Classes/Semaphore/Semaphore.h

#ifndef __Semaphore_h
#define __Semaphore_h


#ifdef linux

#include <iostream.h>
/*
#include <unistd.h>                     //sleep
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>                     //exit
*/
#include <errno.h>
        
#include <sys/ipc.h>                    //ftok()
#include <sys/types.h>                  //key ???
#include <sys/sem.h>                    //semget

#endif

class Semaphore
{
        public:
        
                Semaphore();
                Semaphore(char* path, char id, unsigned int permissions);
                ~Semaphore();
                int create();
                void attach(char* path, char id, unsigned int permissions);
                int destroy();
                void wait();
                void signal();
                int semset(int i);      
        
        private:
                
                union semun 
                {
                        int val;                    //value for SETVAL                  
                        struct semid_ds *buf;       //buffer for IPC_STAT, IPC_SET 
                        unsigned short int *array;  //array for GETALL, SETALL 
                        struct seminfo *__buf;      //buffer for IPC_INFO 
        };

                int needs_attach;
                int semid;
                int proc_id;

                semun arg;
};

#endif
1	bearsoft	1.1	#ifndef __Semaphore_h
2			#define __Semaphore_h
3
4
5			#ifdef linux
6
7			#include <iostream.h>
8			/*
9			#include <unistd.h> //sleep
10			#include <signal.h>
11			#include <stdio.h>
12			#include <stdlib.h> //exit
13			*/
14			#include <errno.h>
15
16			#include <sys/ipc.h> //ftok()
17			#include <sys/types.h> //key ???
18			#include <sys/sem.h> //semget
19
20			#endif
21
22			class Semaphore
23			{
24			public:
25
26			Semaphore();
27			Semaphore(char* path, char id, unsigned int permissions);
28			~Semaphore();
29			int create();
30			void attach(char* path, char id, unsigned int permissions);
31			int destroy();
32			void wait();
33			void signal();
34			int semset(int i);
35
36			private:
37
38			union semun
39			{
40			int val; //value for SETVAL
41			struct semid_ds *buf; //buffer for IPC_STAT, IPC_SET
42			unsigned short int *array; //array for GETALL, SETALL
43			struct seminfo *__buf; //buffer for IPC_INFO
44			};
45
46			int needs_attach;
47			int semid;
48			int proc_id;
49
50			semun arg;
51			};
52
53			#endif