+#ifdef WIN32
+# ifndef DONT_USE_SETDLLDIRECTORY
+# define _WIN32_WINNT 0x0502
+# endif
+#endif
-#include "quakedef.h"
-# include <time.h>
-#ifndef WIN32
+#define SUPPORTDLL
+
+#ifdef WIN32
+# include <windows.h>
+# include <mmsystem.h> // timeGetTime
+# include <time.h> // localtime
+# include <conio.h> // _kbhit, _getch, _putch
+# include <io.h> // write; Include this BEFORE darkplaces.h because it uses strncpy which trips DP_STATIC_ASSERT
+#ifdef _MSC_VER
+#pragma comment(lib, "winmm.lib")
+#endif
+#else
+# ifdef __FreeBSD__
+# include <sys/sysctl.h>
+# endif
+# ifdef __ANDROID__
+# include <android/log.h>
+# endif
# include <unistd.h>
# include <fcntl.h>
-# include <dlfcn.h>
-#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 <sys/time.h>
+# include <time.h>
+# ifdef SUPPORTDLL
+# include <dlfcn.h>
+# endif
+#endif
+
+#include <signal.h>
+
+#include "quakedef.h"
+#include "taskqueue.h"
+#include "thread.h"
+#include "libcurl.h"
+
+#ifdef WIN32
+ // Microsoft's compiler complains about portable code
+ #pragma warning(disable : 4996)
+#endif
+
+sys_t sys;
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)
+void Sys_Quit (int returnvalue)
{
- 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));
+ // 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);
- // 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
+ if (Sys_CheckParm("-profilegameonly"))
+ Sys_AllowProfiling(false);
+ host.state = host_shutdown;
+ Host_Shutdown();
- va_start(argptr,fmt);
- vsnprintf(msg,sizeof(msg),fmt,argptr);
- va_end(argptr);
+#ifdef __ANDROID__
+ Sys_AllowProfiling(false);
+#endif
- Sys_Print(msg);
-}
+#ifndef WIN32
+ fcntl(fileno(stdout), F_SETFL, fcntl(fileno(stdout), F_GETFL, 0) & ~O_NONBLOCK);
+ fcntl(fileno(stderr), F_SETFL, fcntl(fileno(stderr), F_GETFL, 0) & ~O_NONBLOCK);
+#endif
+ fflush(stdout);
+ fflush(stderr);
-extern qboolean host_shuttingdown;
-void Sys_Quit (void)
-{
- host_shuttingdown = true;
- Host_Shutdown();
- exit(0);
+ exit(returnvalue);
}
-char engineversion[128];
-
-void Sys_Shared_EarlyInit(void)
+#ifdef __cplusplus
+extern "C"
+#endif
+void Sys_AllowProfiling(qbool enable)
{
- const char* os;
-
- Memory_Init ();
-
- COM_InitArgv();
- COM_InitGameType();
-
-#if defined(__linux__)
- os = "Linux";
-#elif defined(WIN32)
- os = "Windows";
-#elif defined(__FreeBSD__)
- os = "FreeBSD";
-#elif defined(__NetBSD__)
- os = "NetBSD";
-#elif defined(__OpenBSD__)
- os = "OpenBSD";
-#else
- os = "Unknown";
-#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;
+#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)
-{
-}
/*
===============================================================================
===============================================================================
*/
-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;
- dllhandle_t dllhandle;
+ 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 = 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];
+ dp_strlcpy(path, sys.argv[0], sizeof(path));
+ strrchr(path, '/')[1] = 0;
+ for (i = 0; dllnames[i] != NULL; i++)
+ {
+ char temp[MAX_OSPATH];
+ dp_strlcpy(temp, path, sizeof(temp));
+ dp_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;
#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
+
+#ifdef FD_SET
+# define HAVE_SELECT 1
+#endif
+
+#ifndef WIN32
+// FIXME improve this check
+# define HAVE_USLEEP 1
+#endif
+
+// these are referenced elsewhere
+cvar_t sys_usenoclockbutbenchmark = {CF_SHARED, "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_SHARED, "sys_libdir", "", "Default engine library directory"};
+
+// these are not
+static cvar_t sys_debugsleep = {CF_SHARED, "sys_debugsleep", "0", "write requested and attained sleep times to standard output, to be used with gnuplot"};
+static cvar_t sys_usesdlgetticks = {CF_SHARED, "sys_usesdlgetticks", "0", "use SDL_GetTicks() timer (less accurate, for debugging)"};
+static cvar_t sys_usesdldelay = {CF_SHARED, "sys_usesdldelay", "0", "use SDL_Delay() (less accurate, for debugging)"};
+#if HAVE_QUERYPERFORMANCECOUNTER
+static cvar_t sys_usequeryperformancecounter = {CF_SHARED | 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_SHARED | 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 cvar_t sys_stdout = {CF_SHARED, "sys_stdout", "1", "0: nothing is written to stdout (-nostdout cmdline option sets this), 1: normal messages are written to stdout, 2: normal messages are written to stderr (-stderr cmdline option sets this)"};
+#ifndef WIN32
+static cvar_t sys_stdout_blocks = {CF_SHARED, "sys_stdout_blocks", "0", "1: writes to stdout and stderr streams will block (causing a stutter or complete halt) if the buffer is full, ensuring no messages are lost at a price"};
+#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<sys.argc ; i++)
+ {
+ if (!sys.argv[i])
+ continue; // NEXTSTEP sometimes clears appkit vars.
+ if (!strcmp (parm,sys.argv[i]))
+ return i;
+ }
+
+ return 0;
+}
+
+static void Sys_UpdateOutFD_c(cvar_t *var)
+{
+ switch (sys_stdout.integer)
+ {
+ case 0: sys.outfd = -1; break;
+ default:
+ case 1: sys.outfd = fileno(stdout); break;
+ case 2: sys.outfd = fileno(stderr); break;
+ }
+}
+
+void Sys_Init_Commands (void)
+{
+ Cvar_RegisterVariable(&sys_debugsleep);
+ Cvar_RegisterVariable(&sys_usenoclockbutbenchmark);
+ Cvar_RegisterVariable(&sys_libdir);
+#if HAVE_TIMEGETTIME || HAVE_QUERYPERFORMANCECOUNTER || HAVE_CLOCKGETTIME || HAVE_GETTIMEOFDAY
+ if(sys_supportsdlgetticks)
+ {
+ Cvar_RegisterVariable(&sys_usesdlgetticks);
+ Cvar_RegisterVariable(&sys_usesdldelay);
+ }
+#endif
+#if HAVE_QUERYPERFORMANCECOUNTER
+ Cvar_RegisterVariable(&sys_usequeryperformancecounter);
+#endif
+#if HAVE_CLOCKGETTIME
+ Cvar_RegisterVariable(&sys_useclockgettime);
+#endif
+ Cvar_RegisterVariable(&sys_stdout);
+ Cvar_RegisterCallback(&sys_stdout, Sys_UpdateOutFD_c);
+#ifndef WIN32
+ Cvar_RegisterVariable(&sys_stdout_blocks);
+#endif
+}
+
+double Sys_DirtyTime(void)
+{
+ // first all the OPTIONAL timers
+
+ // benchmark timer (fake clock)
+ if(sys_usenoclockbutbenchmark.integer)
+ {
+ double old_benchmark_time = benchmark_time;
+ benchmark_time += 1;
+ if(benchmark_time == old_benchmark_time)
+ Sys_Error("sys_usenoclockbutbenchmark cannot run any longer, sorry");
+ return benchmark_time * 0.000001;
+ }
+#if HAVE_QUERYPERFORMANCECOUNTER
+ if (sys_usequeryperformancecounter.integer)
+ {
+ // LadyHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
+ // QueryPerformanceCounter
+ // platform:
+ // Windows 95/98/ME/NT/2000/XP
+ // features:
+ // very accurate (CPU cycles)
+ // known issues:
+ // does not necessarily match realtime too well (tends to get faster and faster in win98)
+ // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
+ double timescale;
+ LARGE_INTEGER PerformanceFreq;
+ LARGE_INTEGER PerformanceCount;
+
+ if (QueryPerformanceFrequency (&PerformanceFreq))
+ {
+ QueryPerformanceCounter (&PerformanceCount);
+
+ timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
+ return ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
+ }
+ else
+ {
+ Con_Printf("No hardware timer available\n");
+ // fall back to other clock sources
+ Cvar_SetValueQuick(&sys_usequeryperformancecounter, false);
+ }
+ }
+#endif
+
+#if HAVE_CLOCKGETTIME
+ if (sys_useclockgettime.integer)
+ {
+ struct timespec ts;
+# ifdef CLOCK_MONOTONIC
+ // linux
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+# else
+ // sunos
+ clock_gettime(CLOCK_HIGHRES, &ts);
+# endif
+ return (double) ts.tv_sec + ts.tv_nsec / 1000000000.0;
+ }
+#endif
+
+ // now all the FALLBACK timers
+ if(sys_supportsdlgetticks && sys_usesdlgetticks.integer)
+ return (double) Sys_SDL_GetTicks() / 1000.0;
+#if HAVE_GETTIMEOFDAY
+ {
+ struct timeval tp;
+ gettimeofday(&tp, NULL);
+ return (double) tp.tv_sec + tp.tv_usec / 1000000.0;
+ }
+#elif HAVE_TIMEGETTIME
+ {
+ static int firsttimegettime = true;
+ // timeGetTime
+ // platform:
+ // Windows 95/98/ME/NT/2000/XP
+ // features:
+ // reasonable accuracy (millisecond)
+ // issues:
+ // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter)
+
+ // make sure the timer is high precision, otherwise different versions of windows have varying accuracy
+ if (firsttimegettime)
+ {
+ timeBeginPeriod(1);
+ firsttimegettime = false;
+ }
+
+ return (double) timeGetTime() / 1000.0;
+ }
+#else
+ // fallback for using the SDL timer if no other timer is available
+ // this calls Sys_Error() if not linking against SDL
+ return (double) Sys_SDL_GetTicks() / 1000.0;
+#endif
+}
+
+extern cvar_t host_maxwait;
+double Sys_Sleep(double time)
+{
+ double dt;
+ uint32_t microseconds;
+
+ // convert to microseconds
+ time *= 1000000.0;
+
+ if(host_maxwait.value <= 0)
+ time = min(time, 1000000.0);
+ else
+ time = min(time, host_maxwait.value * 1000.0);
+
+ if (time < 1 || host.restless)
+ return 0; // not sleeping this frame
+
+ microseconds = time; // post-validation to prevent overflow
+
+ if(sys_usenoclockbutbenchmark.integer)
+ {
+ double old_benchmark_time = benchmark_time;
+ benchmark_time += microseconds;
+ if(benchmark_time == old_benchmark_time)
+ Sys_Error("sys_usenoclockbutbenchmark cannot run any longer, sorry");
+ return 0;
+ }
+
+ if(sys_debugsleep.integer)
+ Con_Printf("sys_debugsleep: requesting %u ", microseconds);
+ dt = Sys_DirtyTime();
+
+ // less important on newer libcurl so no need to disturb dedicated servers
+ if (cls.state != ca_dedicated && Curl_Select(microseconds))
+ {
+ // a transfer is ready or we finished sleeping
+ }
+ else if(sys_supportsdlgetticks && sys_usesdldelay.integer)
+ Sys_SDL_Delay(microseconds / 1000);
+#if HAVE_SELECT
+ else
+ {
+ struct timeval tv;
+ lhnetsocket_t *s;
+ fd_set fdreadset;
+ int lastfd = -1;
+
+ FD_ZERO(&fdreadset);
+ if (cls.state == ca_dedicated && sv_checkforpacketsduringsleep.integer)
+ {
+ List_For_Each_Entry(s, &lhnet_socketlist.list, lhnetsocket_t, list)
+ {
+ if (s->address.addresstype == LHNETADDRESSTYPE_INET4 || s->address.addresstype == LHNETADDRESSTYPE_INET6)
+ {
+ if (lastfd < s->inetsocket)
+ lastfd = s->inetsocket;
+ #if defined(WIN32) && !defined(_MSC_VER)
+ FD_SET((int)s->inetsocket, &fdreadset);
+ #else
+ FD_SET((unsigned int)s->inetsocket, &fdreadset);
+ #endif
+ }
+ }
+ }
+ tv.tv_sec = microseconds / 1000000;
+ tv.tv_usec = microseconds % 1000000;
+ // on Win32, select() cannot be used with all three FD list args being NULL according to MSDN
+ // (so much for POSIX...)
+ // bones_was_here: but a zeroed fd_set seems to be tolerated (tested on Win 7)
+ select(lastfd + 1, &fdreadset, NULL, NULL, &tv);
+ }
+#elif HAVE_USLEEP
+ else
+ usleep(microseconds);
+#elif HAVE_Sleep
+ else
+ Sleep(microseconds / 1000);
+#else
+ else
+ Sys_SDL_Delay(microseconds / 1000);
+#endif
+
+ dt = Sys_DirtyTime() - dt;
+ if(sys_debugsleep.integer)
+ Con_Printf(" got %u oversleep %d\n", (unsigned int)(dt * 1000000), (unsigned int)(dt * 1000000) - microseconds);
+ return (dt < 0 || dt >= 1800) ? 0 : dt;
+}
+
+
+/*
+===============================================================================
+
+STDIO
+
+===============================================================================
+*/
+
+void Sys_Print(const char *text)
+{
+#ifdef __ANDROID__
+ if (developer.integer > 0)
+ {
+ __android_log_write(ANDROID_LOG_DEBUG, sys.argv[0], text);
+ }
+#else
+ if(sys.outfd < 0)
+ return;
+ #ifndef WIN32
+ // BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0).
+ // this is because both go to /dev/tty by default!
+ {
+ int origflags = fcntl(sys.outfd, F_GETFL, 0);
+ if (sys_stdout_blocks.integer)
+ fcntl(sys.outfd, F_SETFL, origflags & ~O_NONBLOCK);
+ #else
+ #define write _write
+ #endif
+ while(*text)
+ {
+ fs_offset_t written = (fs_offset_t)write(sys.outfd, text, (int)strlen(text));
+ if(written <= 0)
+ break; // sorry, I cannot do anything about this error - without an output
+ text += written;
+ }
+ #ifndef WIN32
+ if (sys_stdout_blocks.integer)
+ fcntl(sys.outfd, F_SETFL, origflags);
+ }
+ #endif
+ //fprintf(stdout, "%s", text);
+#endif
+}
+
+/// for the console to report failures inside Con_Printf()
+void Sys_Printf(const char *fmt, ...)
+{
+ va_list argptr;
+ char msg[MAX_INPUTLINE];
+
+ va_start(argptr,fmt);
+ dpvsnprintf(msg,sizeof(msg),fmt,argptr);
+ va_end(argptr);
+
+ Sys_Print(msg);
+}
+
+/// Reads a line from POSIX stdin or the Windows console
+char *Sys_ConsoleInput(void)
+{
+ static char text[MAX_INPUTLINE];
+#ifdef WIN32
+ static unsigned int len = 0;
+ int c;
+
+ // read a line out
+ while (_kbhit ())
+ {
+ c = _getch ();
+ if (c == '\r')
+ {
+ text[len] = '\0';
+ _putch ('\n');
+ len = 0;
+ return text;
+ }
+ if (c == '\b')
+ {
+ if (len)
+ {
+ _putch (c);
+ _putch (' ');
+ _putch (c);
+ len--;
+ }
+ continue;
+ }
+ if (len < sizeof (text) - 1)
+ {
+ _putch (c);
+ text[len] = c;
+ len++;
+ }
+ }
+#else
+ fd_set fdset;
+ struct timeval timeout = { .tv_sec = 0, .tv_usec = 0 };
+
+ FD_ZERO(&fdset);
+ FD_SET(fileno(stdin), &fdset);
+ if (select(1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(fileno(stdin), &fdset))
+ return fgets(text, sizeof(text), stdin);
+#endif
+ return NULL;
+}
+
+
+/*
+===============================================================================
+
+Startup and Shutdown
+
+===============================================================================
+*/
+
+void Sys_Error (const char *error, ...)
+{
+ va_list argptr;
+ char string[MAX_INPUTLINE];
+
+ // set output to blocking stderr
+ sys.outfd = fileno(stderr);
+#ifndef WIN32
+ fcntl(sys.outfd, F_SETFL, fcntl(sys.outfd, F_GETFL, 0) & ~O_NONBLOCK);
+#endif
+
+ va_start (argptr,error);
+ dpvsnprintf (string, sizeof (string), error, argptr);
+ va_end (argptr);
+
+ Con_Printf(CON_ERROR "Engine Error: %s\n", string);
+
+ // don't want a dead window left blocking the OS UI or the crash dialog
+ Host_Shutdown();
+
+ Sys_SDL_Dialog("Engine Error", string);
+
+ fflush(stderr);
+
+ exit (1);
+}
+
+#ifndef WIN32
+static const char *Sys_FindInPATH(const char *name, char namesep, const char *PATH, char pathsep, char *buf, size_t bufsize)
+{
+ const char *p = PATH;
+ const char *q;
+ if(p && name)
+ {
+ while((q = strchr(p, ':')))
+ {
+ dpsnprintf(buf, bufsize, "%.*s%c%s", (int)(q-p), p, namesep, name);
+ if(FS_SysFileExists(buf))
+ return buf;
+ p = q + 1;
+ }
+ if(!q) // none found - try the last item
+ {
+ dpsnprintf(buf, bufsize, "%s%c%s", p, namesep, name);
+ if(FS_SysFileExists(buf))
+ return buf;
+ }
+ }
+ return name;
+}
+#endif
+
+static const char *Sys_FindExecutableName(void)
+{
+#if defined(WIN32)
+ return sys.argv[0];
+#else
+ static char exenamebuf[MAX_OSPATH+1];
+ ssize_t n = -1;
+#if defined(__FreeBSD__)
+ int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+ size_t exenamebuflen = sizeof(exenamebuf)-1;
+ if (sysctl(mib, 4, exenamebuf, &exenamebuflen, NULL, 0) == 0)
+ {
+ n = exenamebuflen;
+ }
+#elif defined(__linux__)
+ n = readlink("/proc/self/exe", exenamebuf, sizeof(exenamebuf)-1);
+#endif
+ if(n > 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 <sys/resource.h>
+#include <errno.h>
+
+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
+
+/** Halt and try not to catch fire.
+ * Writing to any file could corrupt it,
+ * any uneccessary code could crash while we crash.
+ * No malloc() (libgcc should be loaded already) or Con_Printf() allowed here.
+ */
+static void Sys_HandleCrash(int sig)
+{
+#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
+ // Before doing anything else grab the stack frame addresses
+ #include <execinfo.h>
+ void *stackframes[32];
+ int framecount = backtrace(stackframes, 32);
+#endif
+
+ // Windows doesn't have strsignal()
+ const char *sigdesc;
+ switch (sig)
+ {
+#ifndef WIN32 // or SIGBUS
+ case SIGBUS: sigdesc = "Bus error"; break;
+#endif
+ case SIGILL: sigdesc = "Illegal instruction"; break;
+ case SIGABRT: sigdesc = "Aborted"; break;
+ case SIGFPE: sigdesc = "Floating point exception"; break;
+ case SIGSEGV: sigdesc = "Segmentation fault"; break;
+ default: sigdesc = "Yo dawg, we hit a bug while hitting a bug";
+ }
+
+ // set output to blocking stderr
+ sys.outfd = fileno(stderr);
+#ifndef WIN32
+ fcntl(sys.outfd, F_SETFL, fcntl(sys.outfd, F_GETFL, 0) & ~O_NONBLOCK);
+#endif
+
+ fprintf(stderr, "\n\n\e[1;37;41m Engine Crash: %s (%d) \e[m\n", sigdesc, sig);
+#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
+ // the first two addresses will be in this function and in signal() in libc
+ backtrace_symbols_fd(stackframes + 2, framecount - 2, sys.outfd);
+#endif
+ fprintf(stderr, "\e[1m%s\e[m\n", engineversion);
+
+ // DP8 TODO: send a disconnect message indicating we crashed, see CL_DisconnectEx()
+
+ // don't want a dead window left blocking the OS UI or the crash dialog
+ VID_Shutdown();
+ S_StopAllSounds();
+
+ Sys_SDL_Dialog("Engine Crash", sigdesc);
+
+ fflush(stderr);
+
+ exit (sig);
+}
+
+static void Sys_HandleSignal(int sig)
+{
+#ifdef WIN32
+ // Windows users will likely never see this so no point replicating strsignal()
+ Con_Printf("\nReceived signal %d, exiting...\n", sig);
+#else
+ Con_Printf("\nReceived %s signal (%d), exiting...\n", strsignal(sig), sig);
+#endif
+ host.state = host_shutdown;
+}
+
+/// SDL2 only handles SIGINT and SIGTERM by default and doesn't log anything
+static void Sys_InitSignals(void)
+{
+// Windows docs say its signal() only accepts these ones
+ signal(SIGABRT, Sys_HandleCrash);
+ signal(SIGFPE, Sys_HandleCrash);
+ signal(SIGILL, Sys_HandleCrash);
+ signal(SIGINT, Sys_HandleSignal);
+ signal(SIGSEGV, Sys_HandleCrash);
+ signal(SIGTERM, Sys_HandleSignal);
+#ifndef WIN32
+ signal(SIGHUP, Sys_HandleSignal);
+ signal(SIGQUIT, Sys_HandleSignal);
+ signal(SIGBUS, Sys_HandleCrash);
+ signal(SIGPIPE, Sys_HandleSignal);
+#endif
}
+int main (int argc, char **argv)
+{
+ sys.argc = argc;
+ sys.argv = (const char **)argv;
+
+ // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
+ // COMMANDLINEOPTION: -noterminal disables console output on stdout
+ if(Sys_CheckParm("-noterminal") || Sys_CheckParm("-nostdout"))
+ sys_stdout.string = "0";
+ // COMMANDLINEOPTION: -stderr moves console output to stderr
+ else if(Sys_CheckParm("-stderr"))
+ sys_stdout.string = "2";
+ // too early for Cvar_SetQuick
+ sys_stdout.value = sys_stdout.integer = atoi(sys_stdout.string);
+ Sys_UpdateOutFD_c(&sys_stdout);
+#ifndef WIN32
+ fcntl(fileno(stdin), F_SETFL, fcntl(fileno(stdin), F_GETFL, 0) | O_NONBLOCK);
+ // stdout/stderr will be set to blocking in Sys_Print() if so configured, or during a fatal error.
+ fcntl(fileno(stdout), F_SETFL, fcntl(fileno(stdout), F_GETFL, 0) | O_NONBLOCK);
+ fcntl(fileno(stderr), F_SETFL, fcntl(fileno(stderr), F_GETFL, 0) | O_NONBLOCK);
+#endif
+
+ sys.selffd = -1;
+ Sys_ProvideSelfFD(); // may call Con_Printf() so must be after sys.outfd is set
+
+#ifdef __ANDROID__
+ Sys_AllowProfiling(true);
+#endif
+
+ Sys_InitSignals();
+
+ Host_Main();
+
+ Sys_Quit(0);
+
+ return 0;
+}
projects / xonotic / darkplaces.git / blobdiff