omrobjectptr_t
OMR_GC_Allocate(OMR_VMThread * omrVMThread, size_t sizeInBytes, uintptr_t flags)
{
omrobjectptr_t heapBytes = allocHelper(omrVMThread, sizeInBytes, flags, true);
if (NULL == heapBytes) {
MM_GCExtensionsBase *extensions = MM_GCExtensionsBase::getExtensions(omrVMThread->_vm);
if (NULL == extensions->getGlobalCollector()) {
/* Lazily create the collector and try to allocate again. */
if (OMR_ERROR_NONE == OMR_GC_InitializeCollector(omrVMThread)) {
heapBytes = allocHelper(omrVMThread, sizeInBytes, flags, true);
}
}
}
return heapBytes;
}
const void *VFSFile::getBuf(allocator_func alloc /* = NULL */, delete_func del /* = NULL */)
{
assert(!alloc == !del); // either both or none may be defined. Checked extra early to prevent possible errors later.
VFS_GUARD_OPT(this);
if(_buf)
return _buf;
bool op = isopen();
if(!op && !open()) // open with default params if not open
return NULL;
unsigned int s = (unsigned int)size();
_buf = allocHelper(alloc, s + 4); // a bit extra padding
if(!_buf)
return NULL;
_delfunc = del;
vfspos offs;
if(op)
{
vfspos oldpos = getpos();
seek(0);
offs = read(_buf, s);
seek(oldpos);
}
else
{
offs = read(_buf, s);
close();
}
// Might as well be text mode reading, which means less actual bytes than size() said,
// so this can't be done earlier.
memset((char*)_buf + offs, 0, 4);
return _buf;
}
omrobjectptr_t
OMR_GC_AllocateNoGC(OMR_VMThread * omrVMThread, size_t sizeInBytes, uintptr_t flags)
{
return allocHelper(omrVMThread, sizeInBytes, flags, false);
}
