1 //===-- HostInfoPosix.h -----------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLDB_HOST_POSIX_HOSTINFOPOSIX_H
10 #define LLDB_HOST_POSIX_HOSTINFOPOSIX_H
11 
12 #include "lldb/Host/HostInfoBase.h"
13 #include "lldb/Utility/FileSpec.h"
14 #include <optional>
15 
16 namespace lldb_private {
17 
18 class UserIDResolver;
19 
20 class HostInfoPosix : public HostInfoBase {
21   friend class HostInfoBase;
22 
23 public:
24   static size_t GetPageSize();
25   static bool GetHostname(std::string &s);
26   static std::optional<std::string> GetOSKernelDescription();
27 
28   static uint32_t GetUserID();
29   static uint32_t GetGroupID();
30   static uint32_t GetEffectiveUserID();
31   static uint32_t GetEffectiveGroupID();
32 
33   static FileSpec GetDefaultShell();
34 
35   static bool GetEnvironmentVar(const std::string &var_name, std::string &var);
36 
37   static UserIDResolver &GetUserIDResolver();
38 
39 protected:
40   static bool ComputeSupportExeDirectory(FileSpec &file_spec);
41   static bool ComputeHeaderDirectory(FileSpec &file_spec);
42 };
43 }
44 
45 #endif
46