2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // sys.h -- non-portable functions
32 qboolean nicepossible;
38 extern cvar_t sys_usenoclockbutbenchmark;
47 typedef HMODULE dllhandle_t;
51 typedef void* dllhandle_t;
54 typedef struct dllfunction_s
62 * \param dllnames a NULL terminated array of possible names for the DLL you want to load.
66 qboolean Sys_LoadLibrary (const char** dllnames, dllhandle_t* handle, const dllfunction_t *fcts);
67 void Sys_UnloadLibrary (dllhandle_t* handle);
68 void* Sys_GetProcAddress (dllhandle_t handle, const char* name);
70 /// called early in Host_Init
71 void Sys_InitConsole (void);
72 /// called after command system is initialized but before first Con_Print
73 void Sys_Init_Commands (void);
76 /// \returns current timestamp
77 char *Sys_TimeString(const char *timeformat);
80 // system IO interface (these are the sys functions that need to be implemented in a new driver atm)
83 /// an error will cause the entire program to exit
84 void Sys_Error (const char *error, ...) DP_FUNC_PRINTF(1) DP_FUNC_NORETURN;
86 /// (may) output text to terminal which launched program
87 void Sys_PrintToTerminal(const char *text);
88 void Sys_PrintfToTerminal(const char *fmt, ...);
90 /// INFO: This is only called by Host_Shutdown so we dont need testing for recursion
91 void Sys_Shutdown (void);
92 void Sys_Quit (int returnvalue);
94 /*! on some build/platform combinations (such as Linux gcc with the -pg
95 * profiling option) this can turn on/off profiling, used primarily to limit
96 * profiling to certain areas of the code, such as ingame performance without
97 * regard for loading/shutdown performance (-profilegameonly on commandline)
102 void Sys_AllowProfiling (qboolean enable);
104 typedef struct sys_cleantime_s
106 double dirtytime; // last value gotten from Sys_DirtyTime()
107 double cleantime; // sanitized linearly increasing time since app start
111 double Sys_DirtyTime(void);
113 void Sys_ProvideSelfFD (void);
115 char *Sys_ConsoleInput (void);
117 /// called to yield for a little bit so as not to hog cpu when paused or debugging
118 void Sys_Sleep(int microseconds);
120 /// Perform Key_Event () callbacks until the input que is empty
121 void Sys_SendKeyEvents (void);
123 char *Sys_GetClipboardData (void);
125 extern qboolean sys_supportsdlgetticks;
126 unsigned int Sys_SDL_GetTicks (void); // wrapper to call SDL_GetTicks
127 void Sys_SDL_Delay (unsigned int milliseconds); // wrapper to call SDL_Delay
129 /// called to set process priority for dedicated servers
130 void Sys_InitProcessNice (void);
131 void Sys_MakeProcessNice (void);
132 void Sys_MakeProcessMean (void);