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91 lines
2.0 KiB
91 lines
2.0 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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#ifndef cmFileLockPool_h
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#define cmFileLockPool_h
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#include "cmConfigure.h"
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#include <string>
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#include <vector>
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class cmFileLock;
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class cmFileLockResult;
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class cmFileLockPool
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{
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CM_DISABLE_COPY(cmFileLockPool)
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public:
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cmFileLockPool();
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~cmFileLockPool();
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//@{
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/**
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* @brief Function scope control.
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*/
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void PushFunctionScope();
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void PopFunctionScope();
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//@}
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//@{
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/**
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* @brief File scope control.
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*/
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void PushFileScope();
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void PopFileScope();
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//@}
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//@{
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/**
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* @brief Lock the file in given scope.
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* @param timeoutSec Lock timeout. If -1 try until success or fatal error.
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*/
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cmFileLockResult LockFunctionScope(const std::string& filename,
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unsigned long timeoutSec);
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cmFileLockResult LockFileScope(const std::string& filename,
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unsigned long timeoutSec);
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cmFileLockResult LockProcessScope(const std::string& filename,
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unsigned long timeoutSec);
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//@}
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/**
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* @brief Unlock the file explicitly.
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*/
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cmFileLockResult Release(const std::string& filename);
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private:
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bool IsAlreadyLocked(const std::string& filename) const;
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class ScopePool
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{
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CM_DISABLE_COPY(ScopePool)
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public:
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ScopePool();
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~ScopePool();
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cmFileLockResult Lock(const std::string& filename,
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unsigned long timeoutSec);
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cmFileLockResult Release(const std::string& filename);
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bool IsAlreadyLocked(const std::string& filename) const;
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private:
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typedef std::vector<cmFileLock*> List;
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typedef List::iterator It;
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typedef List::const_iterator CIt;
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List Locks;
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};
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typedef std::vector<ScopePool*> List;
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typedef List::iterator It;
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typedef List::const_iterator CIt;
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List FunctionScopes;
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List FileScopes;
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ScopePool ProcessScope;
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};
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#endif // cmFileLockPool_h
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