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56 lines (45 loc) · 1.68 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include <arrow/util/logging.h>
#include "plasma/malloc.h"
#include "plasma/plasma_allocator.h"
namespace plasma {
extern "C" {
void* dlmemalign(size_t alignment, size_t bytes);
void dlfree(void* mem);
}
int64_t PlasmaAllocator::footprint_limit_ = 0;
int64_t PlasmaAllocator::allocated_ = 0;
void* PlasmaAllocator::Memalign(size_t alignment, size_t bytes) {
if (allocated_ + static_cast<int64_t>(bytes) > footprint_limit_) {
return nullptr;
}
void* mem = dlmemalign(alignment, bytes);
ARROW_CHECK(mem);
allocated_ += bytes;
return mem;
}
void PlasmaAllocator::Free(void* mem, size_t bytes) {
dlfree(mem);
allocated_ -= bytes;
}
void PlasmaAllocator::SetFootprintLimit(size_t bytes) {
footprint_limit_ = static_cast<int64_t>(bytes);
}
int64_t PlasmaAllocator::GetFootprintLimit() { return footprint_limit_; }
int64_t PlasmaAllocator::Allocated() { return allocated_; }
} // namespace plasma