X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=sys_linux.c;h=637cf29e245ae2447641096ed976c2559b4bf379;hb=c8d0d28d9bd50783c125a44bbd44828963312f7a;hp=1df663ae20b5934b80c31eca8dad65aa7c0b8629;hpb=b37ba0237d90d4f2bbd02c0e0e2ea769f4418adb;p=xonotic%2Fdarkplaces.git diff --git a/sys_linux.c b/sys_linux.c index 1df663ae..637cf29e 100644 --- a/sys_linux.c +++ b/sys_linux.c @@ -1,5 +1,6 @@ #ifdef WIN32 +#include #include "conio.h" #else #include @@ -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 @@ -32,7 +33,7 @@ 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 @@ -40,13 +41,10 @@ void Sys_Error (const char *error, ...) #endif va_start (argptr,error); - vsnprintf (string, sizeof (string), error, argptr); + dpvsnprintf (string, sizeof (string), error, argptr); va_end (argptr); - fprintf(stderr, "Error: %s\n", string); - Con_Print ("Quake Error: "); - Con_Print (string); - Con_Print ("\n"); + Con_Printf ("Quake Error: %s\n", string); Host_Shutdown (); exit (1); @@ -54,7 +52,22 @@ void Sys_Error (const char *error, ...) void Sys_PrintToTerminal(const char *text) { - printf("%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) @@ -63,6 +76,7 @@ double Sys_DoubleTime (void) static double oldtime = 0.0, curtime = 0.0; double newtime; #ifdef WIN32 +#include // 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) { @@ -99,7 +113,12 @@ 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__ @@ -139,8 +158,8 @@ 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; @@ -211,34 +230,26 @@ char *Sys_GetClipboardData (void) return NULL; } -int main (int argc, const char **argv) +void Sys_InitConsole (void) { - double frameoldtime, framenewtime; +} +void Sys_Init_Commands (void) +{ +} + +int main (int argc, char **argv) +{ signal(SIGFPE, SIG_IGN); com_argc = argc; - com_argv = argv; + com_argv = (const char **)argv; #ifndef WIN32 fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY); #endif - Sys_Shared_EarlyInit(); - - Host_Init(); - - Sys_Shared_LateInit(); + 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; }