
-void Sys_Sleep(int microseconds)
-{
- if(sys_usenoclockbutbenchmark.integer)
- {
- benchmark_time += microseconds;
- return;
- }
-#ifdef WIN32
- Sleep(microseconds / 1000);
-#else
- usleep(microseconds);
-#endif
-}
-
char *Sys_GetClipboardData (void)
{
return NULL;
{
}
-void Sys_Init_Commands (void)
-{
- Cvar_RegisterVariable(&sys_usenoclockbutbenchmark);
-#ifdef WIN32
- Cvar_RegisterVariable(&sys_usetimegettime);
-#else
-# ifndef MACOSX
- Cvar_RegisterVariable(&sys_useclockgettime);
-# endif
-#endif
-}
-
int main (int argc, char **argv)
{
signal(SIGFPE, SIG_IGN);
com_argc = argc;
com_argv = (const char **)argv;
+ Sys_ProvideSelfFD();
+
+ // COMMANDLINEOPTION: sdl: -noterminal disables console output on stdout
+ if(COM_CheckParm("-noterminal"))
+ outfd = -1;
+ // COMMANDLINEOPTION: sdl: -stderr moves console output to stderr
+ else if(COM_CheckParm("-stderr"))
+ outfd = 2;
+ else
+ outfd = 1;
-#ifndef WIN32
+#ifdef FNDELAY
fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
#endif
return 0;
}
+
+qboolean sys_supportsdlgetticks = false;
+unsigned int Sys_SDL_GetTicks (void)
+{
+ Sys_Error("Called Sys_SDL_GetTicks on non-SDL target");
+ return 0;
+}
+void Sys_SDL_Delay (unsigned int milliseconds)
+{
+ Sys_Error("Called Sys_SDL_Delay on non-SDL target");
+}
projects / xonotic / darkplaces.git / blobdiff