X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=sys_linux.c;h=725eecace8dc1b10d9205ef7ab488fa0e24f0b6c;hb=2942e1d5fa49af36df6611b9d43f819d2de95ee5;hp=ed68eec91fdb44c7e7f63865f037b40c49d16c63;hpb=860a778f652e5ef924d758cadfb53ba5cea2422c;p=xonotic%2Fdarkplaces.git diff --git a/sys_linux.c b/sys_linux.c index ed68eec9..725eecac 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 @@ -21,21 +22,18 @@ cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1"}; // ======================================================================= // General routines // ======================================================================= - -void Sys_Quit (void) +void Sys_Shutdown (void) { - Host_Shutdown(); #ifndef WIN32 fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); #endif fflush(stdout); - exit(0); } void Sys_Error (const char *error, ...) { va_list argptr; - char string[1024]; + char string[MAX_INPUTLINE]; // change stdin to non blocking #ifndef WIN32 @@ -43,9 +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_Printf ("Quake Error: %s\n", string); Host_Shutdown (); exit (1); @@ -53,7 +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) @@ -62,6 +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) { @@ -98,7 +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__ @@ -138,8 +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; @@ -194,45 +214,44 @@ 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 } -int main (int argc, const char **argv) +char *Sys_GetClipboardData (void) { - double frameoldtime, framenewtime; + return NULL; +} +void Sys_InitConsole (void) +{ +} + +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_Main(); - Host_Init(); - - Sys_Shared_LateInit(); - - frameoldtime = Sys_DoubleTime () - 0.1; - while (1) - { - // find time spent rendering last frame - framenewtime = Sys_DoubleTime (); - - Host_Frame (framenewtime - frameoldtime); - - frameoldtime = framenewtime; - } return 0; }