Es++ Class: KeyedSemaphore
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Source code
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* KeyedSemaphore.h
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*****************************************************************************/
#pragma once
#include <es++/Object.h>
#include <es++/Exception.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <es++/Semaphore.h>
namespace Es {
class KeyedSemaphore :public Semaphore {
public:
KeyedSemaphore()
:Semaphore()
{
}
public:
KeyedSemaphore(key_t key, int num=1, int semflg=(DEFAULT_PERMISSION|IPC_CREAT) )
:Semaphore(key, num, semflg)
{
}
public:
/*For example, ftok can be used to generate a key to be passed to the first
argument of this Contstructor.
key_t key = ftok(fullpath, id);
KeyedSemaphore(key);
*/
int create(key_t key, int num=1, int semflg=(DEFAULT_PERMISSION|IPC_CREAT) )
{
return Semaphore::create(key, num, semflg);
}
public:
~KeyedSemaphore()
{
}
};
}
Last modified: 27 July 2017
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