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/*************************************************
* No-Op Mutex Factory Source File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#include <botan/mux_noop.h>
namespace Botan {
/*************************************************
* No-Op Mutex Factory *
*************************************************/
Mutex* Noop_Mutex_Factory::make()
{
class Noop_Mutex : public Mutex
{
public:
class Mutex_State_Error : public Internal_Error
{
public:
Mutex_State_Error(const std::string& where) :
Internal_Error("Noop_Mutex::" + where + ": " +
"Mutex is already " + where + "ed") {}
};
void lock()
{
if(locked)
throw Mutex_State_Error("lock");
locked = true;
}
void unlock()
{
if(!locked)
throw Mutex_State_Error("unlock");
locked = false;
}
Noop_Mutex() { locked = false; }
private:
bool locked;
};
return new Noop_Mutex;
}
}
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