C源码:四种UNIX消息队列操作函数(对应.C的头文件) |
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| 来源:本文出自:http://mly363.363.net 作者: (2001-08-22 16:35:15) |
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/*
UNIXMSG.H --- Functions for Unix messages process
M.L.Y 1999.12.13
MODIFIED (YYYY.MM.DD)
M.L.Y 1999.12.13 - Creation
M.L.Y 2000.07.27 - Change for HP-UX, add msgq_rmid()
*/
#ifndef UNIXMSG_H_INCLUDE
# define UNIXMSG_H_INCLUDE
#include "CMNDEF.H"
#include <stdio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/stat.h>
#include < sys/types.h >
/* #define MSGPERMS 0666 */
#define MSGPERMS 0660 /* rw-rw---- */
#define MAX_MSGQ_SIZE 1024
typedef struct
{
long type;
USGC buf[MAX_MSGQ_SIZE];
} MsgQueue;
extern MsgQueue MsgQ;
int openmsg(long MsgKey);
int msgq_rmid(int MsgId);
int rcvmsg_nowait(long MsgKey, USGC *Buff, long *MsgType);
int rcvmsg_type_nowait(long MsgKey, USGC *Buff, long MsgType);
int rcvmsg_wait(long MsgKey, USGC *Buff);
int rcvmsg_type(long MsgKey, USGC *Buff, long *MsgType);
int sndmsg(long MsgKey, USGC *Buff, int MsgLen);
int sndmsg_type(long MsgKey, USGC *Buff, long MsgType, int MsgLen);
int delmsg(long MsgKey);
#endif /* UNIXMSG_H_INCLUDE */
/* End of file */
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