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40 lines
1.3 KiB
40 lines
1.3 KiB
// Copyright 2017 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// An interface for the filesystem that allows mocking the filesystem in
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// unittests.
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#ifndef CPU_FEATURES_INCLUDE_INTERNAL_FILESYSTEM_H_
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#define CPU_FEATURES_INCLUDE_INTERNAL_FILESYSTEM_H_
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#include <stddef.h>
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#include <stdint.h>
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#include "cpu_features_macros.h"
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CPU_FEATURES_START_CPP_NAMESPACE
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// Same as linux "open(filename, O_RDONLY)", retries automatically on EINTR.
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int CpuFeatures_OpenFile(const char* filename);
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// Same as linux "read(file_descriptor, buffer, buffer_size)", retries
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// automatically on EINTR.
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int CpuFeatures_ReadFile(int file_descriptor, void* buffer, size_t buffer_size);
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// Same as linux "close(file_descriptor)".
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void CpuFeatures_CloseFile(int file_descriptor);
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CPU_FEATURES_END_CPP_NAMESPACE
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#endif // CPU_FEATURES_INCLUDE_INTERNAL_FILESYSTEM_H_
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