void FragmentMemoryFunc()
{
ChunkCommitEnd = 0;
TInt r;
while(KErrNone == (r = Chunk.Commit(ChunkCommitEnd,PageSize)) && !FragThreadStop)
{
ChunkCommitEnd += PageSize;
}
if (FragThreadStop)
return;
test_Equal(KErrNoMemory, r);
TUint freeBlocks = 0;
for ( TUint offset = 0;
(offset + FragData.iSize) < ChunkCommitEnd;
offset += FragData.iFrequency, freeBlocks++)
{
test_KErrNone(Chunk.Decommit(offset, FragData.iSize));
}
if (FragData.iDiscard && CacheSizeAdjustable && !FragThreadStop)
{
TUint minCacheSize = FreeRam();
TUint maxCacheSize = minCacheSize;
DPTest::SetCacheSize(minCacheSize, maxCacheSize);
if (OrigMinCacheSize <= maxCacheSize)
DPTest::SetCacheSize(OrigMinCacheSize, maxCacheSize);
}
}
GLDEF_C TInt E32Main()
{
test.Title();
test.Start(_L("Create chunk"));
RChunk c;
TInt r=c.CreateDisconnectedLocal(0,0x1000,0x100000);
test(r==KErrNone);
r=c.Commit(0x10000,0x1000);
test(r==KErrNone);
TUint8* pBuf1=c.Base();
TUint8* pBuf2=pBuf1+0x10000;
TInt s;
TInt d;
TInt l;
for (l=1; l<300; l+=3)
{
for (s=0; s<=4096-l; s+=227)
{
test.Printf(_L("\ns=%4d l=%4d: "),s,l);
for (d=0; d<=4096-l; d+=229)
{
DoTest(pBuf1,pBuf2,4096,s,d,l,0);
DoTest(pBuf1,pBuf2,4096,s,d,l,1);
}
}
}
for (l=1; l<300; l+=3)
{
for (s=4096-l; s>=0; s-=227)
{
test.Printf(_L("\ns=%4d l=%4d: "),s,l);
for (d=4096-l; d>=0; d-=229)
{
DoTest(pBuf1,pBuf2,4096,s,d,l,0);
DoTest(pBuf1,pBuf2,4096,s,d,l,1);
}
}
}
for (l=1; l<400; l+=((l<=64)?1:3) )
{
test.Printf(_L("\nOverlap test: l=%4d: "),l);
for (s=32; s<=4096-32-l; s+=101) // want s to take all values 0...31 modulo 32
{
for (d=s-32; d<=s+32; ++d)
{
DoOverlapTest(pBuf1,pBuf2,4096,s,d,l);
}
}
}
c.Close();
test.End();
return 0;
}
// Only commits and decommits the first page as that is the only page that is being moved.
// Plus this ensures the page table and page directories of the chunk are always allocated
// and therefore prevents Epoc::LinearToPhysical() from crashing the system.
TInt CommitDecommit(TAny* aParam)
{
RChunk* chunk = (RChunk*) aParam;
volatile TUint8* byte = chunk->Base();
FOREVER
{
*byte = *byte;
User::AfterHighRes(0);
TInt r = chunk->Decommit(0, PageSize);
if (r != KErrNone)
return r;
User::AfterHighRes(0);
r = chunk->Commit(0, PageSize);
if (r != KErrNone)
return r;
}
}