Revision 07d3695e75d1bbeaa571901708350efc3f936e0e authored by Kitware Robot on 31 January 2017, 05:01:05 UTC, committed by Kitware Robot on 31 January 2017, 05:01:05 UTC
1 parent 8df12fc
cmFileLockPool.h
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmFileLockPool_h
#define cmFileLockPool_h
#include <cmConfigure.h> // IWYU pragma: keep
#include <list>
#include <string>
class cmFileLock;
class cmFileLockResult;
class cmFileLockPool
{
public:
cmFileLockPool();
~cmFileLockPool();
//@{
/**
* @brief Function scope control.
*/
void PushFunctionScope();
void PopFunctionScope();
//@}
//@{
/**
* @brief File scope control.
*/
void PushFileScope();
void PopFileScope();
//@}
//@{
/**
* @brief Lock the file in given scope.
* @param timeoutSec Lock timeout. If -1 try until success or fatal error.
*/
cmFileLockResult LockFunctionScope(const std::string& filename,
unsigned long timeoutSec);
cmFileLockResult LockFileScope(const std::string& filename,
unsigned long timeoutSec);
cmFileLockResult LockProcessScope(const std::string& filename,
unsigned long timeoutSec);
//@}
/**
* @brief Unlock the file explicitly.
*/
cmFileLockResult Release(const std::string& filename);
private:
cmFileLockPool(const cmFileLockPool&);
cmFileLockPool& operator=(const cmFileLockPool&);
bool IsAlreadyLocked(const std::string& filename) const;
class ScopePool
{
public:
ScopePool();
~ScopePool();
cmFileLockResult Lock(const std::string& filename,
unsigned long timeoutSec);
cmFileLockResult Release(const std::string& filename);
bool IsAlreadyLocked(const std::string& filename) const;
private:
ScopePool(const ScopePool&);
ScopePool& operator=(const ScopePool&);
typedef std::list<cmFileLock*> List;
typedef List::iterator It;
typedef List::const_iterator CIt;
List Locks;
};
typedef std::list<ScopePool*> List;
typedef List::iterator It;
typedef List::const_iterator CIt;
List FunctionScopes;
List FileScopes;
ScopePool ProcessScope;
};
#endif // cmFileLockPool_h
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