void *malloc
(
size_t nBytes /* number of bytes to allocate */
)
{
return (memPartAlloc (&memSysPartition, (unsigned) nBytes));
}
int _tmain(int argc, _TCHAR* argv[])
{
classLibInit();
memPartLibInit(memBuf, MEM_LEN);
char* a1 = (char*)memPartAlloc(memSysPartId, 10);
char* a2 = (char*)memPartAlloc(memSysPartId, 45);
memPartFree(memSysPartId, a1);
memPartFree(memSysPartId, a2);
a1 = (char*)memPartAlloc(memSysPartId, 10);
a2 = (char*)memPartAlloc(memSysPartId, 45);
memPartFree(memSysPartId, a2);
memPartFree(memSysPartId, a1);
a1 = (char*)memPartAlloc(memSysPartId, 10);
a2 = (char*)memPartAlloc(memSysPartId, 12);
char* a3 = (char*)memPartAlloc(memSysPartId, 45);
memPartFree(memSysPartId, a2);
char* a4 = (char*)memPartAlloc(memSysPartId, 12);
testQueue();
SEM_ID semId = semMCreate(0);
int c = 0;
semTake(semId, WAIT_FOREVER);
c++;
semGive(semId);
semDelete(semId);
gets(a1);
return 0;
}
ClPtrT clMemPartAlloc(ClMemPartHandleT handle, ClUint32T size)
{
ClPtrT mem = NULL;
ClMemPartT *pMemPart = NULL;
MEM_PART_STATS memStats;
ClRcT rc = CL_OK;
if(!(pMemPart = (ClMemPartT*)handle))
return NULL;
if(!size)
size = 16;/*min size to alloc*/
clOsalMutexLock(&pMemPart->mutex);
if(memPartInfoGet(pMemPart->partId, &memStats) == ERROR)
{
clOsalMutexUnlock(&pMemPart->mutex);
CL_DEBUG_PRINT(CL_DEBUG_ERROR, ("memPartInfoGet failed with [%s]\n", strerror(errno)));
return mem;
}
/*
* Check if we are hittin the roof. Expand
*/
if(size >= memStats.numBytesFree)
{
if((rc = clMemPartExpand(pMemPart, CL_MEM_PART_EXPANSION_SIZE)) != CL_OK)
{
/* ignore and fail on memPartAlloc failure*/
}
}
mem = memPartAlloc(pMemPart->partId, size);
clOsalMutexUnlock(&pMemPart->mutex);
if(!mem)
{
CL_DEBUG_PRINT(CL_DEBUG_ERROR, ("Critical memPartAlloc error for size [%d]\n", size));
CL_ASSERT(0);
}
memset(mem, 0, size);
return mem;
}