X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=sys_shared.c;h=3c6b0356698b63bb9bf8007ff6c5c9e8820739da;hp=134b35dcff1f59ae15e12ba1528337c48b01e813;hb=4d34e0a632cbc401712f46e10bb9864438b0881f;hpb=51b444f813d75da83aa1e607a17b9e243d79d210 diff --git a/sys_shared.c b/sys_shared.c index 134b35dc..3c6b0356 100644 --- a/sys_shared.c +++ b/sys_shared.c @@ -1,140 +1,85 @@ +#ifdef WIN32 +# ifndef DONT_USE_SETDLLDIRECTORY +# define _WIN32_WINNT 0x0502 +# endif +#endif #include "quakedef.h" -# include -#ifndef WIN32 +#include "taskqueue.h" +#include "thread.h" + +#define SUPPORTDLL + +#ifdef WIN32 +# include +# include // timeGetTime +# include // localtime +#ifdef _MSC_VER +#pragma comment(lib, "winmm.lib") +#endif +#else +# ifdef __FreeBSD__ +# include +# endif # include # include -# include -#endif - -extern cvar_t timestamps; -extern cvar_t timeformat; - -static int sys_nostdout = false; - -/* The translation table between the graphical font and plain ASCII --KB */ -static char qfont_table[256] = { - '\0', '#', '#', '#', '#', '.', '#', '#', - '#', 9, 10, '#', ' ', 13, '.', '.', - '[', ']', '0', '1', '2', '3', '4', '5', - '6', '7', '8', '9', '.', '<', '=', '>', - ' ', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', - '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', - 'x', 'y', 'z', '{', '|', '}', '~', '<', - - '<', '=', '>', '#', '#', '.', '#', '#', - '#', '#', ' ', '#', ' ', '>', '.', '.', - '[', ']', '0', '1', '2', '3', '4', '5', - '6', '7', '8', '9', '.', '<', '=', '>', - ' ', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', - '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', - 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', - 'x', 'y', 'z', '{', '|', '}', '~', '<' -}; +# include +# include +# ifdef SUPPORTDLL +# include +# endif +#endif static char sys_timestring[128]; char *Sys_TimeString(const char *timeformat) { time_t mytime = time(NULL); +#if _MSC_VER >= 1400 + struct tm mytm; + localtime_s(&mytm, &mytime); + strftime(sys_timestring, sizeof(sys_timestring), timeformat, &mytm); +#else strftime(sys_timestring, sizeof(sys_timestring), timeformat, localtime(&mytime)); +#endif return sys_timestring; } -#define MAXPRINTMSG 16384 - -void Sys_Print(const char *msg) -{ - unsigned char *p; - // String we print - char final[MAXPRINTMSG]; - - if (sys_nostdout) - return; - - if (timestamps.integer) - snprintf(final, sizeof(final), "%s%s", Sys_TimeString(timeformat.string), msg); - else - strlcpy (final, msg, sizeof (final)); - - // LordHavoc: make sure the string is terminated - final[MAXPRINTMSG-1] = 0; - for (p = (unsigned char *) final;*p; p++) - *p = qfont_table[*p]; - Sys_PrintToTerminal(final); -} - -void Sys_Printf(const char *fmt, ...) -{ - va_list argptr; - char msg[MAXPRINTMSG]; // String we started with - - va_start(argptr,fmt); - vsnprintf(msg,sizeof(msg),fmt,argptr); - va_end(argptr); - - Sys_Print(msg); -} - -extern qboolean host_shuttingdown; -void Sys_Quit (void) +void Sys_Quit (int returnvalue) { - host_shuttingdown = true; + // Unlock mutexes because the quit command may jump directly here, causing a deadlock + if ((cmd_local)->cbuf->lock) + Cbuf_Unlock((cmd_local)->cbuf); + SV_UnlockThreadMutex(); + TaskQueue_Frame(true); + + if (Sys_CheckParm("-profilegameonly")) + Sys_AllowProfiling(false); + host.state = host_shutdown; Host_Shutdown(); - exit(0); + exit(returnvalue); } -char engineversion[128]; - -void Sys_Shared_EarlyInit(void) -{ - const char* os; - - Memory_Init (); - - COM_InitArgv(); - COM_InitGameType(); - -#if defined(__linux__) - os = "Linux"; -#elif defined(WIN32) - os = "Windows"; -#elif defined(__NetBSD__) - os = "NetBSD"; -#elif defined(__OpenBSD__) - os = "OpenBSD"; -#else - os = "Unknown"; +#ifdef __cplusplus +extern "C" #endif - snprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring); - -// COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from - if (COM_CheckParm("-nostdout")) - sys_nostdout = 1; +void Sys_AllowProfiling(qbool enable) +{ +#ifdef __ANDROID__ +#ifdef USE_PROFILER + extern void monstartup(const char *libname); + extern void moncleanup(void); + if (enable) + monstartup("libmain.so"); else - Con_Printf("%s\n", engineversion); + moncleanup(); +#endif +#elif (defined(__linux__) && (defined(__GLIBC__) || defined(__GNU_LIBRARY__))) || defined(__FreeBSD__) + extern int moncontrol(int); + moncontrol(enable); +#endif } -void Sys_Shared_LateInit(void) -{ -} /* =============================================================================== @@ -144,46 +89,163 @@ DLL MANAGEMENT =============================================================================== */ -qboolean Sys_LoadLibrary (const char* dllname, dllhandle_t* handle, const dllfunction_t *fcts) +static qbool Sys_LoadDependencyFunctions(dllhandle_t dllhandle, const dllfunction_t *fcts, qbool complain, qbool has_next) +{ + const dllfunction_t *func; + if(dllhandle) + { + for (func = fcts; func && func->name != NULL; func++) + if (!(*func->funcvariable = (void *) Sys_GetProcAddress (dllhandle, func->name))) + { + if(complain) + { + Con_DPrintf (" - missing function \"%s\" - broken library!", func->name); + if(has_next) + Con_DPrintf("\nContinuing with"); + } + goto notfound; + } + return true; + + notfound: + for (func = fcts; func && func->name != NULL; func++) + *func->funcvariable = NULL; + } + return false; +} + +qbool Sys_LoadSelf(dllhandle_t *handle) +{ + dllhandle_t dllhandle = 0; + + if (handle == NULL) + return false; +#ifdef WIN32 + dllhandle = LoadLibrary (NULL); +#else + dllhandle = dlopen (NULL, RTLD_NOW | RTLD_GLOBAL); +#endif + *handle = dllhandle; + return true; +} + +qbool Sys_LoadDependency (const char** dllnames, dllhandle_t* handle, const dllfunction_t *fcts) { +#ifdef SUPPORTDLL const dllfunction_t *func; - dllhandle_t dllhandle; + dllhandle_t dllhandle = 0; + unsigned int i; if (handle == NULL) return false; +#ifndef WIN32 +#ifdef PREFER_PRELOAD + dllhandle = dlopen(NULL, RTLD_LAZY | RTLD_GLOBAL); + if(Sys_LoadDependencyFunctions(dllhandle, fcts, false, false)) + { + Con_DPrintf ("All of %s's functions were already linked in! Not loading dynamically...\n", dllnames[0]); + *handle = dllhandle; + return true; + } + else + Sys_FreeLibrary(&dllhandle); +notfound: +#endif +#endif + // Initializations for (func = fcts; func && func->name != NULL; func++) *func->funcvariable = NULL; - // Load the DLL + // Try every possible name + Con_DPrintf ("Trying to load library..."); + for (i = 0; dllnames[i] != NULL; i++) + { + Con_DPrintf (" \"%s\"", dllnames[i]); #ifdef WIN32 - dllhandle = LoadLibrary (dllname); -#else - dllhandle = dlopen (dllname, RTLD_LAZY); +# ifndef DONT_USE_SETDLLDIRECTORY +# ifdef _WIN64 + SetDllDirectory("bin64"); +# else + SetDllDirectory("bin32"); +# endif +# endif #endif + if(Sys_LoadLibrary(dllnames[i], &dllhandle)) + { + if (Sys_LoadDependencyFunctions(dllhandle, fcts, true, (dllnames[i+1] != NULL) || (strrchr(sys.argv[0], '/')))) + break; + else + Sys_FreeLibrary (&dllhandle); + } + } + + // see if the names can be loaded relative to the executable path + // (this is for Mac OSX which does not check next to the executable) + if (!dllhandle && strrchr(sys.argv[0], '/')) + { + char path[MAX_OSPATH]; + strlcpy(path, sys.argv[0], sizeof(path)); + strrchr(path, '/')[1] = 0; + for (i = 0; dllnames[i] != NULL; i++) + { + char temp[MAX_OSPATH]; + strlcpy(temp, path, sizeof(temp)); + strlcat(temp, dllnames[i], sizeof(temp)); + Con_DPrintf (" \"%s\"", temp); + + if(Sys_LoadLibrary(temp, &dllhandle)) + { + if (Sys_LoadDependencyFunctions(dllhandle, fcts, true, (dllnames[i+1] != NULL) || (strrchr(sys.argv[0], '/')))) + break; + else + Sys_FreeLibrary (&dllhandle); + } + } + } + + // No DLL found if (! dllhandle) { - Con_Printf ("Can't load \"%s\".\n", dllname); + Con_DPrintf(" - failed.\n"); return false; } - // Get the function adresses - for (func = fcts; func && func->name != NULL; func++) - if (!(*func->funcvariable = (void *) Sys_GetProcAddress (dllhandle, func->name))) - { - Con_Printf ("Missing function \"%s\" - broken library!\n", func->name); - Sys_UnloadLibrary (&dllhandle); - return false; - } + Con_DPrintf(" - loaded.\n"); + Con_Printf("Loaded library \"%s\"\n", dllnames[i]); + + *handle = dllhandle; + return true; +#else + return false; +#endif +} + +qbool Sys_LoadLibrary(const char *name, dllhandle_t *handle) +{ + dllhandle_t dllhandle = 0; + + if(handle == NULL) + return false; + +#ifdef SUPPORTDLL +# ifdef WIN32 + dllhandle = LoadLibrary (name); +# else + dllhandle = dlopen (name, RTLD_LAZY | RTLD_GLOBAL); +# endif +#endif + if(!dllhandle) + return false; *handle = dllhandle; - Con_DPrintf("\"%s\" loaded.\n", dllname); return true; } -void Sys_UnloadLibrary (dllhandle_t* handle) +void Sys_FreeLibrary (dllhandle_t* handle) { +#ifdef SUPPORTDLL if (handle == NULL || *handle == NULL) return; @@ -194,14 +256,460 @@ void Sys_UnloadLibrary (dllhandle_t* handle) #endif *handle = NULL; +#endif } void* Sys_GetProcAddress (dllhandle_t handle, const char* name) { +#ifdef SUPPORTDLL #ifdef WIN32 return (void *)GetProcAddress (handle, name); #else return (void *)dlsym (handle, name); #endif +#else + return NULL; +#endif +} + +#ifdef WIN32 +# define HAVE_TIMEGETTIME 1 +# define HAVE_QUERYPERFORMANCECOUNTER 1 +# define HAVE_Sleep 1 +#endif + +#ifndef WIN32 +#if defined(CLOCK_MONOTONIC) || defined(CLOCK_HIRES) +# define HAVE_CLOCKGETTIME 1 +#endif +// FIXME improve this check, manpage hints to DST_NONE +# define HAVE_GETTIMEOFDAY 1 +#endif + +#ifndef WIN32 +// on Win32, select() cannot be used with all three FD list args being NULL according to MSDN +// (so much for POSIX...) +# ifdef FD_SET +# define HAVE_SELECT 1 +# endif +#endif + +#ifndef WIN32 +// FIXME improve this check +# define HAVE_USLEEP 1 +#endif + +// these are referenced elsewhere +cvar_t sys_usenoclockbutbenchmark = {CF_CLIENT | CF_SERVER | CF_ARCHIVE, "sys_usenoclockbutbenchmark", "0", "don't use ANY real timing, and simulate a clock (for benchmarking); the game then runs as fast as possible. Run a QC mod with bots that does some stuff, then does a quit at the end, to benchmark a server. NEVER do this on a public server."}; +cvar_t sys_libdir = {CF_READONLY | CF_CLIENT | CF_SERVER, "sys_libdir", "", "Default engine library directory"}; + +// these are not +static cvar_t sys_debugsleep = {CF_CLIENT | CF_SERVER, "sys_debugsleep", "0", "write requested and attained sleep times to standard output, to be used with gnuplot"}; +static cvar_t sys_usesdlgetticks = {CF_CLIENT | CF_SERVER | CF_ARCHIVE, "sys_usesdlgetticks", "0", "use SDL_GetTicks() timer (less accurate, for debugging)"}; +static cvar_t sys_usesdldelay = {CF_CLIENT | CF_SERVER | CF_ARCHIVE, "sys_usesdldelay", "0", "use SDL_Delay() (less accurate, for debugging)"}; +#if HAVE_QUERYPERFORMANCECOUNTER +static cvar_t sys_usequeryperformancecounter = {CF_CLIENT | CF_SERVER | CF_ARCHIVE, "sys_usequeryperformancecounter", "0", "use windows QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power) for timing rather than timeGetTime function (which has issues on some motherboards)"}; +#endif +#if HAVE_CLOCKGETTIME +static cvar_t sys_useclockgettime = {CF_CLIENT | CF_SERVER | CF_ARCHIVE, "sys_useclockgettime", "1", "use POSIX clock_gettime function (not adjusted by NTP on some older Linux kernels) for timing rather than gettimeofday (which has issues if the system time is stepped by ntpdate, or apparently on some Xen installations)"}; +#endif + +static double benchmark_time; // actually always contains an integer amount of milliseconds, will eventually "overflow" + +/* +================ +Sys_CheckParm + +Returns the position (1 to argc-1) in the program's argument list +where the given parameter apears, or 0 if not present +================ +*/ +int Sys_CheckParm (const char *parm) +{ + int i; + + for (i=1 ; i 0 && (size_t)(n) < sizeof(exenamebuf)) + { + exenamebuf[n] = 0; + return exenamebuf; + } + if(strchr(sys.argv[0], '/')) + return sys.argv[0]; // possibly a relative path + else + return Sys_FindInPATH(sys.argv[0], '/', getenv("PATH"), ':', exenamebuf, sizeof(exenamebuf)); +#endif +} + +void Sys_ProvideSelfFD(void) +{ + if(sys.selffd != -1) + return; + sys.selffd = FS_SysOpenFD(Sys_FindExecutableName(), "rb", false); +} + +// for x86 cpus only... (x64 has SSE2_PRESENT) +#if defined(SSE_POSSIBLE) && !defined(SSE2_PRESENT) +// code from SDL, shortened as we can expect CPUID to work +static int CPUID_Features(void) +{ + int features = 0; +# if (defined(__GNUC__) || defined(__clang__) || defined(__TINYC__)) && defined(__i386__) + __asm__ ( +" movl %%ebx,%%edi\n" +" xorl %%eax,%%eax \n" +" incl %%eax \n" +" cpuid # Get family/model/stepping/features\n" +" movl %%edx,%0 \n" +" movl %%edi,%%ebx\n" + : "=m" (features) + : + : "%eax", "%ecx", "%edx", "%edi" + ); +# elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) + __asm { + xor eax, eax + inc eax + cpuid ; Get family/model/stepping/features + mov features, edx + } +# else +# error SSE_POSSIBLE set but no CPUID implementation +# endif + return features; +} +#endif + +#ifdef SSE_POSSIBLE +qbool Sys_HaveSSE(void) +{ + // COMMANDLINEOPTION: SSE: -nosse disables SSE support and detection + if(Sys_CheckParm("-nosse")) + return false; +#ifdef SSE_PRESENT + return true; +#else + // COMMANDLINEOPTION: SSE: -forcesse enables SSE support and disables detection + if(Sys_CheckParm("-forcesse") || Sys_CheckParm("-forcesse2")) + return true; + if(CPUID_Features() & (1 << 25)) + return true; + return false; +#endif +} + +qbool Sys_HaveSSE2(void) +{ + // COMMANDLINEOPTION: SSE2: -nosse2 disables SSE2 support and detection + if(Sys_CheckParm("-nosse") || Sys_CheckParm("-nosse2")) + return false; +#ifdef SSE2_PRESENT + return true; +#else + // COMMANDLINEOPTION: SSE2: -forcesse2 enables SSE2 support and disables detection + if(Sys_CheckParm("-forcesse2")) + return true; + if((CPUID_Features() & (3 << 25)) == (3 << 25)) // SSE is 1<<25, SSE2 is 1<<26 + return true; + return false; +#endif +} +#endif + +/// called to set process priority for dedicated servers +#if defined(__linux__) +#include +#include + +void Sys_InitProcessNice (void) +{ + struct rlimit lim; + sys.nicepossible = false; + if(Sys_CheckParm("-nonice")) + return; + errno = 0; + sys.nicelevel = getpriority(PRIO_PROCESS, 0); + if(errno) + { + Con_Printf("Kernel does not support reading process priority - cannot use niceness\n"); + return; + } + if(getrlimit(RLIMIT_NICE, &lim)) + { + Con_Printf("Kernel does not support lowering nice level again - cannot use niceness\n"); + return; + } + if(lim.rlim_cur != RLIM_INFINITY && sys.nicelevel < (int) (20 - lim.rlim_cur)) + { + Con_Printf("Current nice level is below the soft limit - cannot use niceness\n"); + return; + } + sys.nicepossible = true; + sys.isnice = false; +} +void Sys_MakeProcessNice (void) +{ + if(!sys.nicepossible) + return; + if(sys.isnice) + return; + Con_DPrintf("Process is becoming 'nice'...\n"); + if(setpriority(PRIO_PROCESS, 0, 19)) + Con_Printf(CON_ERROR "Failed to raise nice level to %d\n", 19); + sys.isnice = true; +} +void Sys_MakeProcessMean (void) +{ + if(!sys.nicepossible) + return; + if(!sys.isnice) + return; + Con_DPrintf("Process is becoming 'mean'...\n"); + if(setpriority(PRIO_PROCESS, 0, sys.nicelevel)) + Con_Printf(CON_ERROR "Failed to lower nice level to %d\n", sys.nicelevel); + sys.isnice = false; +} +#else +void Sys_InitProcessNice (void) +{ +} +void Sys_MakeProcessNice (void) +{ +} +void Sys_MakeProcessMean (void) +{ +} +#endif