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Implemented ExInterlocked functions.

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svn path=/trunk/; revision=759
This commit is contained in:
Eric Kohl 1999-11-09 18:00:14 +00:00
parent 157d5b3fa2
commit eae6fb6efc
1 changed files with 66 additions and 7 deletions
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73
reactos/ntoskrnl/ex/interlck.c
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@ -1,4 +1,4 @@
/* $Id: interlck.c,v 1.2 1999/08/29 06:59:06 ea Exp $
/* $Id: interlck.c,v 1.3 1999/11/09 18:00:14 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -13,7 +13,6 @@
#include <ddk/ntddk.h>
#include <internal/debug.h>
/* FUNCTIONS *****************************************************************/
@ -23,7 +22,17 @@ ExInterlockedDecrementLong (
PKSPIN_LOCK Lock
)
{
UNIMPLEMENTED;
KIRQL oldlvl;
LONG oldval;
KeAcquireSpinLock (Lock, &oldlvl);
oldval = *Addend;
(*Addend)--;
KeReleaseSpinLock (Lock, oldlvl);
return oldval;
}
@ -34,7 +43,17 @@ ExInterlockedExchangeUlong (
PKSPIN_LOCK Lock
)
{
UNIMPLEMENTED;
KIRQL oldlvl;
LONG oldval;
KeAcquireSpinLock (Lock, &oldlvl);
oldval = *Target;
*Target = Value;
KeReleaseSpinLock (Lock, oldlvl);
return oldval;
}
@ -45,9 +64,40 @@ ExInterlockedAddUlong (
PKSPIN_LOCK Lock
)
{
UNIMPLEMENTED;
KIRQL oldlvl;
ULONG oldval;
KeAcquireSpinLock (Lock, &oldlvl);
oldval = *Addend;
*Addend += Increment;
KeReleaseSpinLock (Lock, oldlvl);
return oldval;
}
LARGE_INTEGER
ExInterlockedAddLargeInteger (
PLARGE_INTEGER Addend,
LARGE_INTEGER Increment,
PKSPIN_LOCK Lock
)
{
KIRQL oldlvl;
LARGE_INTEGER oldval;
KeAcquireSpinLock (Lock, &oldlvl);
oldval.QuadPart = Addend->QuadPart;
Addend->QuadPart += Increment.QuadPart;
KeReleaseSpinLock (Lock, oldlvl);
return oldval;
}
INTERLOCKED_RESULT
ExInterlockedIncrementLong (
@ -55,8 +105,17 @@ ExInterlockedIncrementLong (
PKSPIN_LOCK Lock
)
{
UNIMPLEMENTED;
KIRQL oldlvl;
LONG oldval;
KeAcquireSpinLock (Lock, &oldlvl);
oldval = *Addend;
(*Addend)++;
KeReleaseSpinLock (Lock, oldlvl);
return oldval;
}
/* EOF */