diff options
Diffstat (limited to 'src/unix/unix_main.c')
| -rw-r--r-- | src/unix/unix_main.c | 1494 |
1 files changed, 0 insertions, 1494 deletions
diff --git a/src/unix/unix_main.c b/src/unix/unix_main.c deleted file mode 100644 index 86d97a1d..00000000 --- a/src/unix/unix_main.c +++ /dev/null @@ -1,1494 +0,0 @@ -/* -=========================================================================== -Copyright (C) 1999-2005 Id Software, Inc. -Copyright (C) 2000-2006 Tim Angus - -This file is part of Tremulous. - -Tremulous is free software; you can redistribute it -and/or modify it under the terms of the GNU General Public License as -published by the Free Software Foundation; either version 2 of the License, -or (at your option) any later version. - -Tremulous is distributed in the hope that it will be -useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with Tremulous; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ -#include <unistd.h> -#include <signal.h> -#include <stdlib.h> -#include <limits.h> -#include <sys/time.h> -#include <sys/types.h> -#include <unistd.h> -#include <fcntl.h> -#include <stdarg.h> -#include <stdio.h> -#include <sys/ipc.h> -#include <sys/shm.h> -#include <sys/stat.h> -#include <string.h> -#include <ctype.h> -#include <sys/wait.h> -#include <sys/mman.h> -#include <errno.h> -#include <libgen.h> // dirname -#ifdef __linux__ // rb010123 - #include <mntent.h> -#endif - -#if (defined(DEDICATED) && defined(USE_SDL_VIDEO)) -#undef USE_SDL_VIDEO -#endif - -#if USE_SDL_VIDEO -#include "SDL.h" -#include "SDL_loadso.h" -#else -#include <dlfcn.h> -#endif - -#ifdef __linux__ - #include <fpu_control.h> // bk001213 - force dumps on divide by zero -#endif - -#if defined(__sun) - #include <sys/file.h> -#endif - -// FIXME TTimo should we gard this? most *nix system should comply? -#include <termios.h> - -#include "../qcommon/q_shared.h" -#include "../qcommon/qcommon.h" -#include "../renderer/tr_public.h" - -#include "linux_local.h" // bk001204 - -#if idppc_altivec - #ifdef MACOS_X - #include <sys/sysctl.h> - #endif -#endif - -unsigned sys_frame_time; - -qboolean stdin_active = qtrue; - -// ============================================================= -// tty console variables -// ============================================================= - -// enable/disabled tty input mode -// NOTE TTimo this is used during startup, cannot be changed during run -static cvar_t *ttycon = NULL; -// general flag to tell about tty console mode -static qboolean ttycon_on = qfalse; -// when printing general stuff to stdout stderr (Sys_Printf) -// we need to disable the tty console stuff -// this increments so we can recursively disable -static int ttycon_hide = 0; -// some key codes that the terminal may be using -// TTimo NOTE: I'm not sure how relevant this is -static int tty_erase; -static int tty_eof; - -static struct termios tty_tc; - -static field_t tty_con; - -static cvar_t *ttycon_ansicolor = NULL; -static qboolean ttycon_color_on = qfalse; - -// history -// NOTE TTimo this is a bit duplicate of the graphical console history -// but it's safer and faster to write our own here -#define TTY_HISTORY 32 -static field_t ttyEditLines[TTY_HISTORY]; -static int hist_current = -1, hist_count = 0; - -// ======================================================================= -// General routines -// ======================================================================= - -// bk001207 -#define MEM_THRESHOLD 96*1024*1024 - -/* -================== -Sys_LowPhysicalMemory() -================== -*/ -qboolean Sys_LowPhysicalMemory() { - //MEMORYSTATUS stat; - //GlobalMemoryStatus (&stat); - //return (stat.dwTotalPhys <= MEM_THRESHOLD) ? qtrue : qfalse; - return qfalse; // bk001207 - FIXME -} - -/* -================== -Sys_FunctionCmp -================== -*/ -int Sys_FunctionCmp(void *f1, void *f2) { - return qtrue; -} - -/* -================== -Sys_FunctionCheckSum -================== -*/ -int Sys_FunctionCheckSum(void *f1) { - return 0; -} - -/* -================== -Sys_MonkeyShouldBeSpanked -================== -*/ -int Sys_MonkeyShouldBeSpanked( void ) { - return 0; -} - -void Sys_BeginProfiling( void ) { -} - -/* -================= -Sys_In_Restart_f - -Restart the input subsystem -================= -*/ -void Sys_In_Restart_f( void ) -{ - IN_Shutdown(); - IN_Init(); -} - -// ============================================================= -// tty console routines -// NOTE: if the user is editing a line when something gets printed to the early console then it won't look good -// so we provide tty_Clear and tty_Show to be called before and after a stdout or stderr output -// ============================================================= - -// flush stdin, I suspect some terminals are sending a LOT of shit -// FIXME TTimo relevant? -void tty_FlushIn( void ) -{ - char key; - while (read(0, &key, 1)!=-1); -} - -// do a backspace -// TTimo NOTE: it seems on some terminals just sending '\b' is not enough -// so for now, in any case we send "\b \b" .. yeah well .. -// (there may be a way to find out if '\b' alone would work though) -void tty_Back( void ) -{ - char key; - key = '\b'; - write(1, &key, 1); - key = ' '; - write(1, &key, 1); - key = '\b'; - write(1, &key, 1); -} - -// clear the display of the line currently edited -// bring cursor back to beginning of line -void tty_Hide( void ) -{ - int i; - assert(ttycon_on); - if (ttycon_hide) - { - ttycon_hide++; - return; - } - if (tty_con.cursor>0) - { - for (i=0; i<tty_con.cursor; i++) - { - tty_Back(); - } - } - ttycon_hide++; -} - -// show the current line -// FIXME TTimo need to position the cursor if needed?? -void tty_Show( void ) -{ - int i; - assert(ttycon_on); - assert(ttycon_hide>0); - ttycon_hide--; - if (ttycon_hide == 0) - { - if (tty_con.cursor) - { - for (i=0; i<tty_con.cursor; i++) - { - write(1, tty_con.buffer+i, 1); - } - } - } -} - -// never exit without calling this, or your terminal will be left in a pretty bad state -void Sys_ConsoleInputShutdown( void ) -{ - if (ttycon_on) - { - Com_Printf("Shutdown tty console\n"); - tcsetattr (0, TCSADRAIN, &tty_tc); - } -} - -void Hist_Add(field_t *field) -{ - int i; - assert(hist_count <= TTY_HISTORY); - assert(hist_count >= 0); - assert(hist_current >= -1); - assert(hist_current <= hist_count); - // make some room - for (i=TTY_HISTORY-1; i>0; i--) - { - ttyEditLines[i] = ttyEditLines[i-1]; - } - ttyEditLines[0] = *field; - if (hist_count<TTY_HISTORY) - { - hist_count++; - } - hist_current = -1; // re-init -} - -field_t *Hist_Prev( void ) -{ - int hist_prev; - assert(hist_count <= TTY_HISTORY); - assert(hist_count >= 0); - assert(hist_current >= -1); - assert(hist_current <= hist_count); - hist_prev = hist_current + 1; - if (hist_prev >= hist_count) - { - return NULL; - } - hist_current++; - return &(ttyEditLines[hist_current]); -} - -field_t *Hist_Next( void ) -{ - assert(hist_count <= TTY_HISTORY); - assert(hist_count >= 0); - assert(hist_current >= -1); - assert(hist_current <= hist_count); - if (hist_current >= 0) - { - hist_current--; - } - if (hist_current == -1) - { - return NULL; - } - return &(ttyEditLines[hist_current]); -} - -// ============================================================= -// general sys routines -// ============================================================= - -#if 0 -// NOTE TTimo this is not used .. looks interesting though? protection against buffer overflow kind of stuff? -void Sys_Printf (char *fmt, ...) -{ - va_list argptr; - char text[1024]; - unsigned char *p; - - va_start (argptr,fmt); - vsprintf (text,fmt,argptr); - va_end (argptr); - - if (strlen(text) > sizeof(text)) - Sys_Error("memory overwrite in Sys_Printf"); - - for (p = (unsigned char *)text; *p; p++) - { - *p &= 0x7f; - if ((*p > 128 || *p < 32) && *p != 10 && *p != 13 && *p != 9) - printf("[%02x]", *p); - else - putc(*p, stdout); - } -} -#endif - -// single exit point (regular exit or in case of signal fault) -void Sys_Exit( int ex ) { - Sys_ConsoleInputShutdown(); - -#ifdef NDEBUG // regular behavior - - // We can't do this - // as long as GL DLL's keep installing with atexit... - //exit(ex); - _exit(ex); -#else - - // Give me a backtrace on error exits. - assert( ex == 0 ); - exit(ex); -#endif -} - - -void Sys_Quit (void) { - CL_Shutdown (); - fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); - Sys_Exit(0); -} - - -#if idppc_altivec && !MACOS_X -/* This is the brute force way of detecting instruction sets... - the code is borrowed from SDL, which got the idea from the libmpeg2 - library - thanks! - */ -#include <signal.h> -#include <setjmp.h> -static jmp_buf jmpbuf; -static void illegal_instruction(int sig) -{ - longjmp(jmpbuf, 1); -} -#endif - -qboolean Sys_DetectAltivec( void ) -{ - qboolean altivec = qfalse; - -#if idppc_altivec - #ifdef MACOS_X - int selectors[2] = { CTL_HW, HW_VECTORUNIT }; - int hasVectorUnit = 0; - size_t length = sizeof(hasVectorUnit); - int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0); - - if( 0 == error ) - altivec = (hasVectorUnit != 0); - #else - void (*handler)(int sig); - handler = signal(SIGILL, illegal_instruction); - if ( setjmp(jmpbuf) == 0 ) { - asm volatile ("mtspr 256, %0\n\t" - "vand %%v0, %%v0, %%v0" - : - : "r" (-1)); - altivec = qtrue; - } - signal(SIGILL, handler); - #endif -#endif - - return altivec; -} - -void Sys_Init(void) -{ - - Cmd_AddCommand ("in_restart", Sys_In_Restart_f); - - Cvar_Set( "arch", OS_STRING " " ARCH_STRING ); - - Cvar_Set( "username", Sys_GetCurrentUser() ); - - //IN_Init(); // rcg08312005 moved into glimp. - -} - -void Sys_Error( const char *error, ...) -{ - va_list argptr; - char string[1024]; - - // change stdin to non blocking - // NOTE TTimo not sure how well that goes with tty console mode - fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY); - - // don't bother do a show on this one heh - if (ttycon_on) - { - tty_Hide(); - } - - CL_Shutdown (); - - va_start (argptr,error); - vsprintf (string,error,argptr); - va_end (argptr); - fprintf(stderr, "Sys_Error: %s\n", string); - - Sys_Exit( 1 ); // bk010104 - use single exit point. -} - -void Sys_Warn (char *warning, ...) -{ - va_list argptr; - char string[1024]; - - va_start (argptr,warning); - vsprintf (string,warning,argptr); - va_end (argptr); - - if (ttycon_on) - { - tty_Hide(); - } - - fprintf(stderr, "Warning: %s", string); - - if (ttycon_on) - { - tty_Show(); - } -} - -/* -============ -Sys_FileTime - -returns -1 if not present -============ -*/ -int Sys_FileTime (char *path) -{ - struct stat buf; - - if (stat (path,&buf) == -1) - return -1; - - return buf.st_mtime; -} - -void floating_point_exception_handler(int whatever) -{ - signal(SIGFPE, floating_point_exception_handler); -} - -// initialize the console input (tty mode if wanted and possible) -void Sys_ConsoleInputInit( void ) -{ - struct termios tc; - - // TTimo - // https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=390 - // ttycon 0 or 1, if the process is backgrounded (running non interactively) - // then SIGTTIN or SIGTOU is emitted, if not catched, turns into a SIGSTP - signal(SIGTTIN, SIG_IGN); - signal(SIGTTOU, SIG_IGN); - - // FIXME TTimo initialize this in Sys_Init or something? - ttycon = Cvar_Get("ttycon", "1", 0); - if (ttycon && ttycon->value) - { - if (isatty(STDIN_FILENO)!=1) - { - Com_Printf("stdin is not a tty, tty console mode failed\n"); - Cvar_Set("ttycon", "0"); - ttycon_on = qfalse; - return; - } - Com_Printf("Started tty console (use +set ttycon 0 to disable)\n"); - Field_Clear(&tty_con); - tcgetattr (0, &tty_tc); - tty_erase = tty_tc.c_cc[VERASE]; - tty_eof = tty_tc.c_cc[VEOF]; - tc = tty_tc; - /* - ECHO: don't echo input characters - ICANON: enable canonical mode. This enables the special - characters EOF, EOL, EOL2, ERASE, KILL, REPRINT, - STATUS, and WERASE, and buffers by lines. - ISIG: when any of the characters INTR, QUIT, SUSP, or - DSUSP are received, generate the corresponding sig - nal - */ - tc.c_lflag &= ~(ECHO | ICANON); - /* - ISTRIP strip off bit 8 - INPCK enable input parity checking - */ - tc.c_iflag &= ~(ISTRIP | INPCK); - tc.c_cc[VMIN] = 1; - tc.c_cc[VTIME] = 0; - tcsetattr (0, TCSADRAIN, &tc); - ttycon_on = qtrue; - - ttycon_ansicolor = Cvar_Get( "ttycon_ansicolor", "0", CVAR_ARCHIVE ); - if( ttycon_ansicolor && ttycon_ansicolor->value ) - { - ttycon_color_on = qtrue; - } - } else - ttycon_on = qfalse; -} - -char *Sys_ConsoleInput(void) -{ - // we use this when sending back commands - static char text[256]; - int avail; - char key; - field_t *history; - - if (ttycon && ttycon->value) - { - avail = read(0, &key, 1); - if (avail != -1) - { - // we have something - // backspace? - // NOTE TTimo testing a lot of values .. seems it's the only way to get it to work everywhere - if ((key == tty_erase) || (key == 127) || (key == 8)) - { - if (tty_con.cursor > 0) - { - tty_con.cursor--; - tty_con.buffer[tty_con.cursor] = '\0'; - tty_Back(); - } - return NULL; - } - // check if this is a control char - if ((key) && (key) < ' ') - { - if (key == '\n') - { - // push it in history - Hist_Add(&tty_con); - strcpy(text, tty_con.buffer); - Field_Clear(&tty_con); - key = '\n'; - write(1, &key, 1); - return text; - } - if (key == '\t') - { - tty_Hide(); - Field_AutoComplete( &tty_con ); - tty_Show(); - return NULL; - } - avail = read(0, &key, 1); - if (avail != -1) - { - // VT 100 keys - if (key == '[' || key == 'O') - { - avail = read(0, &key, 1); - if (avail != -1) - { - switch (key) - { - case 'A': - history = Hist_Prev(); - if (history) - { - tty_Hide(); - tty_con = *history; - tty_Show(); - } - tty_FlushIn(); - return NULL; - break; - case 'B': - history = Hist_Next(); - tty_Hide(); - if (history) - { - tty_con = *history; - } else - { - Field_Clear(&tty_con); - } - tty_Show(); - tty_FlushIn(); - return NULL; - break; - case 'C': - return NULL; - case 'D': - return NULL; - } - } - } - } - Com_DPrintf("droping ISCTL sequence: %d, tty_erase: %d\n", key, tty_erase); - tty_FlushIn(); - return NULL; - } - // push regular character - tty_con.buffer[tty_con.cursor] = key; - tty_con.cursor++; - // print the current line (this is differential) - write(1, &key, 1); - } - return NULL; - } else - { - int len; - fd_set fdset; - struct timeval timeout; - - if (!com_dedicated || !com_dedicated->value) - return NULL; - - if (!stdin_active) - return NULL; - - FD_ZERO(&fdset); - FD_SET(0, &fdset); // stdin - timeout.tv_sec = 0; - timeout.tv_usec = 0; - if (select (1, &fdset, NULL, NULL, &timeout) == -1 || !FD_ISSET(0, &fdset)) - { - return NULL; - } - - len = read (0, text, sizeof(text)); - if (len == 0) - { // eof! - stdin_active = qfalse; - return NULL; - } - - if (len < 1) - return NULL; - text[len-1] = 0; // rip off the /n and terminate - - return text; - } -} - -/*****************************************************************************/ - -char *do_dlerror(void) -{ -#if USE_SDL_VIDEO - return SDL_GetError(); -#else - return dlerror(); -#endif -} - - -/* -================= -Sys_UnloadDll - -================= -*/ -void Sys_UnloadDll( void *dllHandle ) { - // bk001206 - verbose error reporting - if ( !dllHandle ) - { - Com_Printf("Sys_UnloadDll(NULL)\n"); - return; - } - -#if USE_SDL_VIDEO - SDL_UnloadObject(dllHandle); -#else - dlclose( dllHandle ); - { - const char* err; // rb010123 - now const - err = dlerror(); - if ( err != NULL ) - Com_Printf ( "Sys_UnloadGame failed on dlclose: \"%s\"!\n", err ); - } -#endif -} - - -/* -================= -Sys_LoadDll - -Used to load a development dll instead of a virtual machine -TTimo: -changed the load procedure to match VFS logic, and allow developer use -#1 look down current path -#2 look in fs_homepath -#3 look in fs_basepath -================= -*/ - -static void* try_dlopen(const char* base, const char* gamedir, const char* fname, char* fqpath ) -{ - void* libHandle; - char* fn; - - *fqpath = 0; - -// bk001129 - was RTLD_LAZY -#define Q_RTLD RTLD_NOW - - fn = FS_BuildOSPath( base, gamedir, fname ); - Com_Printf( "Sys_LoadDll(%s)... \n", fn ); - -#if USE_SDL_VIDEO - libHandle = SDL_LoadObject(fn); -#else - libHandle = dlopen( fn, Q_RTLD ); -#endif - - if(!libHandle) { - Com_Printf( "Sys_LoadDll(%s) failed:\n\"%s\"\n", fn, do_dlerror() ); - return NULL; - } - - Com_Printf ( "Sys_LoadDll(%s): succeeded ...\n", fn ); - Q_strncpyz ( fqpath , fn , MAX_QPATH ) ; // added 7/20/02 by T.Ray - - return libHandle; -} - -void *Sys_LoadDll( const char *name, char *fqpath , - intptr_t (**entryPoint)(int, ...), - intptr_t (*systemcalls)(intptr_t, ...) ) -{ - void *libHandle; - void (*dllEntry)( intptr_t (*syscallptr)(intptr_t, ...) ); - char curpath[MAX_OSPATH]; - char fname[MAX_OSPATH]; - char *basepath; - char *homepath; - char *pwdpath; - char *cdpath; - char *gamedir; - const char* err = NULL; - - // bk001206 - let's have some paranoia - assert( name ); - - getcwd(curpath, sizeof(curpath)); - snprintf (fname, sizeof(fname), "%s" ARCH_STRING DLL_EXT, name); - - // TODO: use fs_searchpaths from files.c - pwdpath = Sys_Cwd(); - basepath = Cvar_VariableString( "fs_basepath" ); - homepath = Cvar_VariableString( "fs_homepath" ); - cdpath = Cvar_VariableString( "fs_cdpath" ); - gamedir = Cvar_VariableString( "fs_game" ); - - libHandle = try_dlopen(pwdpath, gamedir, fname, fqpath); - - if(!libHandle && homepath) - libHandle = try_dlopen(homepath, gamedir, fname, fqpath); - - if(!libHandle && basepath) - libHandle = try_dlopen(basepath, gamedir, fname, fqpath); - - if(!libHandle && cdpath) - libHandle = try_dlopen(cdpath, gamedir, fname, fqpath); - - if(!libHandle) { -#if 0 // don't abort -- ln -//#ifndef NDEBUG // bk001206 - in debug abort on failure - Com_Error ( ERR_FATAL, "Sys_LoadDll(%s) failed dlopen() completely!\n", name ); -#else - Com_Printf ( "Sys_LoadDll(%s) failed dlopen() completely!\n", name ); -#endif - return NULL; - } - -#if USE_SDL_VIDEO - dllEntry = SDL_LoadFunction( libHandle, "dllEntry" ); - *entryPoint = SDL_LoadFunction( libHandle, "vmMain" ); -#else - dllEntry = dlsym( libHandle, "dllEntry" ); - *entryPoint = dlsym( libHandle, "vmMain" ); -#endif - - if ( !*entryPoint || !dllEntry ) - { - err = do_dlerror(); -#ifndef NDEBUG // bk001206 - in debug abort on failure - Com_Error ( ERR_FATAL, "Sys_LoadDll(%s) failed dlsym(vmMain):\n\"%s\" !\n", name, err ); -#else - Com_Printf ( "Sys_LoadDll(%s) failed dlsym(vmMain):\n\"%s\" !\n", name, err ); -#endif -#if USE_SDL_VIDEO - SDL_UnloadObject(libHandle); -#else - dlclose( libHandle ); - err = do_dlerror(); - if ( err != NULL ) { - Com_Printf ( "Sys_LoadDll(%s) failed dlcose:\n\"%s\"\n", name, err ); - } -#endif - - return NULL; - } - Com_Printf ( "Sys_LoadDll(%s) found **vmMain** at %p \n", name, *entryPoint ); // bk001212 - dllEntry( systemcalls ); - Com_Printf ( "Sys_LoadDll(%s) succeeded!\n", name ); - return libHandle; -} - -/* -======================================================================== - -BACKGROUND FILE STREAMING - -======================================================================== -*/ - -#if 1 - -void Sys_InitStreamThread( void ) { -} - -void Sys_ShutdownStreamThread( void ) { -} - -void Sys_BeginStreamedFile( fileHandle_t f, int readAhead ) { -} - -void Sys_EndStreamedFile( fileHandle_t f ) { -} - -int Sys_StreamedRead( void *buffer, int size, int count, fileHandle_t f ) { - return FS_Read( buffer, size * count, f ); -} - -void Sys_StreamSeek( fileHandle_t f, int offset, int origin ) { - FS_Seek( f, offset, origin ); -} - -#else - -typedef struct -{ - fileHandle_t file; - byte *buffer; - qboolean eof; - int bufferSize; - int streamPosition; // next byte to be returned by Sys_StreamRead - int threadPosition; // next byte to be read from file -} streamState_t; - -streamState_t stream; - -/* -=============== -Sys_StreamThread - -A thread will be sitting in this loop forever -================ -*/ -void Sys_StreamThread( void ) -{ - int buffer; - int count; - int readCount; - int bufferPoint; - int r; - - // if there is any space left in the buffer, fill it up - if ( !stream.eof ) - { - count = stream.bufferSize - (stream.threadPosition - stream.streamPosition); - if ( count ) - { - bufferPoint = stream.threadPosition % stream.bufferSize; - buffer = stream.bufferSize - bufferPoint; - readCount = buffer < count ? buffer : count; - r = FS_Read ( stream.buffer + bufferPoint, readCount, stream.file ); - stream.threadPosition += r; - - if ( r != readCount ) - stream.eof = qtrue; - } - } -} - -/* -=============== -Sys_InitStreamThread - -================ -*/ -void Sys_InitStreamThread( void ) -{ -} - -/* -=============== -Sys_ShutdownStreamThread - -================ -*/ -void Sys_ShutdownStreamThread( void ) -{ -} - - -/* -=============== -Sys_BeginStreamedFile - -================ -*/ -void Sys_BeginStreamedFile( fileHandle_t f, int readAhead ) -{ - if ( stream.file ) - { - Com_Error( ERR_FATAL, "Sys_BeginStreamedFile: unclosed stream"); - } - - stream.file = f; - stream.buffer = Z_Malloc( readAhead ); - stream.bufferSize = readAhead; - stream.streamPosition = 0; - stream.threadPosition = 0; - stream.eof = qfalse; -} - -/* -=============== -Sys_EndStreamedFile - -================ -*/ -void Sys_EndStreamedFile( fileHandle_t f ) -{ - if ( f != stream.file ) - { - Com_Error( ERR_FATAL, "Sys_EndStreamedFile: wrong file"); - } - - stream.file = 0; - Z_Free( stream.buffer ); -} - - -/* -=============== -Sys_StreamedRead - -================ -*/ -int Sys_StreamedRead( void *buffer, int size, int count, fileHandle_t f ) -{ - int available; - int remaining; - int sleepCount; - int copy; - int bufferCount; - int bufferPoint; - byte *dest; - - dest = (byte *)buffer; - remaining = size * count; - - if ( remaining <= 0 ) - { - Com_Error( ERR_FATAL, "Streamed read with non-positive size" ); - } - - sleepCount = 0; - while ( remaining > 0 ) - { - available = stream.threadPosition - stream.streamPosition; - if ( !available ) - { - if (stream.eof) - break; - Sys_StreamThread(); - continue; - } - - bufferPoint = stream.streamPosition % stream.bufferSize; - bufferCount = stream.bufferSize - bufferPoint; - - copy = available < bufferCount ? available : bufferCount; - if ( copy > remaining ) - { - copy = remaining; - } - memcpy( dest, stream.buffer + bufferPoint, copy ); - stream.streamPosition += copy; - dest += copy; - remaining -= copy; - } - - return(count * size - remaining) / size; -} - -/* -=============== -Sys_StreamSeek - -================ -*/ -void Sys_StreamSeek( fileHandle_t f, int offset, int origin ) { - // clear to that point - FS_Seek( f, offset, origin ); - stream.streamPosition = 0; - stream.threadPosition = 0; - stream.eof = qfalse; -} - -#endif - -/* -======================================================================== - -EVENT LOOP - -======================================================================== -*/ - -// bk000306: upped this from 64 -#define MAX_QUED_EVENTS 256 -#define MASK_QUED_EVENTS ( MAX_QUED_EVENTS - 1 ) - -sysEvent_t eventQue[MAX_QUED_EVENTS]; -// bk000306: initialize -int eventHead = 0; -int eventTail = 0; -byte sys_packetReceived[MAX_MSGLEN]; - -/* -================ -Sys_QueEvent - -A time of 0 will get the current time -Ptr should either be null, or point to a block of data that can -be freed by the game later. -================ -*/ -void Sys_QueEvent( int time, sysEventType_t type, int value, int value2, int ptrLength, void *ptr ) { - sysEvent_t *ev; - - ev = &eventQue[ eventHead & MASK_QUED_EVENTS ]; - - // bk000305 - was missing - if ( eventHead - eventTail >= MAX_QUED_EVENTS ) - { - Com_Printf("Sys_QueEvent: overflow\n"); - // we are discarding an event, but don't leak memory - if ( ev->evPtr ) - { - Z_Free( ev->evPtr ); - } - eventTail++; - } - - eventHead++; - - if ( time == 0 ) - { - time = Sys_Milliseconds(); - } - - ev->evTime = time; - ev->evType = type; - ev->evValue = value; - ev->evValue2 = value2; - ev->evPtrLength = ptrLength; - ev->evPtr = ptr; -} - -/* -================ -Sys_GetEvent - -================ -*/ -sysEvent_t Sys_GetEvent( void ) { - sysEvent_t ev; - char *s; - msg_t netmsg; - netadr_t adr; - - // return if we have data - if ( eventHead > eventTail ) - { - eventTail++; - return eventQue[ ( eventTail - 1 ) & MASK_QUED_EVENTS ]; - } - - // pump the message loop - // in vga this calls KBD_Update, under X, it calls GetEvent - Sys_SendKeyEvents (); - - // check for console commands - s = Sys_ConsoleInput(); - if ( s ) - { - char *b; - int len; - - len = strlen( s ) + 1; - b = Z_Malloc( len ); - strcpy( b, s ); - Sys_QueEvent( 0, SE_CONSOLE, 0, 0, len, b ); - } - - // check for other input devices - IN_Frame(); - - // check for network packets - MSG_Init( &netmsg, sys_packetReceived, sizeof( sys_packetReceived ) ); - if ( Sys_GetPacket ( &adr, &netmsg ) ) - { - netadr_t *buf; - int len; - - // copy out to a seperate buffer for qeueing - len = sizeof( netadr_t ) + netmsg.cursize; - buf = Z_Malloc( len ); - *buf = adr; - memcpy( buf+1, netmsg.data, netmsg.cursize ); - Sys_QueEvent( 0, SE_PACKET, 0, 0, len, buf ); - } - - // return if we have data - if ( eventHead > eventTail ) - { - eventTail++; - return eventQue[ ( eventTail - 1 ) & MASK_QUED_EVENTS ]; - } - - // create an empty event to return - - memset( &ev, 0, sizeof( ev ) ); - ev.evTime = Sys_Milliseconds(); - - return ev; -} - -/*****************************************************************************/ - -qboolean Sys_CheckCD( void ) { - return qtrue; -} - -void Sys_AppActivate (void) -{ -} - -char *Sys_GetClipboardData(void) -{ - return NULL; -} - -static struct Q3ToAnsiColorTable_s -{ - char Q3color; - char *ANSIcolor; -} tty_colorTable[ ] = -{ - { COLOR_BLACK, "30" }, - { COLOR_RED, "31" }, - { COLOR_GREEN, "32" }, - { COLOR_YELLOW, "33" }, - { COLOR_BLUE, "34" }, - { COLOR_CYAN, "36" }, - { COLOR_MAGENTA, "35" }, - { COLOR_WHITE, "0" } -}; - -static int tty_colorTableSize = - sizeof( tty_colorTable ) / sizeof( tty_colorTable[ 0 ] ); - -void Sys_ANSIColorify( const char *msg, char *buffer, int bufferSize ) -{ - int msgLength, pos; - int i, j; - char *escapeCode; - char tempBuffer[ 7 ]; - - if( !msg || !buffer ) - return; - - msgLength = strlen( msg ); - pos = 0; - i = 0; - buffer[ 0 ] = '\0'; - - while( i < msgLength ) - { - if( msg[ i ] == '\n' ) - { - Com_sprintf( tempBuffer, 7, "%c[0m\n", 0x1B ); - strncat( buffer, tempBuffer, bufferSize - 1); - i++; - } - else if( msg[ i ] == Q_COLOR_ESCAPE ) - { - i++; - - if( i < msgLength ) - { - escapeCode = NULL; - for( j = 0; j < tty_colorTableSize; j++ ) - { - if( msg[ i ] == tty_colorTable[ j ].Q3color ) - { - escapeCode = tty_colorTable[ j ].ANSIcolor; - break; - } - } - - if( escapeCode ) - { - Com_sprintf( tempBuffer, 7, "%c[%sm", 0x1B, escapeCode ); - strncat( buffer, tempBuffer, bufferSize - 1); - } - - i++; - } - } - else - { - Com_sprintf( tempBuffer, 7, "%c", msg[ i++ ] ); - strncat( buffer, tempBuffer, bufferSize - 1); - } - } -} - -void Sys_Print( const char *msg ) -{ - if (ttycon_on) - { - tty_Hide(); - } - - if( ttycon_on && ttycon_color_on ) - { - char ansiColorString[ MAXPRINTMSG ]; - Sys_ANSIColorify( msg, ansiColorString, MAXPRINTMSG ); - fputs( ansiColorString, stderr ); - } - else - fputs(msg, stderr); - - if (ttycon_on) - { - tty_Show(); - } -} - - -void Sys_ConfigureFPU( void ) { // bk001213 - divide by zero -#ifdef __linux__ -#ifdef __i386 -#ifndef NDEBUG - - // bk0101022 - enable FPE's in debug mode - static int fpu_word = _FPU_DEFAULT & ~(_FPU_MASK_ZM | _FPU_MASK_IM); - int current = 0; - _FPU_GETCW(current); - if ( current!=fpu_word) - { -#if 0 - Com_Printf("FPU Control 0x%x (was 0x%x)\n", fpu_word, current ); - _FPU_SETCW( fpu_word ); - _FPU_GETCW( current ); - assert(fpu_word==current); -#endif - } -#else // NDEBUG - static int fpu_word = _FPU_DEFAULT; - _FPU_SETCW( fpu_word ); -#endif // NDEBUG -#endif // __i386 -#endif // __linux -} - -void Sys_PrintBinVersion( const char* name ) { - char* date = __DATE__; - char* time = __TIME__; - char* sep = "=============================================================="; - fprintf( stdout, "\n\n%s\n", sep ); -#ifdef DEDICATED - fprintf( stdout, "Linux Tremulous Dedicated Server [%s %s]\n", date, time ); -#else - fprintf( stdout, "Linux Tremulous Full Executable [%s %s]\n", date, time ); -#endif - fprintf( stdout, " local install: %s\n", name ); - fprintf( stdout, "%s\n\n", sep ); -} - -/* -================= -Sys_BinName - -This resolves any symlinks to the binary. It's disabled for debug -builds because there are situations where you are likely to want -to symlink to binaries and /not/ have the links resolved. -================= -*/ -char *Sys_BinName( const char *arg0 ) -{ - static char dst[ PATH_MAX ]; - -#ifdef NDEBUG - -#ifdef __linux__ - int n = readlink( "/proc/self/exe", dst, PATH_MAX - 1 ); - - if( n >= 0 && n < PATH_MAX ) - dst[ n ] = '\0'; - else - Q_strncpyz( dst, arg0, PATH_MAX ); -#else -#warning Sys_BinName not implemented - Q_strncpyz( dst, arg0, PATH_MAX ); -#endif - -#else - Q_strncpyz( dst, arg0, PATH_MAX ); -#endif - - return dst; -} - -void Sys_ParseArgs( int argc, char* argv[] ) { - - if ( argc==2 ) - { - if ( (!strcmp( argv[1], "--version" )) - || ( !strcmp( argv[1], "-v" )) ) - { - Sys_PrintBinVersion( Sys_BinName( argv[0] ) ); - Sys_Exit(0); - } - } -} - -#ifdef MACOS_X -/* -================= -Sys_EscapeAppBundle - -Discovers if passed dir is suffixed with the directory structure of a -Mac OS X .app bundle. If it is, the .app directory structure is stripped off -the end and the result is returned. If not, dir is returned untouched. - -================= -*/ -char *Sys_StripAppBundle(char *dir) -{ - static char cwd[MAX_OSPATH]; - - Q_strncpyz(cwd, dir, sizeof(cwd)); - if(strcmp(basename(cwd), "MacOS")) - return dir; - Q_strncpyz(cwd, dirname(cwd), sizeof(cwd)); - if(strcmp(basename(cwd), "Contents")) - return dir; - Q_strncpyz(cwd, dirname(cwd), sizeof(cwd)); - if(!strstr(basename(cwd), ".app")) - return dir; - Q_strncpyz(cwd, dirname(cwd), sizeof(cwd)); - return cwd; -} -#endif /* MACOS_X */ - -#ifndef DEFAULT_BASEDIR - #ifdef MACOS_X - // if run from an .app bundle, we want to also search its containing dir - #define DEFAULT_BASEDIR Sys_StripAppBundle(Sys_DefaultCDPath()) - #else - #define DEFAULT_BASEDIR Sys_DefaultCDPath() - #endif -#endif - -#include "../client/client.h" -extern clientStatic_t cls; - -int main ( int argc, char* argv[] ) -{ - // int oldtime, newtime; // bk001204 - unused - int len, i; - char *cmdline; - char cdpath[PATH_MAX] = {0}; - void Sys_SetDefaultCDPath(const char *path); - - Sys_ParseArgs( argc, argv ); // bk010104 - added this for support - - strncat(cdpath, Sys_BinName( argv[0] ), sizeof(cdpath)-1); - Sys_SetDefaultCDPath(dirname(cdpath)); - - Sys_SetDefaultInstallPath(DEFAULT_BASEDIR); - - // merge the command line, this is kinda silly - for (len = 1, i = 1; i < argc; i++) - len += strlen(argv[i]) + 1; - cmdline = malloc(len); - *cmdline = 0; - for (i = 1; i < argc; i++) - { - if (i > 1) - strcat(cmdline, " "); - strcat(cmdline, argv[i]); - } - - // bk000306 - clear queues - memset( &eventQue[0], 0, MAX_QUED_EVENTS*sizeof(sysEvent_t) ); - memset( &sys_packetReceived[0], 0, MAX_MSGLEN*sizeof(byte) ); - - Com_Init(cmdline); - NET_Init(); - - Sys_ConsoleInputInit(); - - fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY); - -#ifdef DEDICATED - // init here for dedicated, as we don't have GLimp_Init - InitSig(); -#endif - - while (1) - { -#if !defined( DEDICATED ) && USE_SDL_VIDEO - int appState = SDL_GetAppState( ); - - // If we have no input focus at all, sleep a bit - if( !( appState & ( SDL_APPMOUSEFOCUS | SDL_APPINPUTFOCUS ) ) ) - usleep( 16000 ); - - // If we're minimised, sleep a bit more - if( !( appState & SDL_APPACTIVE ) ) - usleep( 32000 ); -#endif - -#ifdef __linux__ - Sys_ConfigureFPU(); -#endif - Com_Frame (); - } - - return 0; -} - |