Leaked source code of windows server 2003
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91 lines
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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
tlock.c
Abstract:
Test program for exinterlockedincrement/decrement routines
Environment:
This program can either be compiled into a kernel mode test,
OR you can link intrloc2.obj or i386\intrlock.obj (or whatever)
into it and run it in user mode.
Author:
Bryan Willman (bryanwi) 3-Aug-90
Revision History:
--*/
#include "exp.h"
main()
{
INTERLOCKED_RESULT RetVal;
LONG SpinVar; // talk about a hack...
LONG LongVar;
SHORT ShortVar;
KSPIN_LOCK Lock;
Lock = &SpinVar;
LongVar = 0;
ShortVar = 0;
RetVal = ExInterlockedDecrementLong(&LongVar, &Lock);
if ((RetVal != ResultNegative) ||
(LongVar != -1)) {
DbgPrint("t&Lock failure #L1\n");
}
RetVal = ExInterlockedDecrementLong(&LongVar, &Lock);
if ((RetVal != ResultNegative) ||
(LongVar != -2)) {
DbgPrint("t&Lock failure #L2\n");
}
RetVal = ExInterlockedIncrementLong(&LongVar, &Lock);
if ((RetVal != ResultNegative) ||
(LongVar != -1)) {
DbgPrint("t&Lock failure #L3\n");
}
RetVal = ExInterlockedIncrementLong(&LongVar, &Lock);
if ((RetVal != ResultZero) ||
(LongVar != 0)) {
DbgPrint("t&Lock failure #L4\n");
}
RetVal = ExInterlockedIncrementLong(&LongVar, &Lock);
if ((RetVal != ResultPositive) ||
(LongVar != 1)) {
DbgPrint("t&Lock failure #L5\n");
}
RetVal = ExInterlockedIncrementLong(&LongVar, &Lock);
if ((RetVal != ResultPositive) ||
(LongVar != 2)) {
DbgPrint("t&Lock failure #L6\n");
}
RetVal = ExInterlockedDecrementLong(&LongVar, &Lock);
if ((RetVal != ResultPositive) ||
(LongVar != 1)) {
DbgPrint("t&Lock failure #L7\n");
}
RetVal = ExInterlockedDecrementLong(&LongVar, &Lock);
if ((RetVal != ResultZero) ||
(LongVar != 0)) {
DbgPrint("t&Lock failure #L8\n");
}
}