semaphores.h

Go to the documentation of this file.

#ifndef __SEMAPHORES_H_
#define __SEMAPHORES_H_

#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <errno.h>
#include <unistd.h>
#include <sys/sem.h>
#include <sys/ipc.h>
#include <fcntl.h>

#ifdef __cplusplus
extern "C" {
#endif

#define MAX_SEMFILENAME_SIZE 128

    typedef struct semaphore {
            char semFile[MAX_SEMFILENAME_SIZE];
            int semID;
            key_t semKey;
    } semaphore_t;

    int createKey(key_t *, char[]);

    int getSemID(key_t, int * semID);

    int rmSem(int semID);

    int waitSem(int semID);

    int freeSem(int semID);

#ifdef __cplusplus
}
#endif

#endif