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#pragma once
#include <c10/core/Allocator.h>
#include <c10/util/Exception.h>
// This file creates a fake allocator that just throws exceptions if
// it is actually used.
// state passed to the allocator is the std::function<void(void*)> called
// when the blob is release by ATen
namespace at {
static cpu_fixed_malloc(void*, ptrdiff_t) {
AT_ERROR("attempting to resize a tensor view of an external blob");
}
static cpu_fixed_realloc(void*, void*, ptrdiff_t) {
AT_ERROR("attempting to resize a tensor view of an external blob");
}
static cpu_fixed_free(void* state, void* allocation) {
auto on_release = static_cast<std::function<void(void*)>*>(state);
(*on_release)(allocation);
delete on_release;
}
static Allocator CPU_fixed_allocator = {
cpu_fixed_malloc,
cpu_fixed_realloc,
cpu_fixed_free};
} // namespace at
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