| 1 | //===-- Procfs.h ---------------------------------------------- -*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "lldb/lldb-types.h" |
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| 10 | #include "llvm/Support/Error.h" |
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| 11 | #include <vector> |
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| 12 | |
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| 13 | namespace lldb_private { |
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| 14 | namespace process_linux { |
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| 15 | |
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| 16 | /// \return |
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| 17 | /// The content of /proc/cpuinfo and cache it if errors didn't happen. |
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| 18 | llvm::Expected<llvm::ArrayRef<uint8_t>> GetProcfsCpuInfo(); |
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| 19 | |
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| 20 | /// \return |
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| 21 | /// A list of available logical core ids given the contents of |
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| 22 | /// /proc/cpuinfo. |
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| 23 | llvm::Expected<std::vector<lldb::cpu_id_t>> |
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| 24 | GetAvailableLogicalCoreIDs(llvm::StringRef cpuinfo); |
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| 25 | |
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| 26 | /// \return |
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| 27 | /// A list with all the logical cores available in the system and cache it |
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| 28 | /// if errors didn't happen. |
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| 29 | llvm::Expected<llvm::ArrayRef<lldb::cpu_id_t>> GetAvailableLogicalCoreIDs(); |
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| 30 | |
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| 31 | /// \return |
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| 32 | /// The current value of /proc/sys/kernel/yama/ptrace_scope, parsed as an |
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| 33 | /// integer, or an error if the proc file cannot be read or has non-integer |
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| 34 | /// contents. |
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| 35 | llvm::Expected<int> GetPtraceScope(); |
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| 36 | |
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| 37 | } // namespace process_linux |
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| 38 | } // namespace lldb_private |
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| 39 | |
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