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
35 extern cvar_t sys_usenoclockbutbenchmark;
44 typedef HMODULE dllhandle_t;
48 typedef void* dllhandle_t;
51 typedef struct dllfunction_s
59 * \param dllnames a NULL terminated array of possible names for the DLL you want to load.
63 qboolean Sys_LoadLibrary (const char** dllnames, dllhandle_t* handle, const dllfunction_t *fcts);
64 void Sys_UnloadLibrary (dllhandle_t* handle);
65 void* Sys_GetProcAddress (dllhandle_t handle, const char* name);
67 /// called early in Host_Init
68 void Sys_InitConsole (void);
69 /// called after command system is initialized but before first Con_Print
70 void Sys_Init_Commands (void);
73 /// \returns current timestamp
74 char *Sys_TimeString(const char *timeformat);
77 // system IO interface (these are the sys functions that need to be implemented in a new driver atm)
80 /// an error will cause the entire program to exit
81 void Sys_Error (const char *error, ...) DP_FUNC_PRINTF(1) DP_FUNC_NORETURN;
83 /// (may) output text to terminal which launched program
84 void Sys_PrintToTerminal(const char *text);
85 void Sys_PrintfToTerminal(const char *fmt, ...);
87 /// INFO: This is only called by Host_Shutdown so we dont need testing for recursion
88 void Sys_Shutdown (void);
89 void Sys_Quit (int returnvalue);
91 /*! on some build/platform combinations (such as Linux gcc with the -pg
92 * profiling option) this can turn on/off profiling, used primarily to limit
93 * profiling to certain areas of the code, such as ingame performance without
94 * regard for loading/shutdown performance (-profilegameonly on commandline)
99 void Sys_AllowProfiling (qboolean enable);
101 typedef struct sys_cleantime_s
103 double dirtytime; // last value gotten from Sys_DirtyTime()
104 double cleantime; // sanitized linearly increasing time since app start
108 double Sys_DirtyTime(void);
110 void Sys_ProvideSelfFD (void);
112 char *Sys_ConsoleInput (void);
114 /// called to yield for a little bit so as not to hog cpu when paused or debugging
115 void Sys_Sleep(int microseconds);
117 /// Perform Key_Event () callbacks until the input que is empty
118 void Sys_SendKeyEvents (void);
120 char *Sys_GetClipboardData (void);
122 extern qboolean sys_supportsdlgetticks;
123 unsigned int Sys_SDL_GetTicks (void); // wrapper to call SDL_GetTicks
124 void Sys_SDL_Delay (unsigned int milliseconds); // wrapper to call SDL_Delay
126 /// called to set process priority for dedicated servers
127 void Sys_InitProcessNice (void);
128 void Sys_MakeProcessNice (void);
129 void Sys_MakeProcessMean (void);