www.pudn.com > PK1111.rar > ipc.h

#ifndef MY_IPC_H  
#define MY_IPC_H 
 
#define MsgCreateFail 	-1301 
#define MsgOpenFail 	-1302 
#define MsgStateFail 	-1303 
#define MsgMesgLenBad 	-1304 
#define MsgSendFail  	-1305 
#define MsgRecvFail  	-1306 
#define MsgRemoveFail 	-1307 
#define MsgTimeOut   	-1308 
#define MsgOK   		0 
 
#define SemCreateFail 	-1321 
#define SemOpenFail 	-1322 
#define SemSetValFail 	-1323 
#define SemLockFail 	-1324 
#define SemUnlockFail 	-1325 
#define SemRemoveFail 	-1326 
 
#define ShmCreateFail 	-1331 
#define ShmOpenFail 	-1332 
#define ShmRemoveFail 	-1333 
#define ShmConnectFail 	-1334 
#define ShmDisConnectF 	-1335 
 
#define MaxMesgLen 1024 
 
#define QPERM	0666 
 
typedef struct { 
  long MesgId; 
  char MesgText[MaxMesgLen+1]; 
} Mesg; 
 
int msgCreate(key_t key); 
int msgOpen(key_t key);  
int msgSend(int Msgfd,long  MsgId,char *MsgText,int MsgTextLen); 
int msgRecv(int Msgfd,long *MsgId,char *MsgText,int MsgTextLen); 
int msgRemove(int Msgfd); 
int msgStatus(int Msgfd); 
 
int semCreate(key_t key); 
int semOpen(key_t key); 
int semLock(int iSemId); 
int semUnlock(int iSemId); 
int semRemove(int iSemId); 
int semGetVal(int iSemId); 
int semSetVal(int iSemId,int val); 
 
int shmCreate(key_t key,int size); 
int shmOpen(key_t key,int size);  
int shmRemove(int iShmId); 
char *shmConnect(int iShmId); 
int shmDisConnect(char *addr); 
 
#endif