X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=sys_linux.c;h=6a876d1b029086fce435cb5e0d1c6027c1ff6833;hb=ac5533c5e5a5ad2e2edfae17c596faf29692aa06;hp=f3db25efac8a6dc642ec3f6ffb1b6246a351c4bd;hpb=65fea57d305ccc8d64fa83759d5b32bb69617b95;p=xonotic%2Fdarkplaces.git

diff --git a/sys_linux.c b/sys_linux.c
index f3db25ef..6a876d1b 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -1,5 +1,7 @@
+#include "quakedef.h"
 
 #ifdef WIN32
+#include <io.h>
 #include "conio.h"
 #else
 #include <unistd.h>
@@ -9,11 +11,9 @@
 
 #include <signal.h>
 
-#include "quakedef.h"
-
 
 #ifdef WIN32
-cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1"};
+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)"};
 #endif
 
 
@@ -32,7 +32,7 @@ void Sys_Shutdown (void)
 void Sys_Error (const char *error, ...)
 {
 	va_list argptr;
-	char string[1024];
+	char string[MAX_INPUTLINE];
 
 // change stdin to non blocking
 #ifndef WIN32
@@ -51,7 +51,22 @@ void Sys_Error (const char *error, ...)
 
 void Sys_PrintToTerminal(const char *text)
 {
-	fprintf(stdout, "%s", text);
+#ifndef WIN32
+	// 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);
+#endif
+	while(*text)
+	{
+		int written = (int)write(1, text, (int)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);
+#endif
+	//fprintf(stdout, "%s", text);
 }
 
 double Sys_DoubleTime (void)
@@ -60,6 +75,7 @@ double Sys_DoubleTime (void)
 	static double oldtime = 0.0, curtime = 0.0;
 	double newtime;
 #ifdef WIN32
+#include <mmsystem.h>
 	// 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)
 	{
@@ -96,7 +112,12 @@ double Sys_DoubleTime (void)
 		LARGE_INTEGER PerformanceCount;
 
 		if (!QueryPerformanceFrequency (&PerformanceFreq))
-			Sys_Error ("No hardware timer available");
+		{
+			Con_Printf ("No hardware timer available\n");
+			// fall back to timeGetTime
+			Cvar_SetValueQuick(&sys_usetimegettime, true);
+			return Sys_DoubleTime();
+		}
 		QueryPerformanceCounter (&PerformanceCount);
 
 		#ifdef __BORLANDC__
@@ -136,8 +157,8 @@ char *Sys_ConsoleInput(void)
 {
 	if (cls.state == ca_dedicated)
 	{
-		static char text[256];
-		static int len = 0;
+		static char text[MAX_INPUTLINE];
+		static unsigned int len = 0;
 #ifdef WIN32
 		int c;
 
@@ -192,14 +213,16 @@ char *Sys_ConsoleInput(void)
 	return NULL;
 }
 
-void Sys_Sleep(int milliseconds)
+void Sys_Sleep(int microseconds)
 {
-	if (milliseconds < 1)
-		milliseconds = 1;
 #ifdef WIN32
-	Sleep(milliseconds);
+	if (microseconds < 1000)
+		microseconds = 1000;
+	Sleep(microseconds / 1000);
 #else
-	usleep(milliseconds * 1000);
+	if (microseconds < 1)
+		microseconds = 1;
+	usleep(microseconds);
 #endif
 }
 
@@ -218,8 +241,6 @@ void Sys_Init_Commands (void)
 
 int main (int argc, char **argv)
 {
-	double frameoldtime, framenewtime;
-
 	signal(SIGFPE, SIG_IGN);
 
 	com_argc = argc;
@@ -229,17 +250,7 @@ int main (int argc, char **argv)
 	fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
 #endif
 
-	Host_Init();
+	Host_Main();
 
-	frameoldtime = Sys_DoubleTime () - 0.1;
-	while (1)
-	{
-		// find time spent rendering last frame
-		framenewtime = Sys_DoubleTime ();
-
-		Host_Frame (framenewtime - frameoldtime);
-
-		frameoldtime = framenewtime;
-	}
 	return 0;
 }