#ifndef SYS_H
#define SYS_H
+#include "qtypes.h"
+#include "qdefs.h"
+
+/* Preprocessor macros to identify platform
+ DP_OS_NAME - "friendly" name of the OS, for humans to read
+ DP_OS_STR - "identifier" of the OS, more suited for code to use
+ DP_ARCH_STR - "identifier" of the processor architecture
+ */
+#if defined(__ANDROID__) /* must come first because it also defines linux */
+# define DP_OS_NAME "Android"
+# define DP_OS_STR "android"
+# define USE_GLES2 1
+# define USE_RWOPS 1
+# define LINK_TO_ZLIB 1
+# define LINK_TO_LIBVORBIS 1
+#ifdef USEXMP
+# define LINK_TO_LIBXMP 1 // nyov: if someone can test with the android NDK compiled libxmp?
+#endif
+# define DP_MOBILETOUCH 1
+# define DP_FREETYPE_STATIC 1
+#elif defined(__linux__)
+# define DP_OS_NAME "Linux"
+# define DP_OS_STR "linux"
+#elif defined(_WIN64)
+# define DP_OS_NAME "Windows64"
+# define DP_OS_STR "win64"
+#elif defined(WIN32)
+# define DP_OS_NAME "Windows"
+# define DP_OS_STR "win32"
+#elif defined(__FreeBSD__)
+# define DP_OS_NAME "FreeBSD"
+# define DP_OS_STR "freebsd"
+#elif defined(__NetBSD__)
+# define DP_OS_NAME "NetBSD"
+# define DP_OS_STR "netbsd"
+#elif defined(__OpenBSD__)
+# define DP_OS_NAME "OpenBSD"
+# define DP_OS_STR "openbsd"
+#elif defined(__DragonFly__)
+# define DP_OS_NAME "DragonFlyBSD"
+# define DP_OS_STR "dragonflybsd"
+#elif defined(__APPLE__)
+# if TARGET_OS_IPHONE
+# define DP_OS_NAME "iOS"
+# define DP_OS_STR "ios"
+# define USE_GLES2 1
+# define LINK_TO_ZLIB 1
+# define LINK_TO_LIBVORBIS 1
+# define DP_MOBILETOUCH 1
+# define DP_FREETYPE_STATIC 1
+# elif TARGET_OS_MAC
+# define DP_OS_NAME "macOS"
+# define DP_OS_STR "macos"
+# endif
+#elif defined(__MORPHOS__)
+# define DP_OS_NAME "MorphOS"
+# define DP_OS_STR "morphos"
+#elif defined (sun) || defined (__sun)
+# if defined (__SVR4) || defined (__svr4__)
+# define DP_OS_NAME "Solaris"
+# define DP_OS_STR "solaris"
+# else
+# define DP_OS_NAME "SunOS"
+# define DP_OS_STR "sunos"
+# endif
+#else
+# define DP_OS_NAME "Unknown"
+# define DP_OS_STR "unknown"
+#endif
+
+#if defined(__GNUC__) || (__clang__)
+# if defined(__i386__)
+# define DP_ARCH_STR "686"
+# define SSE_POSSIBLE
+# ifdef __SSE__
+# define SSE_PRESENT
+# endif
+# ifdef __SSE2__
+# define SSE2_PRESENT
+# endif
+# elif defined(__x86_64__)
+# define DP_ARCH_STR "x86_64"
+# define SSE_PRESENT
+# define SSE2_PRESENT
+# elif defined(__powerpc__)
+# define DP_ARCH_STR "ppc"
+# endif
+#elif defined(_WIN64)
+# define DP_ARCH_STR "x86_64"
+# define SSE_PRESENT
+# define SSE2_PRESENT
+#elif defined(WIN32)
+# define DP_ARCH_STR "x86"
+# define SSE_POSSIBLE
+#endif
+
+#ifdef SSE_PRESENT
+# define SSE_POSSIBLE
+#endif
+
+#ifdef NO_SSE
+# undef SSE_PRESENT
+# undef SSE_POSSIBLE
+# undef SSE2_PRESENT
+#endif
+
+#ifdef SSE_POSSIBLE
+// runtime detection of SSE/SSE2 capabilities for x86
+qbool Sys_HaveSSE(void);
+qbool Sys_HaveSSE2(void);
+#else
+#define Sys_HaveSSE() false
+#define Sys_HaveSSE2() false
+#endif
+
+typedef struct sys_s
+{
+ int argc;
+ const char **argv;
+ int selffd;
+ int outfd;
+ int nicelevel;
+ qbool nicepossible;
+ qbool isnice;
+} sys_t;
+
+extern sys_t sys;
+
//
// DLL management
typedef void* dllhandle_t;
#endif
-typedef struct
+typedef struct dllfunction_s
{
const char *name;
void **funcvariable;
}
dllfunction_t;
-qboolean Sys_LoadLibrary (const char* dllname, dllhandle_t* handle, const dllfunction_t *fcts);
-void Sys_UnloadLibrary (dllhandle_t* handle);
+qbool Sys_LoadSelf(dllhandle_t *handle);
+
+/*! Loads a dependency library.
+ * \param dllnames a NULL terminated array of possible names for the DLL you want to load.
+ * \param handle
+ * \param fcts
+ */
+qbool Sys_LoadDependency (const char** dllnames, dllhandle_t* handle, const dllfunction_t *fcts);
+
+/*! Loads a library.
+ * \param name a string of the library filename
+ * \param handle
+ * \return true if library was loaded successfully
+ */
+qbool Sys_LoadLibrary(const char *name, dllhandle_t *handle);
+
+void Sys_FreeLibrary (dllhandle_t* handle);
void* Sys_GetProcAddress (dllhandle_t handle, const char* name);
-void Sys_Print(const char *msg);
-void Sys_Printf(const char *fmt, ...);
-// send text to the quake console (and possibly to terminal)
+int Sys_CheckParm (const char *parm);
+
+/// called after command system is initialized but before first Con_Print
+void Sys_Init_Commands (void);
-// called after Com_InitArgv
-void Sys_Shared_EarlyInit (void);
-// called after Host_init
-void Sys_Shared_LateInit (void);
-// returns current timestamp
+/// \returns current timestamp
char *Sys_TimeString(const char *timeformat);
//
// system IO interface (these are the sys functions that need to be implemented in a new driver atm)
//
-void Sys_Error (const char *error, ...);
-// an error will cause the entire program to exit
-void Sys_PrintToTerminal(const char *text);
-// (may) output text to terminal which launched program
+/// an error will cause the entire program to exit
+void Sys_Error (const char *error, ...) DP_FUNC_PRINTF(1) DP_FUNC_NORETURN;
+
+/// (may) output text to terminal which launched program
+void Sys_Print(const char *text);
+void Sys_Printf(const char *fmt, ...);
+
+/// INFO: This is only called by Host_Shutdown so we dont need testing for recursion
+void Sys_Shutdown (void);
+void Sys_Quit (int returnvalue);
+
+/*! on some build/platform combinations (such as Linux gcc with the -pg
+ * profiling option) this can turn on/off profiling, used primarily to limit
+ * profiling to certain areas of the code, such as ingame performance without
+ * regard for loading/shutdown performance (-profilegameonly on commandline)
+ */
+#ifdef __cplusplus
+extern "C"
+#endif
+void Sys_AllowProfiling (qbool enable);
+
+typedef struct sys_cleantime_s
+{
+ double dirtytime; // last value gotten from Sys_DirtyTime()
+ double cleantime; // sanitized linearly increasing time since app start
+}
+sys_cleantime_t;
-void Sys_Shutdown (void); //INFO: This is only called by Host_Shutdown so we dont need testing for recursion
-void Sys_Quit (void);
+double Sys_DirtyTime(void);
-double Sys_DoubleTime (void);
+void Sys_ProvideSelfFD (void);
char *Sys_ConsoleInput (void);
-void Sys_Sleep(int milliseconds);
-// called to yield for a little bit so as
-// not to hog cpu when paused or debugging
+/// called to yield for a little bit so as not to hog cpu when paused or debugging
+double Sys_Sleep(double time);
-void Sys_SendKeyEvents (void);
-// Perform Key_Event () callbacks until the input que is empty
+/// Perform Key_Event () callbacks until the input que is empty
+void Sys_SDL_HandleEvents(void);
char *Sys_GetClipboardData (void);
+extern qbool sys_supportsdlgetticks;
+unsigned int Sys_SDL_GetTicks (void); // wrapper to call SDL_GetTicks
+void Sys_SDL_Delay (unsigned int milliseconds); // wrapper to call SDL_Delay
+
+/// called to set process priority for dedicated servers
+void Sys_InitProcessNice (void);
+void Sys_MakeProcessNice (void);
+void Sys_MakeProcessMean (void);
+
#endif