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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gos/gos_win32.h
* @brief GOS - Operating System Support header file for WIN32.
*/
#ifndef _GOS_WIN32_H
#define _GOS_WIN32_H
#if GFX_USE_OS_WIN32
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0501 // Windows XP and up
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include <malloc.h>
typedef DWORD gDelay;
typedef DWORD gTicks;
typedef LONG gSemcount;
typedef DWORD gThreadreturn;
typedef int gThreadpriority;
#define DECLARE_THREAD_FUNCTION(fnName, param) gThreadreturn (WINAPI fnName)(void *param)
#define DECLARE_THREAD_STACK(name, sz) uint8_t name[1];
#define THREAD_RETURN(retval) return retval
#define gDelayNone 0
#define gDelayForever INFINITE
#define MAX_SEMAPHORE_COUNT ((gSemcount)(((unsigned long)((gSemcount)(-1))) >> 1))
#define gThreadpriorityLow THREAD_PRIORITY_BELOW_NORMAL
#define gThreadpriorityNormal THREAD_PRIORITY_NORMAL
#define gThreadpriorityHigh THREAD_PRIORITY_ABOVE_NORMAL
typedef HANDLE gfxSem;
typedef HANDLE gfxMutex;
typedef HANDLE gThread;
#define gfxExit() ExitProcess(0)
#define gfxAlloc(sz) malloc(sz)
#define gfxRealloc(p,osz,nsz) realloc(p, nsz)
#define gfxFree(ptr) free(ptr)
#define gfxSleepMilliseconds(ms) Sleep(ms)
#define gfxYield() Sleep(0)
#define gfxSystemTicks() GetTickCount()
#define gfxMillisecondsToTicks(ms) (ms)
#define gfxMutexInit(pmutex) *(pmutex) = CreateMutex(0, FALSE, 0)
#define gfxMutexDestroy(pmutex) CloseHandle(*(pmutex))
#define gfxMutexEnter(pmutex) WaitForSingleObject(*(pmutex), INFINITE)
#define gfxMutexExit(pmutex) ReleaseMutex(*(pmutex))
#define gfxSemInit(psem, val, limit) *(psem) = CreateSemaphore(0, val, limit, 0)
#define gfxSemDestroy(psem) CloseHandle(*(psem))
#define gfxSemWaitI(psem) gfxSemWait((psem), gDelayNone)
#define gfxSemSignal(psem) ReleaseSemaphore(*(psem), 1, 0)
#define gfxSemSignalI(psem) ReleaseSemaphore(*(psem), 1, 0)
#define gfxThreadMe() GetCurrentThread()
#define gfxThreadClose(thread) CloseHandle(thread)
/*===========================================================================*/
/* Function declarations. */
/*===========================================================================*/
void gfxHalt(const char *msg);
void gfxSleepMicroseconds(gDelay ms);
gBool gfxSemWait(gfxSem *psem, gDelay ms);
void gfxSystemLock(void);
void gfxSystemUnlock(void);
gThread gfxThreadCreate(void *stackarea, size_t stacksz, gThreadpriority prio, DECLARE_THREAD_FUNCTION(*fn,p), void *param);
gThreadreturn gfxThreadWait(gThread thread);
#endif /* GFX_USE_OS_WIN32 */
#endif /* _GOS_WIN32_H */
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