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100 lines
2.5 KiB
100 lines
2.5 KiB
/**********************************************************************
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Copyright (C) 1992-1993 Microsoft Corporation. All Rights Reserved.
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locks.c
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DESCRIPTION:
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Code to lock each of the FIX'ed segments so they are only
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fixed when they need to be.
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HISTORY:
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03/03/94 [jimge] created.
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*********************************************************************/
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#include "preclude.h"
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#include <windows.h>
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#include <windowsx.h>
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#include <mmsystem.h>
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#include <mmddk.h>
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#include "idf.h"
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#include "midimap.h"
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#include "debug.h"
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// Lock/unlock routines for code segments are stored in that segment
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// so we know the segment will be in memory when GlobalSmartPageLock
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// is called (else it will fail).
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//
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#ifndef WIN32
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#pragma allocTEXT ext(TEXT EXT, LockMapperData)
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#pragma allocTEXT ext(TEXT EXT, UnlockMapperData)
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#pragma allocTEXT ext(MAPPACKED_FIX, LockPackedMapper)
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#pragma allocTEXT ext(MAPPACKED_FIX, UnlockPackedMapper)
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#pragma allocTEXT ext(MAPCOOKED_FIX, LockCookedMapper)
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#pragma allocTEXT ext(MAPCOOKED_FIX, UnlockCookedMapper)
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#endif // End #ifndef WIN32
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void FNGLOBAL LockMapperData(
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void)
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{
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DPF(2, TEXT ("LockMapperData"));
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if (!GlobalSmartPageLock(__segname("_DATA")))
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{
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DPF(1, TEXT ("LockMapperData: GlobalSmartPageLock() failed!!!"));
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}
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}
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void FNGLOBAL UnlockMapperData(
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void)
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{
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DPF(2, TEXT ("UnlockMapperData"));
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if (!GlobalSmartPageUnlock(__segname("_DATA")))
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{
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DPF(1, TEXT ("UnlockMapperData: GlobalSmartPageUnlock() failed!!!"));
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}
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}
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void FNGLOBAL LockPackedMapper(
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void)
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{
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DPF(2, TEXT ("LockPackedMapper"));
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if (!GlobalSmartPageLock(__segname("MAPPACKED_FIX")))
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{
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DPF(1, TEXT ("LockPackedMapper: GlobalSmartPageLock() failed!!!"));
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}
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}
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void FNGLOBAL UnlockPackedMapper(
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void)
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{
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DPF(2, TEXT ("UnlockPackedMapper"));
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if (!GlobalSmartPageUnlock(__segname("MAPPACKED_FIX")))
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{
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DPF(1, TEXT ("UnlockPackedMapper: GlobalSmartPageUnlock() failed!!!"));
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}
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}
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void FNGLOBAL LockCookedMapper(
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void)
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{
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DPF(2, TEXT ("LockCookedMapper"));
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if (!GlobalSmartPageLock(__segname("MAPCOOKED_FIX")))
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{
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DPF(1, TEXT ("LockCookedMapper: GlobalSmartPageLock() failed!!!"));
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}
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}
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void FNGLOBAL UnlockCookedMapper(
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void)
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{
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DPF(2, TEXT ("UnlockCookedMapper"));
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if (!GlobalSmartPageUnlock(__segname("MAPCOOKED_FIX")))
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{
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DPF(1, TEXT ("UnlockCookedMapper: GlobalSmartPageUnlock() failed!!!"));
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}
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}
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