Transfer files from RAD repository

src/memory/single_heap.cpp

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+/******************************************************************************
+ * Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *****************************************************************************/
+
+#include "single_heap.hpp"
+
+#include <sstream>
+
+namespace rocshmem {
+
+SingleHeap::SingleHeap() {
+  if (auto heap_size_cstr = getenv("ROC_SHMEM_HEAP_SIZE")) {
+    std::stringstream sstream(heap_size_cstr);
+    size_t heap_size;
+    sstream >> heap_size;
+    heap_mem_ = HEAP_T{heap_size};
+    strat_ = STRAT_T{&heap_mem_};
+  }
+}
+
+void SingleHeap::malloc(void** ptr, size_t size) {
+  strat_.alloc(reinterpret_cast<char**>(ptr), size);
+}
+
+__device__ void SingleHeap::malloc(void** ptr, size_t size) {}
+
+void SingleHeap::free(void* ptr) {
+  if (!ptr) {
+    return;
+  }
+  strat_.free(reinterpret_cast<char*>(ptr));
+}
+
+__device__ void SingleHeap::free(void* ptr) {}
+
+void* SingleHeap::realloc(void* ptr, size_t size) { return nullptr; }
+
+void* SingleHeap::malign(size_t alignment, size_t size) { return nullptr; }
+
+char* SingleHeap::get_base_ptr() { return heap_mem_.get_ptr(); }
+
+size_t SingleHeap::get_size() { return heap_mem_.get_size(); }
+
+size_t SingleHeap::get_used() { return strat_.amount_proffered(); }
+
+size_t SingleHeap::get_avail() { return get_size() - get_used(); }
+
+}  // namespace rocshmem