add a "freeslots" field to the host cache

[xonotic/darkplaces.git] / sys_linux.c

diff --git a/sys_linux.c b/sys_linux.c
index 9b6aa09e0c5b58fe594992581dda07ff944a0032..725eecace8dc1b10d9205ef7ab488fa0e24f0b6c 100644 (file)
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -1,5 +1,6 @@
 
 #ifdef WIN32
+#include <io.h>
 #include "conio.h"
 #else
 #include <unistd.h>
@@ -13,7 +14,7 @@
 
 
 #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
 
 
@@ -51,7 +52,22 @@ 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 +76,7 @@ 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)
        {
@@ -197,14 +214,16 @@ 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
 }
 
@@ -223,8 +242,6 @@ void Sys_Init_Commands (void)
 
 int main (int argc, char **argv)
 {
-       double frameoldtime, framenewtime;
-
        signal(SIGFPE, SIG_IGN);
 
        com_argc = argc;
@@ -234,17 +251,7 @@ int main (int argc, char **argv)
        fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
 #endif
 
-       Host_Init();
-
-       frameoldtime = Sys_DoubleTime () - 0.1;
-       while (1)
-       {
-               // find time spent rendering last frame
-               framenewtime = Sys_DoubleTime ();
+       Host_Main();
 
-               Host_Frame (framenewtime - frameoldtime);
-
-               frameoldtime = framenewtime;
-       }
        return 0;
 }