mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.3 KiB
82 lines
2.3 KiB
// Guard.h -- Guard class declaration
|
|
|
|
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
|
|
// 1999. This computer program includes Confidential, Proprietary
|
|
// Information and is a Trade Secret of Schlumberger Technology Corp. All
|
|
// use, disclosure, and/or reproduction is prohibited unless authorized
|
|
// in writing. All Rights Reserved.
|
|
|
|
#if !defined(SLBCSP_GUARD_H)
|
|
#define SLBCSP_GUARD_H
|
|
|
|
#include "Lockable.h"
|
|
|
|
// Guard (manage) the locking and unlocking of a lockable object.
|
|
template<class T>
|
|
class Guard
|
|
{
|
|
public:
|
|
// Types
|
|
// C'tors/D'tors
|
|
explicit
|
|
Guard(T &rLock)
|
|
: m_rLock(rLock)
|
|
{
|
|
m_rLock.Lock();
|
|
}
|
|
|
|
~Guard()
|
|
{
|
|
try
|
|
{
|
|
m_rLock.Unlock();
|
|
}
|
|
|
|
catch (...)
|
|
{
|
|
// do nothing, exceptions should not propagate out of
|
|
// destructors
|
|
}
|
|
}
|
|
|
|
|
|
// Operators
|
|
// Operations
|
|
// Access
|
|
// Predicates
|
|
|
|
protected:
|
|
// Types
|
|
// C'tors/D'tors
|
|
// Operators
|
|
// Operations
|
|
// Access
|
|
// Predicates
|
|
// Variables
|
|
T &m_rLock;
|
|
|
|
private:
|
|
// Types
|
|
// C'tors/D'tors
|
|
// Operators
|
|
// Operations
|
|
// Access
|
|
// Predicates
|
|
// Variables
|
|
|
|
};
|
|
|
|
template<>
|
|
class Guard<Lockable *>
|
|
: public Guard<Lockable>
|
|
{
|
|
Guard(Lockable *pLock)
|
|
: Guard<Lockable>(*pLock)
|
|
{};
|
|
|
|
~Guard()
|
|
{};
|
|
};
|
|
|
|
|
|
#endif // SLBCSP_GUARD_H
|