Bad File Descriptor Error In C
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here for a quick overview of the site Help Center Detailed answers to any bad file descriptor c socket questions you might have Meta Discuss the workings and policies bad file descriptor python of this site About Us Learn more about Stack Overflow the company Business Learn more about bad file descriptor golang hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow bad file descriptor mac is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Bad File Descriptor with Linux Socket write() Bad File Descriptor C up vote -1 down vote favorite I have an interesting problem with write(2) function. PrepareResponseForSetCoordinates function causes bad file
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descriptor error on write. Here is the line of error: perror("ERROR writing to socket"); total output: ERROR writing to socket: Bad file descriptor I am sure that I have established the connection because PrepareResponseForConnectionTest works like a charm. Can you have any idea about the reason of the error? When I use gcc as compiler there was no problem. After that because of using multiple new cpp sources I am using g++ as compiler and I have this error. Regards Here below my code: #define MAX_PMS_MESSAGE_LEN (4096) unsigned char baCommBuffer[MAX_PMS_MESSAGE_LEN]; unsigned char PrepareResponseForSetCoordinates(void) { unsigned char baTempBuff[255]={0}; unsigned short bCnt=0,i=0,bCsum=0,bCnt2=0; time_t lEpochTime; time_t lSessionTime; memset(baTempBuff,0,sizeof(baTempBuff)); memset(baCommBuffer,0,sizeof(baCommBuffer)); bzero(baCommBuffer,MAX_PMS_MESSAGE_LEN); bzero(baTempBuff,sizeof(baTempBuff)); lEpochTime = time(NULL); baCommBuffer[bCnt++] = START_CHAR; baCommBuffer[bCnt++] = START_CHAR; baCommBuffer[bCnt++] = PACKET_SEPERATOR; sprintf((char*)baTempBuff,"%ld",(unsigned long)lEpochTime); memcpy(baCommBuffer+bCnt,baTempBuff,10); bzero(baTempBuff,sizeof(baTempBuff)); bCnt+=10; baCommBuffer[bCnt++] = PACKET_SEPERATOR; // lSessionTime = time(NULL); if(SPMSMessage.lSessionID) lSessionTime = SPMSMessage.lSessionID; else lSessionTime=lEpochTime; sprintf((char*)baTempBuff,"%ld",(unsigned long)lSessionTime); memcpy(baCommBuffer+bCnt,baTempBuff,10); bzero(baTempBuff,sizeof(baTempBuff)); bCnt+=10; baCommBuffer[bCnt++] = PACKET_SEPERATOR; baCommBuffer[bCnt++] = PMC_ID; baCommBuffer[bCnt++] = PACKET_SEPERATOR; baCommBuffer[bCnt++] =
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Discuss the workings and policies of this site About Us Learn more how to fix bad file descriptor about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack bad file descriptor linux Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, http://stackoverflow.com/questions/11258781/bad-file-descriptor-with-linux-socket-write-bad-file-descriptor-c helping each other. Join them; it only takes a minute: Sign up Linux Socket Bad file Descriptor up vote 0 down vote favorite Ok,i couldn’t find if this is a duplicate or no, so i decided to post. We're getting into Sockets (beginner level sockets) now and i had be given this code to make the client send http://stackoverflow.com/questions/29400649/linux-socket-bad-file-descriptor a simple message to the server by using send() and recv(). However, everything i tried doesn’t seem to get rid of the "error: Bad File Descriptor" and newsockfd always returns the value -1. Im just confused and have no idea why it doesn’t work. I've been given 3 files. defs.h #include
sockets, http://www.cplusplus.com/forum/general/35395/ implementing a client-server communication. In the client after the connect () call runs a loop that executes 10 iterations, each https://curl.haxx.se/mail/lib-2009-11/0169.html iteration sends a message to the server and waits for a response. The server with the select() waits for bad file connections, once received the message from the client sends a response. At the first iteration is all ok, at the second the server gives me a bad file descriptor error when it executes the select again, I can not bad file descriptor deal with it, can anyone help? Thanks! Place the server code: 1
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management software, Issue tracking software, Online notepad, Web publishing software Sponsors: Haxx cURL Mailing List Monthly Index Single Mail curl-library Archives Re: select() returned with errno = 9 (EBADF), msg = Bad file descriptor This message: [ Message body ] [ More options ] Related messages: [ Next message ] [ Previous message ] [ In reply to ] [ Next in thread ] [ Replies ] From: Jamie Lokier