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This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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92
utils/common/fixedallocator.cpp
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@ -16,11 +16,11 @@
MA 02110-1301, USA. */
/******************************************************************************************
* $Id$
*
******************************************************************************************/
* $Id$
*
******************************************************************************************/
//This is one of the first files we compile, check the compiler...
// This is one of the first files we compile, check the compiler...
#if defined(__GNUC__)
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
#error "This is a very old GCC, and it's probably not going to work."
@ -42,80 +42,78 @@ using namespace boost;
namespace utils
{
FixedAllocator::FixedAllocator(const FixedAllocator& f)
{
elementCount = f.elementCount;
elementSize = f.elementSize;
tmpSpace = f.tmpSpace;
capacityRemaining = 0;
currentlyStored = 0;
useLock = f.useLock;
lock = false;
elementCount = f.elementCount;
elementSize = f.elementSize;
tmpSpace = f.tmpSpace;
capacityRemaining = 0;
currentlyStored = 0;
useLock = f.useLock;
lock = false;
}
FixedAllocator& FixedAllocator::operator=(const FixedAllocator& f)
{
elementCount = f.elementCount;
elementSize = f.elementSize;
tmpSpace = f.tmpSpace;
useLock = f.useLock;
lock = false;
deallocateAll();
return *this;
elementCount = f.elementCount;
elementSize = f.elementSize;
tmpSpace = f.tmpSpace;
useLock = f.useLock;
lock = false;
deallocateAll();
return *this;
}
void FixedAllocator::setUseLock(bool useIt)
{
useLock = useIt;
useLock = useIt;
}
void FixedAllocator::setAllocSize(uint allocSize)
{
elementSize = allocSize;
elementSize = allocSize;
}
void FixedAllocator::newBlock()
{
shared_array<uint8_t> next;
shared_array<uint8_t> next;
capacityRemaining = elementCount * elementSize;
capacityRemaining = elementCount * elementSize;
if (!tmpSpace || mem.size() == 0)
{
next.reset(new uint8_t[elementCount * elementSize]);
mem.push_back(next);
nextAlloc = next.get();
}
else
{
currentlyStored = 0;
nextAlloc = mem.front().get();
}
if (!tmpSpace || mem.size() == 0)
{
next.reset(new uint8_t[elementCount * elementSize]);
mem.push_back(next);
nextAlloc = next.get();
}
else
{
currentlyStored = 0;
nextAlloc = mem.front().get();
}
}
void FixedAllocator::truncateBy(uint32_t amt)
{
if (useLock)
getSpinlock(lock);
nextAlloc -= amt;
capacityRemaining += amt;
currentlyStored -= amt;
if (useLock)
releaseSpinlock(lock);
if (useLock)
getSpinlock(lock);
nextAlloc -= amt;
capacityRemaining += amt;
currentlyStored -= amt;
if (useLock)
releaseSpinlock(lock);
}
void FixedAllocator::deallocateAll()
{
mem.clear();
currentlyStored = 0;
capacityRemaining = 0;
mem.clear();
currentlyStored = 0;
capacityRemaining = 0;
}
uint64_t FixedAllocator::getMemUsage() const
{
return (mem.size() * elementCount * elementSize);
return (mem.size() * elementCount * elementSize);
}
}
} // namespace utils