/src/CMake/Source/cmFileLockResult.cxx
Line | Count | Source |
1 | | /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
2 | | file LICENSE.rst or https://cmake.org/licensing for details. */ |
3 | | #include "cmFileLockResult.h" |
4 | | |
5 | | #include <cerrno> |
6 | | #include <cstring> |
7 | | |
8 | | #ifdef _WIN32 |
9 | | # include <windows.h> |
10 | | #endif |
11 | | |
12 | | cmFileLockResult cmFileLockResult::MakeOk() |
13 | 272 | { |
14 | 272 | return { OK, 0 }; |
15 | 272 | } |
16 | | |
17 | | cmFileLockResult cmFileLockResult::MakeSystem() |
18 | 65 | { |
19 | | #if defined(_WIN32) |
20 | | Error const lastError = GetLastError(); |
21 | | #else |
22 | 65 | Error const lastError = errno; |
23 | 65 | #endif |
24 | 65 | return { SYSTEM, lastError }; |
25 | 65 | } |
26 | | |
27 | | cmFileLockResult cmFileLockResult::MakeTimeout() |
28 | 0 | { |
29 | 0 | return { TIMEOUT, 0 }; |
30 | 0 | } |
31 | | |
32 | | cmFileLockResult cmFileLockResult::MakeAlreadyLocked() |
33 | 0 | { |
34 | 0 | return { ALREADY_LOCKED, 0 }; |
35 | 0 | } |
36 | | |
37 | | cmFileLockResult cmFileLockResult::MakeInternal() |
38 | 0 | { |
39 | 0 | return { INTERNAL, 0 }; |
40 | 0 | } |
41 | | |
42 | | cmFileLockResult cmFileLockResult::MakeNoFunction() |
43 | 0 | { |
44 | 0 | return { NO_FUNCTION, 0 }; |
45 | 0 | } |
46 | | |
47 | | bool cmFileLockResult::IsOk() const |
48 | 402 | { |
49 | 402 | return this->Type == OK; |
50 | 402 | } |
51 | | |
52 | | std::string cmFileLockResult::GetOutputMessage() const |
53 | 0 | { |
54 | 0 | switch (this->Type) { |
55 | 0 | case OK: |
56 | 0 | return "0"; |
57 | 0 | case SYSTEM: |
58 | | #if defined(_WIN32) |
59 | | { |
60 | | # define WINMSG_BUF_LEN (1024) |
61 | | char winmsg[WINMSG_BUF_LEN]; |
62 | | DWORD flags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS; |
63 | | if (FormatMessageA(flags, nullptr, this->ErrorValue, |
64 | | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
65 | | (LPSTR)winmsg, WINMSG_BUF_LEN, nullptr)) { |
66 | | std::string const message = winmsg; |
67 | | return message; |
68 | | } else { |
69 | | return "Internal error (FormatMessageA failed)"; |
70 | | } |
71 | | } |
72 | | #else |
73 | 0 | return strerror(this->ErrorValue); |
74 | 0 | #endif |
75 | 0 | case TIMEOUT: |
76 | 0 | return "Timeout reached"; |
77 | 0 | case ALREADY_LOCKED: |
78 | 0 | return "File already locked"; |
79 | 0 | case NO_FUNCTION: |
80 | 0 | return "'GUARD FUNCTION' not used in function definition"; |
81 | 0 | case INTERNAL: |
82 | 0 | default: |
83 | 0 | return "Internal error"; |
84 | 0 | } |
85 | 0 | } |
86 | | |
87 | | cmFileLockResult::cmFileLockResult(ErrorType typeValue, Error errorValue) |
88 | 337 | : Type(typeValue) |
89 | 337 | , ErrorValue(errorValue) |
90 | 337 | { |
91 | 337 | } |