消息队列发送函数报错，错误码为22。谢谢回答

2012-09-03 10:20:22 1k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

用LangChain搭建私有化Slack文档助手：RAG实战指南 RAG（检索增强生成）是一种将大语言模型与私有知识库结合的关键技术，通过向量检索+精准生成，解决AI幻觉与数据不可信问题。其核心在于文档切片、嵌入建模、向量存储与提示工程的协同优化，技术价值体现在可溯源、低延迟、免微调的企业级落地能力。典型应用场景包括内部Slack智能问答、Confluence/Nition知识检索、PDF合同条款定位等。本文基于LangChain框架，详解如何构建数据主权可控、回答带原文引用、原生集成Slack的私有RAG系统，覆盖Chroma向量库配置、sentence-transfo 阅读详情

#include <netinet/in.h>
#include <sys/types.h>
#include <netdb.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/msg.h>
#include <sys/ipc.h>

struct stClient
{
int iConCounter; /*连接次数*/
int iConId; /*客户端创建ID号*/
int iStatistics; /*服务端接收的次数，做为映射关系标识*/
};

/*消息队列结构体*/
struct stMsgs
{
long mtype;
struct stClient stMsg;
};

/*创建消息队列*/
int msgcreat (int iKey)
{
int iMsgid = 0;

printf("消息队列中获取的KEY值为%d\n", iKey);

/*创建消息队列*/
iMsgid = msgget (iKey, 0666 | IPC_CREAT);/*创建消息队列*/
if (iMsgid <0)
{
printf("创建消息对列错误，错误码为%d", errno);
return -1;
}

printf("创建消息队列成功，消息队列描述符为%d", iMsgid);

return 0;

}

/*消息对列关键字获取函数*/
int msggain()
{
int iMsgid;
int iKey;

iKey = 4321; /*获取Key值*/
iMsgid = msgget (iKey, 0666 | IPC_CREAT); /*打开消息队列*/

if (iMsgid < 0)
{
printf("打开消息队列错误，错误码为%d", errno);
return -1;
}

printf("打开消息队列成功，消息队列描述符为%d", iMsgid);

return iMsgid;
}

msgsnd: Invalid or incomplete multibyte or wide character
错误码为22

/*发送消息队列函数*/
int msgsend (int iMsgid, struct stMsgs *stMsgSend)
{
int iRet;

/*发送消息*/
while(1) /*只发送一次，成功就跳出循环*/
{
iRet = msgsnd (iMsgid, stMsgSend, sizeof((*stMsgSend).stMsg), 0);
if(iRet < 0)
{
if(errno == EINTR)
{
printf("信号中段发送错误");
continue;
}
else
{
printf("消息队列ID号为%d,发送数据为%d %d %d", iMsgid, (*stMsgSend).stMsg.iConCounter,
(*stMsgSend).stMsg.iConId, (*stMsgSend).stMsg.iStatistics);

printf("消息队列发送系统错误,错误码为%d", errno);
perror("msgsnd");

return -1;
}
}

break;/*发送成功跳出循环*/
}
printf("消息队列发送成功");
return 0;
}

/*接收消息队列函数*/
int msgreceive (int iMsgid)
{
int iRet;
struct stClient stReceive;

while (1) /*将消息队列中所有消息输出*/
{

iRet = msgrcv(iMsgid, &stReceive, sizeof(stReceive), 0, 0);
if(iRet < 0)
{
if (errno == EINTR)
{
printf("信号中段接收错误");
continue;
}
else
{
printf("消息队列系统错误接收失败，错误码为%d", errno);
return -1;
}
}

/*将消息队列接收数据输出*/
printf("与共享内存的映射关系为%d\n", stReceive.iStatistics);
printf("客户端连接次数为%d\n", stReceive.iConCounter);
printf("客户端的socket描述字为%d\n", stReceive.iConId);
}

return 0;
}

int main()
{
int iKey;
int iMsgId;
struct stMsgs stMsgSend;

memset(&stMsgSend, 0x0, sizeof(stMsgSend));

stMsgSend.mtype = msggain();
stMsgSend.stMsg.iConCounter = 2;
stMsgSend.stMsg.iConId = 1;
stMsgSend.stMsg.iStatistics = 10;

msgcreat(4321);
iMsgId = msggain();
msgsend (iMsgId, &stMsgSend);
msgreceive(iMsgId);

return 0;
}

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