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88 lines
1.9 KiB
88 lines
1.9 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmFileLockResult.h"
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#include <cerrno>
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#include <cstring>
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cmFileLockResult cmFileLockResult::MakeOk()
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{
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return { OK, 0 };
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}
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cmFileLockResult cmFileLockResult::MakeSystem()
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{
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#if defined(_WIN32)
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const Error lastError = GetLastError();
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#else
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const Error lastError = errno;
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#endif
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return { SYSTEM, lastError };
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}
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cmFileLockResult cmFileLockResult::MakeTimeout()
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{
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return { TIMEOUT, 0 };
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}
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cmFileLockResult cmFileLockResult::MakeAlreadyLocked()
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{
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return { ALREADY_LOCKED, 0 };
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}
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cmFileLockResult cmFileLockResult::MakeInternal()
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{
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return { INTERNAL, 0 };
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}
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cmFileLockResult cmFileLockResult::MakeNoFunction()
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{
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return { NO_FUNCTION, 0 };
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}
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bool cmFileLockResult::IsOk() const
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{
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return this->Type == OK;
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}
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std::string cmFileLockResult::GetOutputMessage() const
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{
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switch (this->Type) {
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case OK:
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return "0";
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case SYSTEM:
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#if defined(_WIN32)
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{
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# define WINMSG_BUF_LEN (1024)
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char winmsg[WINMSG_BUF_LEN];
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DWORD flags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS;
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if (FormatMessageA(flags, nullptr, this->ErrorValue,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPSTR)winmsg, WINMSG_BUF_LEN, nullptr)) {
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const std::string message = winmsg;
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return message;
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} else {
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return "Internal error (FormatMessageA failed)";
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}
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}
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#else
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return strerror(this->ErrorValue);
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#endif
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case TIMEOUT:
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return "Timeout reached";
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case ALREADY_LOCKED:
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return "File already locked";
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case NO_FUNCTION:
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return "'GUARD FUNCTION' not used in function definition";
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case INTERNAL:
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default:
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return "Internal error";
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}
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}
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cmFileLockResult::cmFileLockResult(ErrorType typeValue, Error errorValue)
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: Type(typeValue)
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, ErrorValue(errorValue)
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{
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}
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