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https://github.com/reactos/CMake.git
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97841dad2b
Convert the StringToInt helper into a StringToLong helper with a 'long' result type. This will make the helper more useful to other callers that want to use strtol. While at it, also check errno after calling strtol in case the conversion fails with a range error.
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2014 Ruslan Baratov
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmFileLock.h"
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#include <assert.h>
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#include "cmFileLockResult.h"
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// Common implementation
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cmFileLock::~cmFileLock()
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{
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if (!this->Filename.empty())
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{
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const cmFileLockResult result = this->Release();
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static_cast<void>(result);
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assert(result.IsOk());
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}
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}
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cmFileLockResult cmFileLock::Lock(
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const std::string& filename, unsigned long timeout)
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{
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if (filename.empty())
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{
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// Error is internal since all the directories and file must be created
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// before actual lock called.
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return cmFileLockResult::MakeInternal();
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}
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if (!this->Filename.empty())
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{
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// Error is internal since double-lock must be checked in class
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// cmFileLockPool by the cmFileLock::IsLocked method.
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return cmFileLockResult::MakeInternal();
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}
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this->Filename = filename;
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cmFileLockResult result = this->OpenFile();
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if (result.IsOk())
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{
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if (timeout == static_cast<unsigned long>(-1))
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{
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result = this->LockWithoutTimeout();
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}
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else
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{
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result = this->LockWithTimeout(timeout);
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}
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}
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if (!result.IsOk())
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{
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this->Filename = "";
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}
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return result;
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}
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bool cmFileLock::IsLocked(const std::string& filename) const
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{
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return filename == this->Filename;
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}
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#if defined(_WIN32)
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# include "cmFileLockWin32.cxx"
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#else
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# include "cmFileLockUnix.cxx"
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#endif
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