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// --------------------------------------------------------------------------
//
// File
// Name: NamedLock.h
// Purpose: A global named lock, implemented as a lock file in file system
// Created: 2003/08/28
//
// --------------------------------------------------------------------------
#ifndef NAMEDLOCK__H
#define NAMEDLOCK__H
// --------------------------------------------------------------------------
//
// Class
// Name: NamedLock
// Purpose: A global named lock, implemented as a lock file in file system
// Created: 2003/08/28
//
// --------------------------------------------------------------------------
class NamedLock
{
public:
NamedLock();
~NamedLock();
private:
// No copying allowed
NamedLock(const NamedLock &);
public:
bool TryAndGetLock(const std::string& rFilename, int mode = 0755);
# ifdef WIN32
bool GotLock() {return mFileDescriptor != INVALID_HANDLE_VALUE;}
# else
bool GotLock() {return mFileDescriptor != -1;}
# endif
void ReleaseLock();
private:
# ifdef WIN32
HANDLE mFileDescriptor;
# else
int mFileDescriptor;
# endif
std::string mFileName;
};
#endif // NAMEDLOCK__H
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